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fix: trash

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This commit is contained in:
Guillem George 2025-11-28 18:56:50 +01:00
parent 3a320421a9
commit 24262bffe7
262 changed files with 0 additions and 85450 deletions
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1
httpd/env/bin/python vendored
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python3

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httpd/env/bin/python3 vendored
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/nix/store/bbyp6vkdszn6a14gqnfx8l5j3mhfcnfs-python3-3.12.11/bin/python3

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httpd/env/bin/python3.12 vendored
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python3

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httpd/env/lib/python3.12/site-packages/pip/__init__.py vendored
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from typing import List, Optional
__version__ = "25.0.1"
def main(args: Optional[List[str]] = None) -> int:
"""This is an internal API only meant for use by pip's own console scripts.
For additional details, see https://github.com/pypa/pip/issues/7498.
"""
from pip._internal.utils.entrypoints import _wrapper
return _wrapper(args)

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httpd/env/lib/python3.12/site-packages/pip/__main__.py vendored
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import os
import sys
# Remove '' and current working directory from the first entry
# of sys.path, if present to avoid using current directory
# in pip commands check, freeze, install, list and show,
# when invoked as python -m pip <command>
if sys.path[0] in ("", os.getcwd()):
sys.path.pop(0)
# If we are running from a wheel, add the wheel to sys.path
# This allows the usage python pip-*.whl/pip install pip-*.whl
if __package__ == "":
# __file__ is pip-*.whl/pip/__main__.py
# first dirname call strips of '/__main__.py', second strips off '/pip'
# Resulting path is the name of the wheel itself
# Add that to sys.path so we can import pip
path = os.path.dirname(os.path.dirname(__file__))
sys.path.insert(0, path)
if __name__ == "__main__":
from pip._internal.cli.main import main as _main
sys.exit(_main())

50
httpd/env/lib/python3.12/site-packages/pip/__pip-runner__.py vendored
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"""Execute exactly this copy of pip, within a different environment.
This file is named as it is, to ensure that this module can't be imported via
an import statement.
"""
# /!\ This version compatibility check section must be Python 2 compatible. /!\
import sys
# Copied from pyproject.toml
PYTHON_REQUIRES = (3, 8)
def version_str(version): # type: ignore
return ".".join(str(v) for v in version)
if sys.version_info[:2] < PYTHON_REQUIRES:
raise SystemExit(
"This version of pip does not support python {} (requires >={}).".format(
version_str(sys.version_info[:2]), version_str(PYTHON_REQUIRES)
)
)
# From here on, we can use Python 3 features, but the syntax must remain
# Python 2 compatible.
import runpy # noqa: E402
from importlib.machinery import PathFinder # noqa: E402
from os.path import dirname # noqa: E402
PIP_SOURCES_ROOT = dirname(dirname(__file__))
class PipImportRedirectingFinder:
@classmethod
def find_spec(self, fullname, path=None, target=None): # type: ignore
if fullname != "pip":
return None
spec = PathFinder.find_spec(fullname, [PIP_SOURCES_ROOT], target)
assert spec, (PIP_SOURCES_ROOT, fullname)
return spec
sys.meta_path.insert(0, PipImportRedirectingFinder())
assert __name__ == "__main__", "Cannot run __pip-runner__.py as a non-main module"
runpy.run_module("pip", run_name="__main__", alter_sys=True)

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httpd/env/lib/python3.12/site-packages/pip/_internal/__init__.py vendored
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from typing import List, Optional
from pip._internal.utils import _log
# init_logging() must be called before any call to logging.getLogger()
# which happens at import of most modules.
_log.init_logging()
def main(args: Optional[List[str]] = None) -> int:
"""This is preserved for old console scripts that may still be referencing
it.
For additional details, see https://github.com/pypa/pip/issues/7498.
"""
from pip._internal.utils.entrypoints import _wrapper
return _wrapper(args)

322
httpd/env/lib/python3.12/site-packages/pip/_internal/build_env.py vendored
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"""Build Environment used for isolation during sdist building
"""
import logging
import os
import pathlib
import site
import sys
import textwrap
from collections import OrderedDict
from types import TracebackType
from typing import TYPE_CHECKING, Iterable, List, Optional, Set, Tuple, Type, Union
from pip._vendor.packaging.version import Version
from pip import __file__ as pip_location
from pip._internal.cli.spinners import open_spinner
from pip._internal.locations import get_platlib, get_purelib, get_scheme
from pip._internal.metadata import get_default_environment, get_environment
from pip._internal.utils.logging import VERBOSE
from pip._internal.utils.packaging import get_requirement
from pip._internal.utils.subprocess import call_subprocess
from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
if TYPE_CHECKING:
from pip._internal.index.package_finder import PackageFinder
logger = logging.getLogger(__name__)
def _dedup(a: str, b: str) -> Union[Tuple[str], Tuple[str, str]]:
return (a, b) if a != b else (a,)
class _Prefix:
def __init__(self, path: str) -> None:
self.path = path
self.setup = False
scheme = get_scheme("", prefix=path)
self.bin_dir = scheme.scripts
self.lib_dirs = _dedup(scheme.purelib, scheme.platlib)
def get_runnable_pip() -> str:
"""Get a file to pass to a Python executable, to run the currently-running pip.
This is used to run a pip subprocess, for installing requirements into the build
environment.
"""
source = pathlib.Path(pip_location).resolve().parent
if not source.is_dir():
# This would happen if someone is using pip from inside a zip file. In that
# case, we can use that directly.
return str(source)
return os.fsdecode(source / "__pip-runner__.py")
def _get_system_sitepackages() -> Set[str]:
"""Get system site packages
Usually from site.getsitepackages,
but fallback on `get_purelib()/get_platlib()` if unavailable
(e.g. in a virtualenv created by virtualenv<20)
Returns normalized set of strings.
"""
if hasattr(site, "getsitepackages"):
system_sites = site.getsitepackages()
else:
# virtualenv < 20 overwrites site.py without getsitepackages
# fallback on get_purelib/get_platlib.
# this is known to miss things, but shouldn't in the cases
# where getsitepackages() has been removed (inside a virtualenv)
system_sites = [get_purelib(), get_platlib()]
return {os.path.normcase(path) for path in system_sites}
class BuildEnvironment:
"""Creates and manages an isolated environment to install build deps"""
def __init__(self) -> None:
temp_dir = TempDirectory(kind=tempdir_kinds.BUILD_ENV, globally_managed=True)
self._prefixes = OrderedDict(
(name, _Prefix(os.path.join(temp_dir.path, name)))
for name in ("normal", "overlay")
)
self._bin_dirs: List[str] = []
self._lib_dirs: List[str] = []
for prefix in reversed(list(self._prefixes.values())):
self._bin_dirs.append(prefix.bin_dir)
self._lib_dirs.extend(prefix.lib_dirs)
# Customize site to:
# - ensure .pth files are honored
# - prevent access to system site packages
system_sites = _get_system_sitepackages()
self._site_dir = os.path.join(temp_dir.path, "site")
if not os.path.exists(self._site_dir):
os.mkdir(self._site_dir)
with open(
os.path.join(self._site_dir, "sitecustomize.py"), "w", encoding="utf-8"
) as fp:
fp.write(
textwrap.dedent(
"""
import os, site, sys
# First, drop system-sites related paths.
original_sys_path = sys.path[:]
known_paths = set()
for path in {system_sites!r}:
site.addsitedir(path, known_paths=known_paths)
system_paths = set(
os.path.normcase(path)
for path in sys.path[len(original_sys_path):]
)
original_sys_path = [
path for path in original_sys_path
if os.path.normcase(path) not in system_paths
]
sys.path = original_sys_path
# Second, add lib directories.
# ensuring .pth file are processed.
for path in {lib_dirs!r}:
assert not path in sys.path
site.addsitedir(path)
"""
).format(system_sites=system_sites, lib_dirs=self._lib_dirs)
)
def __enter__(self) -> None:
self._save_env = {
name: os.environ.get(name, None)
for name in ("PATH", "PYTHONNOUSERSITE", "PYTHONPATH")
}
path = self._bin_dirs[:]
old_path = self._save_env["PATH"]
if old_path:
path.extend(old_path.split(os.pathsep))
pythonpath = [self._site_dir]
os.environ.update(
{
"PATH": os.pathsep.join(path),
"PYTHONNOUSERSITE": "1",
"PYTHONPATH": os.pathsep.join(pythonpath),
}
)
def __exit__(
self,
exc_type: Optional[Type[BaseException]],
exc_val: Optional[BaseException],
exc_tb: Optional[TracebackType],
) -> None:
for varname, old_value in self._save_env.items():
if old_value is None:
os.environ.pop(varname, None)
else:
os.environ[varname] = old_value
def check_requirements(
self, reqs: Iterable[str]
) -> Tuple[Set[Tuple[str, str]], Set[str]]:
"""Return 2 sets:
- conflicting requirements: set of (installed, wanted) reqs tuples
- missing requirements: set of reqs
"""
missing = set()
conflicting = set()
if reqs:
env = (
get_environment(self._lib_dirs)
if hasattr(self, "_lib_dirs")
else get_default_environment()
)
for req_str in reqs:
req = get_requirement(req_str)
# We're explicitly evaluating with an empty extra value, since build
# environments are not provided any mechanism to select specific extras.
if req.marker is not None and not req.marker.evaluate({"extra": ""}):
continue
dist = env.get_distribution(req.name)
if not dist:
missing.add(req_str)
continue
if isinstance(dist.version, Version):
installed_req_str = f"{req.name}=={dist.version}"
else:
installed_req_str = f"{req.name}==={dist.version}"
if not req.specifier.contains(dist.version, prereleases=True):
conflicting.add((installed_req_str, req_str))
# FIXME: Consider direct URL?
return conflicting, missing
def install_requirements(
self,
finder: "PackageFinder",
requirements: Iterable[str],
prefix_as_string: str,
*,
kind: str,
) -> None:
prefix = self._prefixes[prefix_as_string]
assert not prefix.setup
prefix.setup = True
if not requirements:
return
self._install_requirements(
get_runnable_pip(),
finder,
requirements,
prefix,
kind=kind,
)
@staticmethod
def _install_requirements(
pip_runnable: str,
finder: "PackageFinder",
requirements: Iterable[str],
prefix: _Prefix,
*,
kind: str,
) -> None:
args: List[str] = [
sys.executable,
pip_runnable,
"install",
"--ignore-installed",
"--no-user",
"--prefix",
prefix.path,
"--no-warn-script-location",
"--disable-pip-version-check",
# The prefix specified two lines above, thus
# target from config file or env var should be ignored
"--target",
"",
]
if logger.getEffectiveLevel() <= logging.DEBUG:
args.append("-vv")
elif logger.getEffectiveLevel() <= VERBOSE:
args.append("-v")
for format_control in ("no_binary", "only_binary"):
formats = getattr(finder.format_control, format_control)
args.extend(
(
"--" + format_control.replace("_", "-"),
",".join(sorted(formats or {":none:"})),
)
)
index_urls = finder.index_urls
if index_urls:
args.extend(["-i", index_urls[0]])
for extra_index in index_urls[1:]:
args.extend(["--extra-index-url", extra_index])
else:
args.append("--no-index")
for link in finder.find_links:
args.extend(["--find-links", link])
if finder.proxy:
args.extend(["--proxy", finder.proxy])
for host in finder.trusted_hosts:
args.extend(["--trusted-host", host])
if finder.custom_cert:
args.extend(["--cert", finder.custom_cert])
if finder.client_cert:
args.extend(["--client-cert", finder.client_cert])
if finder.allow_all_prereleases:
args.append("--pre")
if finder.prefer_binary:
args.append("--prefer-binary")
args.append("--")
args.extend(requirements)
with open_spinner(f"Installing {kind}") as spinner:
call_subprocess(
args,
command_desc=f"pip subprocess to install {kind}",
spinner=spinner,
)
class NoOpBuildEnvironment(BuildEnvironment):
"""A no-op drop-in replacement for BuildEnvironment"""
def __init__(self) -> None:
pass
def __enter__(self) -> None:
pass
def __exit__(
self,
exc_type: Optional[Type[BaseException]],
exc_val: Optional[BaseException],
exc_tb: Optional[TracebackType],
) -> None:
pass
def cleanup(self) -> None:
pass
def install_requirements(
self,
finder: "PackageFinder",
requirements: Iterable[str],
prefix_as_string: str,
*,
kind: str,
) -> None:
raise NotImplementedError()

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httpd/env/lib/python3.12/site-packages/pip/_internal/cache.py vendored
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"""Cache Management
"""
import hashlib
import json
import logging
import os
from pathlib import Path
from typing import Any, Dict, List, Optional
from pip._vendor.packaging.tags import Tag, interpreter_name, interpreter_version
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.exceptions import InvalidWheelFilename
from pip._internal.models.direct_url import DirectUrl
from pip._internal.models.link import Link
from pip._internal.models.wheel import Wheel
from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
from pip._internal.utils.urls import path_to_url
logger = logging.getLogger(__name__)
ORIGIN_JSON_NAME = "origin.json"
def _hash_dict(d: Dict[str, str]) -> str:
"""Return a stable sha224 of a dictionary."""
s = json.dumps(d, sort_keys=True, separators=(",", ":"), ensure_ascii=True)
return hashlib.sha224(s.encode("ascii")).hexdigest()
class Cache:
"""An abstract class - provides cache directories for data from links
:param cache_dir: The root of the cache.
"""
def __init__(self, cache_dir: str) -> None:
super().__init__()
assert not cache_dir or os.path.isabs(cache_dir)
self.cache_dir = cache_dir or None
def _get_cache_path_parts(self, link: Link) -> List[str]:
"""Get parts of part that must be os.path.joined with cache_dir"""
# We want to generate an url to use as our cache key, we don't want to
# just reuse the URL because it might have other items in the fragment
# and we don't care about those.
key_parts = {"url": link.url_without_fragment}
if link.hash_name is not None and link.hash is not None:
key_parts[link.hash_name] = link.hash
if link.subdirectory_fragment:
key_parts["subdirectory"] = link.subdirectory_fragment
# Include interpreter name, major and minor version in cache key
# to cope with ill-behaved sdists that build a different wheel
# depending on the python version their setup.py is being run on,
# and don't encode the difference in compatibility tags.
# https://github.com/pypa/pip/issues/7296
key_parts["interpreter_name"] = interpreter_name()
key_parts["interpreter_version"] = interpreter_version()
# Encode our key url with sha224, we'll use this because it has similar
# security properties to sha256, but with a shorter total output (and
# thus less secure). However the differences don't make a lot of
# difference for our use case here.
hashed = _hash_dict(key_parts)
# We want to nest the directories some to prevent having a ton of top
# level directories where we might run out of sub directories on some
# FS.
parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]]
return parts
def _get_candidates(self, link: Link, canonical_package_name: str) -> List[Any]:
can_not_cache = not self.cache_dir or not canonical_package_name or not link
if can_not_cache:
return []
path = self.get_path_for_link(link)
if os.path.isdir(path):
return [(candidate, path) for candidate in os.listdir(path)]
return []
def get_path_for_link(self, link: Link) -> str:
"""Return a directory to store cached items in for link."""
raise NotImplementedError()
def get(
self,
link: Link,
package_name: Optional[str],
supported_tags: List[Tag],
) -> Link:
"""Returns a link to a cached item if it exists, otherwise returns the
passed link.
"""
raise NotImplementedError()
class SimpleWheelCache(Cache):
"""A cache of wheels for future installs."""
def __init__(self, cache_dir: str) -> None:
super().__init__(cache_dir)
def get_path_for_link(self, link: Link) -> str:
"""Return a directory to store cached wheels for link
Because there are M wheels for any one sdist, we provide a directory
to cache them in, and then consult that directory when looking up
cache hits.
We only insert things into the cache if they have plausible version
numbers, so that we don't contaminate the cache with things that were
not unique. E.g. ./package might have dozens of installs done for it
and build a version of 0.0...and if we built and cached a wheel, we'd
end up using the same wheel even if the source has been edited.
:param link: The link of the sdist for which this will cache wheels.
"""
parts = self._get_cache_path_parts(link)
assert self.cache_dir
# Store wheels within the root cache_dir
return os.path.join(self.cache_dir, "wheels", *parts)
def get(
self,
link: Link,
package_name: Optional[str],
supported_tags: List[Tag],
) -> Link:
candidates = []
if not package_name:
return link
canonical_package_name = canonicalize_name(package_name)
for wheel_name, wheel_dir in self._get_candidates(link, canonical_package_name):
try:
wheel = Wheel(wheel_name)
except InvalidWheelFilename:
continue
if canonicalize_name(wheel.name) != canonical_package_name:
logger.debug(
"Ignoring cached wheel %s for %s as it "
"does not match the expected distribution name %s.",
wheel_name,
link,
package_name,
)
continue
if not wheel.supported(supported_tags):
# Built for a different python/arch/etc
continue
candidates.append(
(
wheel.support_index_min(supported_tags),
wheel_name,
wheel_dir,
)
)
if not candidates:
return link
_, wheel_name, wheel_dir = min(candidates)
return Link(path_to_url(os.path.join(wheel_dir, wheel_name)))
class EphemWheelCache(SimpleWheelCache):
"""A SimpleWheelCache that creates it's own temporary cache directory"""
def __init__(self) -> None:
self._temp_dir = TempDirectory(
kind=tempdir_kinds.EPHEM_WHEEL_CACHE,
globally_managed=True,
)
super().__init__(self._temp_dir.path)
class CacheEntry:
def __init__(
self,
link: Link,
persistent: bool,
):
self.link = link
self.persistent = persistent
self.origin: Optional[DirectUrl] = None
origin_direct_url_path = Path(self.link.file_path).parent / ORIGIN_JSON_NAME
if origin_direct_url_path.exists():
try:
self.origin = DirectUrl.from_json(
origin_direct_url_path.read_text(encoding="utf-8")
)
except Exception as e:
logger.warning(
"Ignoring invalid cache entry origin file %s for %s (%s)",
origin_direct_url_path,
link.filename,
e,
)
class WheelCache(Cache):
"""Wraps EphemWheelCache and SimpleWheelCache into a single Cache
This Cache allows for gracefully degradation, using the ephem wheel cache
when a certain link is not found in the simple wheel cache first.
"""
def __init__(self, cache_dir: str) -> None:
super().__init__(cache_dir)
self._wheel_cache = SimpleWheelCache(cache_dir)
self._ephem_cache = EphemWheelCache()
def get_path_for_link(self, link: Link) -> str:
return self._wheel_cache.get_path_for_link(link)
def get_ephem_path_for_link(self, link: Link) -> str:
return self._ephem_cache.get_path_for_link(link)
def get(
self,
link: Link,
package_name: Optional[str],
supported_tags: List[Tag],
) -> Link:
cache_entry = self.get_cache_entry(link, package_name, supported_tags)
if cache_entry is None:
return link
return cache_entry.link
def get_cache_entry(
self,
link: Link,
package_name: Optional[str],
supported_tags: List[Tag],
) -> Optional[CacheEntry]:
"""Returns a CacheEntry with a link to a cached item if it exists or
None. The cache entry indicates if the item was found in the persistent
or ephemeral cache.
"""
retval = self._wheel_cache.get(
link=link,
package_name=package_name,
supported_tags=supported_tags,
)
if retval is not link:
return CacheEntry(retval, persistent=True)
retval = self._ephem_cache.get(
link=link,
package_name=package_name,
supported_tags=supported_tags,
)
if retval is not link:
return CacheEntry(retval, persistent=False)
return None
@staticmethod
def record_download_origin(cache_dir: str, download_info: DirectUrl) -> None:
origin_path = Path(cache_dir) / ORIGIN_JSON_NAME
if origin_path.exists():
try:
origin = DirectUrl.from_json(origin_path.read_text(encoding="utf-8"))
except Exception as e:
logger.warning(
"Could not read origin file %s in cache entry (%s). "
"Will attempt to overwrite it.",
origin_path,
e,
)
else:
# TODO: use DirectUrl.equivalent when
# https://github.com/pypa/pip/pull/10564 is merged.
if origin.url != download_info.url:
logger.warning(
"Origin URL %s in cache entry %s does not match download URL "
"%s. This is likely a pip bug or a cache corruption issue. "
"Will overwrite it with the new value.",
origin.url,
cache_dir,
download_info.url,
)
origin_path.write_text(download_info.to_json(), encoding="utf-8")

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httpd/env/lib/python3.12/site-packages/pip/_internal/cli/__init__.py vendored
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"""Subpackage containing all of pip's command line interface related code
"""
# This file intentionally does not import submodules

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httpd/env/lib/python3.12/site-packages/pip/_internal/cli/autocompletion.py vendored
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"""Logic that powers autocompletion installed by ``pip completion``.
"""
import optparse
import os
import sys
from itertools import chain
from typing import Any, Iterable, List, Optional
from pip._internal.cli.main_parser import create_main_parser
from pip._internal.commands import commands_dict, create_command
from pip._internal.metadata import get_default_environment
def autocomplete() -> None:
"""Entry Point for completion of main and subcommand options."""
# Don't complete if user hasn't sourced bash_completion file.
if "PIP_AUTO_COMPLETE" not in os.environ:
return
# Don't complete if autocompletion environment variables
# are not present
if not os.environ.get("COMP_WORDS") or not os.environ.get("COMP_CWORD"):
return
cwords = os.environ["COMP_WORDS"].split()[1:]
cword = int(os.environ["COMP_CWORD"])
try:
current = cwords[cword - 1]
except IndexError:
current = ""
parser = create_main_parser()
subcommands = list(commands_dict)
options = []
# subcommand
subcommand_name: Optional[str] = None
for word in cwords:
if word in subcommands:
subcommand_name = word
break
# subcommand options
if subcommand_name is not None:
# special case: 'help' subcommand has no options
if subcommand_name == "help":
sys.exit(1)
# special case: list locally installed dists for show and uninstall
should_list_installed = not current.startswith("-") and subcommand_name in [
"show",
"uninstall",
]
if should_list_installed:
env = get_default_environment()
lc = current.lower()
installed = [
dist.canonical_name
for dist in env.iter_installed_distributions(local_only=True)
if dist.canonical_name.startswith(lc)
and dist.canonical_name not in cwords[1:]
]
# if there are no dists installed, fall back to option completion
if installed:
for dist in installed:
print(dist)
sys.exit(1)
should_list_installables = (
not current.startswith("-") and subcommand_name == "install"
)
if should_list_installables:
for path in auto_complete_paths(current, "path"):
print(path)
sys.exit(1)
subcommand = create_command(subcommand_name)
for opt in subcommand.parser.option_list_all:
if opt.help != optparse.SUPPRESS_HELP:
options += [
(opt_str, opt.nargs) for opt_str in opt._long_opts + opt._short_opts
]
# filter out previously specified options from available options
prev_opts = [x.split("=")[0] for x in cwords[1 : cword - 1]]
options = [(x, v) for (x, v) in options if x not in prev_opts]
# filter options by current input
options = [(k, v) for k, v in options if k.startswith(current)]
# get completion type given cwords and available subcommand options
completion_type = get_path_completion_type(
cwords,
cword,
subcommand.parser.option_list_all,
)
# get completion files and directories if ``completion_type`` is
# ``<file>``, ``<dir>`` or ``<path>``
if completion_type:
paths = auto_complete_paths(current, completion_type)
options = [(path, 0) for path in paths]
for option in options:
opt_label = option[0]
# append '=' to options which require args
if option[1] and option[0][:2] == "--":
opt_label += "="
print(opt_label)
else:
# show main parser options only when necessary
opts = [i.option_list for i in parser.option_groups]
opts.append(parser.option_list)
flattened_opts = chain.from_iterable(opts)
if current.startswith("-"):
for opt in flattened_opts:
if opt.help != optparse.SUPPRESS_HELP:
subcommands += opt._long_opts + opt._short_opts
else:
# get completion type given cwords and all available options
completion_type = get_path_completion_type(cwords, cword, flattened_opts)
if completion_type:
subcommands = list(auto_complete_paths(current, completion_type))
print(" ".join([x for x in subcommands if x.startswith(current)]))
sys.exit(1)
def get_path_completion_type(
cwords: List[str], cword: int, opts: Iterable[Any]
) -> Optional[str]:
"""Get the type of path completion (``file``, ``dir``, ``path`` or None)
:param cwords: same as the environmental variable ``COMP_WORDS``
:param cword: same as the environmental variable ``COMP_CWORD``
:param opts: The available options to check
:return: path completion type (``file``, ``dir``, ``path`` or None)
"""
if cword < 2 or not cwords[cword - 2].startswith("-"):
return None
for opt in opts:
if opt.help == optparse.SUPPRESS_HELP:
continue
for o in str(opt).split("/"):
if cwords[cword - 2].split("=")[0] == o:
if not opt.metavar or any(
x in ("path", "file", "dir") for x in opt.metavar.split("/")
):
return opt.metavar
return None
def auto_complete_paths(current: str, completion_type: str) -> Iterable[str]:
"""If ``completion_type`` is ``file`` or ``path``, list all regular files
and directories starting with ``current``; otherwise only list directories
starting with ``current``.
:param current: The word to be completed
:param completion_type: path completion type(``file``, ``path`` or ``dir``)
:return: A generator of regular files and/or directories
"""
directory, filename = os.path.split(current)
current_path = os.path.abspath(directory)
# Don't complete paths if they can't be accessed
if not os.access(current_path, os.R_OK):
return
filename = os.path.normcase(filename)
# list all files that start with ``filename``
file_list = (
x for x in os.listdir(current_path) if os.path.normcase(x).startswith(filename)
)
for f in file_list:
opt = os.path.join(current_path, f)
comp_file = os.path.normcase(os.path.join(directory, f))
# complete regular files when there is not ``<dir>`` after option
# complete directories when there is ``<file>``, ``<path>`` or
# ``<dir>``after option
if completion_type != "dir" and os.path.isfile(opt):
yield comp_file
elif os.path.isdir(opt):
yield os.path.join(comp_file, "")

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"""Base Command class, and related routines"""
import logging
import logging.config
import optparse
import os
import sys
import traceback
from optparse import Values
from typing import List, Optional, Tuple
from pip._vendor.rich import reconfigure
from pip._vendor.rich import traceback as rich_traceback
from pip._internal.cli import cmdoptions
from pip._internal.cli.command_context import CommandContextMixIn
from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
from pip._internal.cli.status_codes import (
ERROR,
PREVIOUS_BUILD_DIR_ERROR,
UNKNOWN_ERROR,
VIRTUALENV_NOT_FOUND,
)
from pip._internal.exceptions import (
BadCommand,
CommandError,
DiagnosticPipError,
InstallationError,
NetworkConnectionError,
PreviousBuildDirError,
)
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.filesystem import check_path_owner
from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
from pip._internal.utils.misc import get_prog, normalize_path
from pip._internal.utils.temp_dir import TempDirectoryTypeRegistry as TempDirRegistry
from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry
from pip._internal.utils.virtualenv import running_under_virtualenv
__all__ = ["Command"]
logger = logging.getLogger(__name__)
class Command(CommandContextMixIn):
usage: str = ""
ignore_require_venv: bool = False
def __init__(self, name: str, summary: str, isolated: bool = False) -> None:
super().__init__()
self.name = name
self.summary = summary
self.parser = ConfigOptionParser(
usage=self.usage,
prog=f"{get_prog()} {name}",
formatter=UpdatingDefaultsHelpFormatter(),
add_help_option=False,
name=name,
description=self.__doc__,
isolated=isolated,
)
self.tempdir_registry: Optional[TempDirRegistry] = None
# Commands should add options to this option group
optgroup_name = f"{self.name.capitalize()} Options"
self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
# Add the general options
gen_opts = cmdoptions.make_option_group(
cmdoptions.general_group,
self.parser,
)
self.parser.add_option_group(gen_opts)
self.add_options()
def add_options(self) -> None:
pass
def handle_pip_version_check(self, options: Values) -> None:
"""
This is a no-op so that commands by default do not do the pip version
check.
"""
# Make sure we do the pip version check if the index_group options
# are present.
assert not hasattr(options, "no_index")
def run(self, options: Values, args: List[str]) -> int:
raise NotImplementedError
def _run_wrapper(self, level_number: int, options: Values, args: List[str]) -> int:
def _inner_run() -> int:
try:
return self.run(options, args)
finally:
self.handle_pip_version_check(options)
if options.debug_mode:
rich_traceback.install(show_locals=True)
return _inner_run()
try:
status = _inner_run()
assert isinstance(status, int)
return status
except DiagnosticPipError as exc:
logger.error("%s", exc, extra={"rich": True})
logger.debug("Exception information:", exc_info=True)
return ERROR
except PreviousBuildDirError as exc:
logger.critical(str(exc))
logger.debug("Exception information:", exc_info=True)
return PREVIOUS_BUILD_DIR_ERROR
except (
InstallationError,
BadCommand,
NetworkConnectionError,
) as exc:
logger.critical(str(exc))
logger.debug("Exception information:", exc_info=True)
return ERROR
except CommandError as exc:
logger.critical("%s", exc)
logger.debug("Exception information:", exc_info=True)
return ERROR
except BrokenStdoutLoggingError:
# Bypass our logger and write any remaining messages to
# stderr because stdout no longer works.
print("ERROR: Pipe to stdout was broken", file=sys.stderr)
if level_number <= logging.DEBUG:
traceback.print_exc(file=sys.stderr)
return ERROR
except KeyboardInterrupt:
logger.critical("Operation cancelled by user")
logger.debug("Exception information:", exc_info=True)
return ERROR
except BaseException:
logger.critical("Exception:", exc_info=True)
return UNKNOWN_ERROR
def parse_args(self, args: List[str]) -> Tuple[Values, List[str]]:
# factored out for testability
return self.parser.parse_args(args)
def main(self, args: List[str]) -> int:
try:
with self.main_context():
return self._main(args)
finally:
logging.shutdown()
def _main(self, args: List[str]) -> int:
# We must initialize this before the tempdir manager, otherwise the
# configuration would not be accessible by the time we clean up the
# tempdir manager.
self.tempdir_registry = self.enter_context(tempdir_registry())
# Intentionally set as early as possible so globally-managed temporary
# directories are available to the rest of the code.
self.enter_context(global_tempdir_manager())
options, args = self.parse_args(args)
# Set verbosity so that it can be used elsewhere.
self.verbosity = options.verbose - options.quiet
reconfigure(no_color=options.no_color)
level_number = setup_logging(
verbosity=self.verbosity,
no_color=options.no_color,
user_log_file=options.log,
)
always_enabled_features = set(options.features_enabled) & set(
cmdoptions.ALWAYS_ENABLED_FEATURES
)
if always_enabled_features:
logger.warning(
"The following features are always enabled: %s. ",
", ".join(sorted(always_enabled_features)),
)
# Make sure that the --python argument isn't specified after the
# subcommand. We can tell, because if --python was specified,
# we should only reach this point if we're running in the created
# subprocess, which has the _PIP_RUNNING_IN_SUBPROCESS environment
# variable set.
if options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
logger.critical(
"The --python option must be placed before the pip subcommand name"
)
sys.exit(ERROR)
# TODO: Try to get these passing down from the command?
# without resorting to os.environ to hold these.
# This also affects isolated builds and it should.
if options.no_input:
os.environ["PIP_NO_INPUT"] = "1"
if options.exists_action:
os.environ["PIP_EXISTS_ACTION"] = " ".join(options.exists_action)
if options.require_venv and not self.ignore_require_venv:
# If a venv is required check if it can really be found
if not running_under_virtualenv():
logger.critical("Could not find an activated virtualenv (required).")
sys.exit(VIRTUALENV_NOT_FOUND)
if options.cache_dir:
options.cache_dir = normalize_path(options.cache_dir)
if not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"or is not writable by the current user. The cache "
"has been disabled. Check the permissions and owner of "
"that directory. If executing pip with sudo, you should "
"use sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
if options.no_python_version_warning:
deprecated(
reason="--no-python-version-warning is deprecated.",
replacement="to remove the flag as it's a no-op",
gone_in="25.1",
issue=13154,
)
return self._run_wrapper(level_number, options, args)

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from contextlib import ExitStack, contextmanager
from typing import ContextManager, Generator, TypeVar
_T = TypeVar("_T", covariant=True)
class CommandContextMixIn:
def __init__(self) -> None:
super().__init__()
self._in_main_context = False
self._main_context = ExitStack()
@contextmanager
def main_context(self) -> Generator[None, None, None]:
assert not self._in_main_context
self._in_main_context = True
try:
with self._main_context:
yield
finally:
self._in_main_context = False
def enter_context(self, context_provider: ContextManager[_T]) -> _T:
assert self._in_main_context
return self._main_context.enter_context(context_provider)

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"""
Contains command classes which may interact with an index / the network.
Unlike its sister module, req_command, this module still uses lazy imports
so commands which don't always hit the network (e.g. list w/o --outdated or
--uptodate) don't need waste time importing PipSession and friends.
"""
import logging
import os
import sys
from optparse import Values
from typing import TYPE_CHECKING, List, Optional
from pip._vendor import certifi
from pip._internal.cli.base_command import Command
from pip._internal.cli.command_context import CommandContextMixIn
if TYPE_CHECKING:
from ssl import SSLContext
from pip._internal.network.session import PipSession
logger = logging.getLogger(__name__)
def _create_truststore_ssl_context() -> Optional["SSLContext"]:
if sys.version_info < (3, 10):
logger.debug("Disabling truststore because Python version isn't 3.10+")
return None
try:
import ssl
except ImportError:
logger.warning("Disabling truststore since ssl support is missing")
return None
try:
from pip._vendor import truststore
except ImportError:
logger.warning("Disabling truststore because platform isn't supported")
return None
ctx = truststore.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
ctx.load_verify_locations(certifi.where())
return ctx
class SessionCommandMixin(CommandContextMixIn):
"""
A class mixin for command classes needing _build_session().
"""
def __init__(self) -> None:
super().__init__()
self._session: Optional[PipSession] = None
@classmethod
def _get_index_urls(cls, options: Values) -> Optional[List[str]]:
"""Return a list of index urls from user-provided options."""
index_urls = []
if not getattr(options, "no_index", False):
url = getattr(options, "index_url", None)
if url:
index_urls.append(url)
urls = getattr(options, "extra_index_urls", None)
if urls:
index_urls.extend(urls)
# Return None rather than an empty list
return index_urls or None
def get_default_session(self, options: Values) -> "PipSession":
"""Get a default-managed session."""
if self._session is None:
self._session = self.enter_context(self._build_session(options))
# there's no type annotation on requests.Session, so it's
# automatically ContextManager[Any] and self._session becomes Any,
# then https://github.com/python/mypy/issues/7696 kicks in
assert self._session is not None
return self._session
def _build_session(
self,
options: Values,
retries: Optional[int] = None,
timeout: Optional[int] = None,
) -> "PipSession":
from pip._internal.network.session import PipSession
cache_dir = options.cache_dir
assert not cache_dir or os.path.isabs(cache_dir)
if "legacy-certs" not in options.deprecated_features_enabled:
ssl_context = _create_truststore_ssl_context()
else:
ssl_context = None
session = PipSession(
cache=os.path.join(cache_dir, "http-v2") if cache_dir else None,
retries=retries if retries is not None else options.retries,
trusted_hosts=options.trusted_hosts,
index_urls=self._get_index_urls(options),
ssl_context=ssl_context,
)
# Handle custom ca-bundles from the user
if options.cert:
session.verify = options.cert
# Handle SSL client certificate
if options.client_cert:
session.cert = options.client_cert
# Handle timeouts
if options.timeout or timeout:
session.timeout = timeout if timeout is not None else options.timeout
# Handle configured proxies
if options.proxy:
session.proxies = {
"http": options.proxy,
"https": options.proxy,
}
session.trust_env = False
session.pip_proxy = options.proxy
# Determine if we can prompt the user for authentication or not
session.auth.prompting = not options.no_input
session.auth.keyring_provider = options.keyring_provider
return session
def _pip_self_version_check(session: "PipSession", options: Values) -> None:
from pip._internal.self_outdated_check import pip_self_version_check as check
check(session, options)
class IndexGroupCommand(Command, SessionCommandMixin):
"""
Abstract base class for commands with the index_group options.
This also corresponds to the commands that permit the pip version check.
"""
def handle_pip_version_check(self, options: Values) -> None:
"""
Do the pip version check if not disabled.
This overrides the default behavior of not doing the check.
"""
# Make sure the index_group options are present.
assert hasattr(options, "no_index")
if options.disable_pip_version_check or options.no_index:
return
try:
# Otherwise, check if we're using the latest version of pip available.
session = self._build_session(
options,
retries=0,
timeout=min(5, options.timeout),
)
with session:
_pip_self_version_check(session, options)
except Exception:
logger.warning("There was an error checking the latest version of pip.")
logger.debug("See below for error", exc_info=True)

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"""Primary application entrypoint.
"""
import locale
import logging
import os
import sys
import warnings
from typing import List, Optional
from pip._internal.cli.autocompletion import autocomplete
from pip._internal.cli.main_parser import parse_command
from pip._internal.commands import create_command
from pip._internal.exceptions import PipError
from pip._internal.utils import deprecation
logger = logging.getLogger(__name__)
# Do not import and use main() directly! Using it directly is actively
# discouraged by pip's maintainers. The name, location and behavior of
# this function is subject to change, so calling it directly is not
# portable across different pip versions.
# In addition, running pip in-process is unsupported and unsafe. This is
# elaborated in detail at
# https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program.
# That document also provides suggestions that should work for nearly
# all users that are considering importing and using main() directly.
# However, we know that certain users will still want to invoke pip
# in-process. If you understand and accept the implications of using pip
# in an unsupported manner, the best approach is to use runpy to avoid
# depending on the exact location of this entry point.
# The following example shows how to use runpy to invoke pip in that
# case:
#
# sys.argv = ["pip", your, args, here]
# runpy.run_module("pip", run_name="__main__")
#
# Note that this will exit the process after running, unlike a direct
# call to main. As it is not safe to do any processing after calling
# main, this should not be an issue in practice.
def main(args: Optional[List[str]] = None) -> int:
if args is None:
args = sys.argv[1:]
# Suppress the pkg_resources deprecation warning
# Note - we use a module of .*pkg_resources to cover
# the normal case (pip._vendor.pkg_resources) and the
# devendored case (a bare pkg_resources)
warnings.filterwarnings(
action="ignore", category=DeprecationWarning, module=".*pkg_resources"
)
# Configure our deprecation warnings to be sent through loggers
deprecation.install_warning_logger()
autocomplete()
try:
cmd_name, cmd_args = parse_command(args)
except PipError as exc:
sys.stderr.write(f"ERROR: {exc}")
sys.stderr.write(os.linesep)
sys.exit(1)
# Needed for locale.getpreferredencoding(False) to work
# in pip._internal.utils.encoding.auto_decode
try:
locale.setlocale(locale.LC_ALL, "")
except locale.Error as e:
# setlocale can apparently crash if locale are uninitialized
logger.debug("Ignoring error %s when setting locale", e)
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
return command.main(cmd_args)

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"""A single place for constructing and exposing the main parser
"""
import os
import subprocess
import sys
from typing import List, Optional, Tuple
from pip._internal.build_env import get_runnable_pip
from pip._internal.cli import cmdoptions
from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
from pip._internal.commands import commands_dict, get_similar_commands
from pip._internal.exceptions import CommandError
from pip._internal.utils.misc import get_pip_version, get_prog
__all__ = ["create_main_parser", "parse_command"]
def create_main_parser() -> ConfigOptionParser:
"""Creates and returns the main parser for pip's CLI"""
parser = ConfigOptionParser(
usage="\n%prog <command> [options]",
add_help_option=False,
formatter=UpdatingDefaultsHelpFormatter(),
name="global",
prog=get_prog(),
)
parser.disable_interspersed_args()
parser.version = get_pip_version()
# add the general options
gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
parser.add_option_group(gen_opts)
# so the help formatter knows
parser.main = True # type: ignore
# create command listing for description
description = [""] + [
f"{name:27} {command_info.summary}"
for name, command_info in commands_dict.items()
]
parser.description = "\n".join(description)
return parser
def identify_python_interpreter(python: str) -> Optional[str]:
# If the named file exists, use it.
# If it's a directory, assume it's a virtual environment and
# look for the environment's Python executable.
if os.path.exists(python):
if os.path.isdir(python):
# bin/python for Unix, Scripts/python.exe for Windows
# Try both in case of odd cases like cygwin.
for exe in ("bin/python", "Scripts/python.exe"):
py = os.path.join(python, exe)
if os.path.exists(py):
return py
else:
return python
# Could not find the interpreter specified
return None
def parse_command(args: List[str]) -> Tuple[str, List[str]]:
parser = create_main_parser()
# Note: parser calls disable_interspersed_args(), so the result of this
# call is to split the initial args into the general options before the
# subcommand and everything else.
# For example:
# args: ['--timeout=5', 'install', '--user', 'INITools']
# general_options: ['--timeout==5']
# args_else: ['install', '--user', 'INITools']
general_options, args_else = parser.parse_args(args)
# --python
if general_options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
# Re-invoke pip using the specified Python interpreter
interpreter = identify_python_interpreter(general_options.python)
if interpreter is None:
raise CommandError(
f"Could not locate Python interpreter {general_options.python}"
)
pip_cmd = [
interpreter,
get_runnable_pip(),
]
pip_cmd.extend(args)
# Set a flag so the child doesn't re-invoke itself, causing
# an infinite loop.
os.environ["_PIP_RUNNING_IN_SUBPROCESS"] = "1"
returncode = 0
try:
proc = subprocess.run(pip_cmd)
returncode = proc.returncode
except (subprocess.SubprocessError, OSError) as exc:
raise CommandError(f"Failed to run pip under {interpreter}: {exc}")
sys.exit(returncode)
# --version
if general_options.version:
sys.stdout.write(parser.version)
sys.stdout.write(os.linesep)
sys.exit()
# pip || pip help -> print_help()
if not args_else or (args_else[0] == "help" and len(args_else) == 1):
parser.print_help()
sys.exit()
# the subcommand name
cmd_name = args_else[0]
if cmd_name not in commands_dict:
guess = get_similar_commands(cmd_name)
msg = [f'unknown command "{cmd_name}"']
if guess:
msg.append(f'maybe you meant "{guess}"')
raise CommandError(" - ".join(msg))
# all the args without the subcommand
cmd_args = args[:]
cmd_args.remove(cmd_name)
return cmd_name, cmd_args

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"""Base option parser setup"""
import logging
import optparse
import shutil
import sys
import textwrap
from contextlib import suppress
from typing import Any, Dict, Generator, List, NoReturn, Optional, Tuple
from pip._internal.cli.status_codes import UNKNOWN_ERROR
from pip._internal.configuration import Configuration, ConfigurationError
from pip._internal.utils.misc import redact_auth_from_url, strtobool
logger = logging.getLogger(__name__)
class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
"""A prettier/less verbose help formatter for optparse."""
def __init__(self, *args: Any, **kwargs: Any) -> None:
# help position must be aligned with __init__.parseopts.description
kwargs["max_help_position"] = 30
kwargs["indent_increment"] = 1
kwargs["width"] = shutil.get_terminal_size()[0] - 2
super().__init__(*args, **kwargs)
def format_option_strings(self, option: optparse.Option) -> str:
return self._format_option_strings(option)
def _format_option_strings(
self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", "
) -> str:
"""
Return a comma-separated list of option strings and metavars.
:param option: tuple of (short opt, long opt), e.g: ('-f', '--format')
:param mvarfmt: metavar format string
:param optsep: separator
"""
opts = []
if option._short_opts:
opts.append(option._short_opts[0])
if option._long_opts:
opts.append(option._long_opts[0])
if len(opts) > 1:
opts.insert(1, optsep)
if option.takes_value():
assert option.dest is not None
metavar = option.metavar or option.dest.lower()
opts.append(mvarfmt.format(metavar.lower()))
return "".join(opts)
def format_heading(self, heading: str) -> str:
if heading == "Options":
return ""
return heading + ":\n"
def format_usage(self, usage: str) -> str:
"""
Ensure there is only one newline between usage and the first heading
if there is no description.
"""
msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), " "))
return msg
def format_description(self, description: Optional[str]) -> str:
# leave full control over description to us
if description:
if hasattr(self.parser, "main"):
label = "Commands"
else:
label = "Description"
# some doc strings have initial newlines, some don't
description = description.lstrip("\n")
# some doc strings have final newlines and spaces, some don't
description = description.rstrip()
# dedent, then reindent
description = self.indent_lines(textwrap.dedent(description), " ")
description = f"{label}:\n{description}\n"
return description
else:
return ""
def format_epilog(self, epilog: Optional[str]) -> str:
# leave full control over epilog to us
if epilog:
return epilog
else:
return ""
def indent_lines(self, text: str, indent: str) -> str:
new_lines = [indent + line for line in text.split("\n")]
return "\n".join(new_lines)
class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
"""Custom help formatter for use in ConfigOptionParser.
This is updates the defaults before expanding them, allowing
them to show up correctly in the help listing.
Also redact auth from url type options
"""
def expand_default(self, option: optparse.Option) -> str:
default_values = None
if self.parser is not None:
assert isinstance(self.parser, ConfigOptionParser)
self.parser._update_defaults(self.parser.defaults)
assert option.dest is not None
default_values = self.parser.defaults.get(option.dest)
help_text = super().expand_default(option)
if default_values and option.metavar == "URL":
if isinstance(default_values, str):
default_values = [default_values]
# If its not a list, we should abort and just return the help text
if not isinstance(default_values, list):
default_values = []
for val in default_values:
help_text = help_text.replace(val, redact_auth_from_url(val))
return help_text
class CustomOptionParser(optparse.OptionParser):
def insert_option_group(
self, idx: int, *args: Any, **kwargs: Any
) -> optparse.OptionGroup:
"""Insert an OptionGroup at a given position."""
group = self.add_option_group(*args, **kwargs)
self.option_groups.pop()
self.option_groups.insert(idx, group)
return group
@property
def option_list_all(self) -> List[optparse.Option]:
"""Get a list of all options, including those in option groups."""
res = self.option_list[:]
for i in self.option_groups:
res.extend(i.option_list)
return res
class ConfigOptionParser(CustomOptionParser):
"""Custom option parser which updates its defaults by checking the
configuration files and environmental variables"""
def __init__(
self,
*args: Any,
name: str,
isolated: bool = False,
**kwargs: Any,
) -> None:
self.name = name
self.config = Configuration(isolated)
assert self.name
super().__init__(*args, **kwargs)
def check_default(self, option: optparse.Option, key: str, val: Any) -> Any:
try:
return option.check_value(key, val)
except optparse.OptionValueError as exc:
print(f"An error occurred during configuration: {exc}")
sys.exit(3)
def _get_ordered_configuration_items(
self,
) -> Generator[Tuple[str, Any], None, None]:
# Configuration gives keys in an unordered manner. Order them.
override_order = ["global", self.name, ":env:"]
# Pool the options into different groups
section_items: Dict[str, List[Tuple[str, Any]]] = {
name: [] for name in override_order
}
for section_key, val in self.config.items():
# ignore empty values
if not val:
logger.debug(
"Ignoring configuration key '%s' as it's value is empty.",
section_key,
)
continue
section, key = section_key.split(".", 1)
if section in override_order:
section_items[section].append((key, val))
# Yield each group in their override order
for section in override_order:
for key, val in section_items[section]:
yield key, val
def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]:
"""Updates the given defaults with values from the config files and
the environ. Does a little special handling for certain types of
options (lists)."""
# Accumulate complex default state.
self.values = optparse.Values(self.defaults)
late_eval = set()
# Then set the options with those values
for key, val in self._get_ordered_configuration_items():
# '--' because configuration supports only long names
option = self.get_option("--" + key)
# Ignore options not present in this parser. E.g. non-globals put
# in [global] by users that want them to apply to all applicable
# commands.
if option is None:
continue
assert option.dest is not None
if option.action in ("store_true", "store_false"):
try:
val = strtobool(val)
except ValueError:
self.error(
f"{val} is not a valid value for {key} option, "
"please specify a boolean value like yes/no, "
"true/false or 1/0 instead."
)
elif option.action == "count":
with suppress(ValueError):
val = strtobool(val)
with suppress(ValueError):
val = int(val)
if not isinstance(val, int) or val < 0:
self.error(
f"{val} is not a valid value for {key} option, "
"please instead specify either a non-negative integer "
"or a boolean value like yes/no or false/true "
"which is equivalent to 1/0."
)
elif option.action == "append":
val = val.split()
val = [self.check_default(option, key, v) for v in val]
elif option.action == "callback":
assert option.callback is not None
late_eval.add(option.dest)
opt_str = option.get_opt_string()
val = option.convert_value(opt_str, val)
# From take_action
args = option.callback_args or ()
kwargs = option.callback_kwargs or {}
option.callback(option, opt_str, val, self, *args, **kwargs)
else:
val = self.check_default(option, key, val)
defaults[option.dest] = val
for key in late_eval:
defaults[key] = getattr(self.values, key)
self.values = None
return defaults
def get_default_values(self) -> optparse.Values:
"""Overriding to make updating the defaults after instantiation of
the option parser possible, _update_defaults() does the dirty work."""
if not self.process_default_values:
# Old, pre-Optik 1.5 behaviour.
return optparse.Values(self.defaults)
# Load the configuration, or error out in case of an error
try:
self.config.load()
except ConfigurationError as err:
self.exit(UNKNOWN_ERROR, str(err))
defaults = self._update_defaults(self.defaults.copy()) # ours
for option in self._get_all_options():
assert option.dest is not None
default = defaults.get(option.dest)
if isinstance(default, str):
opt_str = option.get_opt_string()
defaults[option.dest] = option.check_value(opt_str, default)
return optparse.Values(defaults)
def error(self, msg: str) -> NoReturn:
self.print_usage(sys.stderr)
self.exit(UNKNOWN_ERROR, f"{msg}\n")

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import functools
import sys
from typing import Callable, Generator, Iterable, Iterator, Optional, Tuple
from pip._vendor.rich.progress import (
BarColumn,
DownloadColumn,
FileSizeColumn,
Progress,
ProgressColumn,
SpinnerColumn,
TextColumn,
TimeElapsedColumn,
TimeRemainingColumn,
TransferSpeedColumn,
)
from pip._internal.cli.spinners import RateLimiter
from pip._internal.utils.logging import get_indentation
DownloadProgressRenderer = Callable[[Iterable[bytes]], Iterator[bytes]]
def _rich_progress_bar(
iterable: Iterable[bytes],
*,
bar_type: str,
size: Optional[int],
) -> Generator[bytes, None, None]:
assert bar_type == "on", "This should only be used in the default mode."
if not size:
total = float("inf")
columns: Tuple[ProgressColumn, ...] = (
TextColumn("[progress.description]{task.description}"),
SpinnerColumn("line", speed=1.5),
FileSizeColumn(),
TransferSpeedColumn(),
TimeElapsedColumn(),
)
else:
total = size
columns = (
TextColumn("[progress.description]{task.description}"),
BarColumn(),
DownloadColumn(),
TransferSpeedColumn(),
TextColumn("eta"),
TimeRemainingColumn(),
)
progress = Progress(*columns, refresh_per_second=5)
task_id = progress.add_task(" " * (get_indentation() + 2), total=total)
with progress:
for chunk in iterable:
yield chunk
progress.update(task_id, advance=len(chunk))
def _raw_progress_bar(
iterable: Iterable[bytes],
*,
size: Optional[int],
) -> Generator[bytes, None, None]:
def write_progress(current: int, total: int) -> None:
sys.stdout.write(f"Progress {current} of {total}\n")
sys.stdout.flush()
current = 0
total = size or 0
rate_limiter = RateLimiter(0.25)
write_progress(current, total)
for chunk in iterable:
current += len(chunk)
if rate_limiter.ready() or current == total:
write_progress(current, total)
rate_limiter.reset()
yield chunk
def get_download_progress_renderer(
*, bar_type: str, size: Optional[int] = None
) -> DownloadProgressRenderer:
"""Get an object that can be used to render the download progress.
Returns a callable, that takes an iterable to "wrap".
"""
if bar_type == "on":
return functools.partial(_rich_progress_bar, bar_type=bar_type, size=size)
elif bar_type == "raw":
return functools.partial(_raw_progress_bar, size=size)
else:
return iter # no-op, when passed an iterator

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"""Contains the RequirementCommand base class.
This class is in a separate module so the commands that do not always
need PackageFinder capability don't unnecessarily import the
PackageFinder machinery and all its vendored dependencies, etc.
"""
import logging
from functools import partial
from optparse import Values
from typing import Any, List, Optional, Tuple
from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.index_command import IndexGroupCommand
from pip._internal.cli.index_command import SessionCommandMixin as SessionCommandMixin
from pip._internal.exceptions import CommandError, PreviousBuildDirError
from pip._internal.index.collector import LinkCollector
from pip._internal.index.package_finder import PackageFinder
from pip._internal.models.selection_prefs import SelectionPreferences
from pip._internal.models.target_python import TargetPython
from pip._internal.network.session import PipSession
from pip._internal.operations.build.build_tracker import BuildTracker
from pip._internal.operations.prepare import RequirementPreparer
from pip._internal.req.constructors import (
install_req_from_editable,
install_req_from_line,
install_req_from_parsed_requirement,
install_req_from_req_string,
)
from pip._internal.req.req_file import parse_requirements
from pip._internal.req.req_install import InstallRequirement
from pip._internal.resolution.base import BaseResolver
from pip._internal.utils.temp_dir import (
TempDirectory,
TempDirectoryTypeRegistry,
tempdir_kinds,
)
logger = logging.getLogger(__name__)
KEEPABLE_TEMPDIR_TYPES = [
tempdir_kinds.BUILD_ENV,
tempdir_kinds.EPHEM_WHEEL_CACHE,
tempdir_kinds.REQ_BUILD,
]
def with_cleanup(func: Any) -> Any:
"""Decorator for common logic related to managing temporary
directories.
"""
def configure_tempdir_registry(registry: TempDirectoryTypeRegistry) -> None:
for t in KEEPABLE_TEMPDIR_TYPES:
registry.set_delete(t, False)
def wrapper(
self: RequirementCommand, options: Values, args: List[Any]
) -> Optional[int]:
assert self.tempdir_registry is not None
if options.no_clean:
configure_tempdir_registry(self.tempdir_registry)
try:
return func(self, options, args)
except PreviousBuildDirError:
# This kind of conflict can occur when the user passes an explicit
# build directory with a pre-existing folder. In that case we do
# not want to accidentally remove it.
configure_tempdir_registry(self.tempdir_registry)
raise
return wrapper
class RequirementCommand(IndexGroupCommand):
def __init__(self, *args: Any, **kw: Any) -> None:
super().__init__(*args, **kw)
self.cmd_opts.add_option(cmdoptions.no_clean())
@staticmethod
def determine_resolver_variant(options: Values) -> str:
"""Determines which resolver should be used, based on the given options."""
if "legacy-resolver" in options.deprecated_features_enabled:
return "legacy"
return "resolvelib"
@classmethod
def make_requirement_preparer(
cls,
temp_build_dir: TempDirectory,
options: Values,
build_tracker: BuildTracker,
session: PipSession,
finder: PackageFinder,
use_user_site: bool,
download_dir: Optional[str] = None,
verbosity: int = 0,
) -> RequirementPreparer:
"""
Create a RequirementPreparer instance for the given parameters.
"""
temp_build_dir_path = temp_build_dir.path
assert temp_build_dir_path is not None
legacy_resolver = False
resolver_variant = cls.determine_resolver_variant(options)
if resolver_variant == "resolvelib":
lazy_wheel = "fast-deps" in options.features_enabled
if lazy_wheel:
logger.warning(
"pip is using lazily downloaded wheels using HTTP "
"range requests to obtain dependency information. "
"This experimental feature is enabled through "
"--use-feature=fast-deps and it is not ready for "
"production."
)
else:
legacy_resolver = True
lazy_wheel = False
if "fast-deps" in options.features_enabled:
logger.warning(
"fast-deps has no effect when used with the legacy resolver."
)
return RequirementPreparer(
build_dir=temp_build_dir_path,
src_dir=options.src_dir,
download_dir=download_dir,
build_isolation=options.build_isolation,
check_build_deps=options.check_build_deps,
build_tracker=build_tracker,
session=session,
progress_bar=options.progress_bar,
finder=finder,
require_hashes=options.require_hashes,
use_user_site=use_user_site,
lazy_wheel=lazy_wheel,
verbosity=verbosity,
legacy_resolver=legacy_resolver,
)
@classmethod
def make_resolver(
cls,
preparer: RequirementPreparer,
finder: PackageFinder,
options: Values,
wheel_cache: Optional[WheelCache] = None,
use_user_site: bool = False,
ignore_installed: bool = True,
ignore_requires_python: bool = False,
force_reinstall: bool = False,
upgrade_strategy: str = "to-satisfy-only",
use_pep517: Optional[bool] = None,
py_version_info: Optional[Tuple[int, ...]] = None,
) -> BaseResolver:
"""
Create a Resolver instance for the given parameters.
"""
make_install_req = partial(
install_req_from_req_string,
isolated=options.isolated_mode,
use_pep517=use_pep517,
)
resolver_variant = cls.determine_resolver_variant(options)
# The long import name and duplicated invocation is needed to convince
# Mypy into correctly typechecking. Otherwise it would complain the
# "Resolver" class being redefined.
if resolver_variant == "resolvelib":
import pip._internal.resolution.resolvelib.resolver
return pip._internal.resolution.resolvelib.resolver.Resolver(
preparer=preparer,
finder=finder,
wheel_cache=wheel_cache,
make_install_req=make_install_req,
use_user_site=use_user_site,
ignore_dependencies=options.ignore_dependencies,
ignore_installed=ignore_installed,
ignore_requires_python=ignore_requires_python,
force_reinstall=force_reinstall,
upgrade_strategy=upgrade_strategy,
py_version_info=py_version_info,
)
import pip._internal.resolution.legacy.resolver
return pip._internal.resolution.legacy.resolver.Resolver(
preparer=preparer,
finder=finder,
wheel_cache=wheel_cache,
make_install_req=make_install_req,
use_user_site=use_user_site,
ignore_dependencies=options.ignore_dependencies,
ignore_installed=ignore_installed,
ignore_requires_python=ignore_requires_python,
force_reinstall=force_reinstall,
upgrade_strategy=upgrade_strategy,
py_version_info=py_version_info,
)
def get_requirements(
self,
args: List[str],
options: Values,
finder: PackageFinder,
session: PipSession,
) -> List[InstallRequirement]:
"""
Parse command-line arguments into the corresponding requirements.
"""
requirements: List[InstallRequirement] = []
for filename in options.constraints:
for parsed_req in parse_requirements(
filename,
constraint=True,
finder=finder,
options=options,
session=session,
):
req_to_add = install_req_from_parsed_requirement(
parsed_req,
isolated=options.isolated_mode,
user_supplied=False,
)
requirements.append(req_to_add)
for req in args:
req_to_add = install_req_from_line(
req,
comes_from=None,
isolated=options.isolated_mode,
use_pep517=options.use_pep517,
user_supplied=True,
config_settings=getattr(options, "config_settings", None),
)
requirements.append(req_to_add)
for req in options.editables:
req_to_add = install_req_from_editable(
req,
user_supplied=True,
isolated=options.isolated_mode,
use_pep517=options.use_pep517,
config_settings=getattr(options, "config_settings", None),
)
requirements.append(req_to_add)
# NOTE: options.require_hashes may be set if --require-hashes is True
for filename in options.requirements:
for parsed_req in parse_requirements(
filename, finder=finder, options=options, session=session
):
req_to_add = install_req_from_parsed_requirement(
parsed_req,
isolated=options.isolated_mode,
use_pep517=options.use_pep517,
user_supplied=True,
config_settings=(
parsed_req.options.get("config_settings")
if parsed_req.options
else None
),
)
requirements.append(req_to_add)
# If any requirement has hash options, enable hash checking.
if any(req.has_hash_options for req in requirements):
options.require_hashes = True
if not (args or options.editables or options.requirements):
opts = {"name": self.name}
if options.find_links:
raise CommandError(
"You must give at least one requirement to {name} "
'(maybe you meant "pip {name} {links}"?)'.format(
**dict(opts, links=" ".join(options.find_links))
)
)
else:
raise CommandError(
"You must give at least one requirement to {name} "
'(see "pip help {name}")'.format(**opts)
)
return requirements
@staticmethod
def trace_basic_info(finder: PackageFinder) -> None:
"""
Trace basic information about the provided objects.
"""
# Display where finder is looking for packages
search_scope = finder.search_scope
locations = search_scope.get_formatted_locations()
if locations:
logger.info(locations)
def _build_package_finder(
self,
options: Values,
session: PipSession,
target_python: Optional[TargetPython] = None,
ignore_requires_python: Optional[bool] = None,
) -> PackageFinder:
"""
Create a package finder appropriate to this requirement command.
:param ignore_requires_python: Whether to ignore incompatible
"Requires-Python" values in links. Defaults to False.
"""
link_collector = LinkCollector.create(session, options=options)
selection_prefs = SelectionPreferences(
allow_yanked=True,
format_control=options.format_control,
allow_all_prereleases=options.pre,
prefer_binary=options.prefer_binary,
ignore_requires_python=ignore_requires_python,
)
return PackageFinder.create(
link_collector=link_collector,
selection_prefs=selection_prefs,
target_python=target_python,
)

159
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@ -1,159 +0,0 @@
import contextlib
import itertools
import logging
import sys
import time
from typing import IO, Generator, Optional
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.logging import get_indentation
logger = logging.getLogger(__name__)
class SpinnerInterface:
def spin(self) -> None:
raise NotImplementedError()
def finish(self, final_status: str) -> None:
raise NotImplementedError()
class InteractiveSpinner(SpinnerInterface):
def __init__(
self,
message: str,
file: Optional[IO[str]] = None,
spin_chars: str = "-\\|/",
# Empirically, 8 updates/second looks nice
min_update_interval_seconds: float = 0.125,
):
self._message = message
if file is None:
file = sys.stdout
self._file = file
self._rate_limiter = RateLimiter(min_update_interval_seconds)
self._finished = False
self._spin_cycle = itertools.cycle(spin_chars)
self._file.write(" " * get_indentation() + self._message + " ... ")
self._width = 0
def _write(self, status: str) -> None:
assert not self._finished
# Erase what we wrote before by backspacing to the beginning, writing
# spaces to overwrite the old text, and then backspacing again
backup = "\b" * self._width
self._file.write(backup + " " * self._width + backup)
# Now we have a blank slate to add our status
self._file.write(status)
self._width = len(status)
self._file.flush()
self._rate_limiter.reset()
def spin(self) -> None:
if self._finished:
return
if not self._rate_limiter.ready():
return
self._write(next(self._spin_cycle))
def finish(self, final_status: str) -> None:
if self._finished:
return
self._write(final_status)
self._file.write("\n")
self._file.flush()
self._finished = True
# Used for dumb terminals, non-interactive installs (no tty), etc.
# We still print updates occasionally (once every 60 seconds by default) to
# act as a keep-alive for systems like Travis-CI that take lack-of-output as
# an indication that a task has frozen.
class NonInteractiveSpinner(SpinnerInterface):
def __init__(self, message: str, min_update_interval_seconds: float = 60.0) -> None:
self._message = message
self._finished = False
self._rate_limiter = RateLimiter(min_update_interval_seconds)
self._update("started")
def _update(self, status: str) -> None:
assert not self._finished
self._rate_limiter.reset()
logger.info("%s: %s", self._message, status)
def spin(self) -> None:
if self._finished:
return
if not self._rate_limiter.ready():
return
self._update("still running...")
def finish(self, final_status: str) -> None:
if self._finished:
return
self._update(f"finished with status '{final_status}'")
self._finished = True
class RateLimiter:
def __init__(self, min_update_interval_seconds: float) -> None:
self._min_update_interval_seconds = min_update_interval_seconds
self._last_update: float = 0
def ready(self) -> bool:
now = time.time()
delta = now - self._last_update
return delta >= self._min_update_interval_seconds
def reset(self) -> None:
self._last_update = time.time()
@contextlib.contextmanager
def open_spinner(message: str) -> Generator[SpinnerInterface, None, None]:
# Interactive spinner goes directly to sys.stdout rather than being routed
# through the logging system, but it acts like it has level INFO,
# i.e. it's only displayed if we're at level INFO or better.
# Non-interactive spinner goes through the logging system, so it is always
# in sync with logging configuration.
if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO:
spinner: SpinnerInterface = InteractiveSpinner(message)
else:
spinner = NonInteractiveSpinner(message)
try:
with hidden_cursor(sys.stdout):
yield spinner
except KeyboardInterrupt:
spinner.finish("canceled")
raise
except Exception:
spinner.finish("error")
raise
else:
spinner.finish("done")
HIDE_CURSOR = "\x1b[?25l"
SHOW_CURSOR = "\x1b[?25h"
@contextlib.contextmanager
def hidden_cursor(file: IO[str]) -> Generator[None, None, None]:
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)

6
httpd/env/lib/python3.12/site-packages/pip/_internal/cli/status_codes.py vendored
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@ -1,6 +0,0 @@
SUCCESS = 0
ERROR = 1
UNKNOWN_ERROR = 2
VIRTUALENV_NOT_FOUND = 3
PREVIOUS_BUILD_DIR_ERROR = 4
NO_MATCHES_FOUND = 23

132
httpd/env/lib/python3.12/site-packages/pip/_internal/commands/__init__.py vendored
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@ -1,132 +0,0 @@
"""
Package containing all pip commands
"""
import importlib
from collections import namedtuple
from typing import Any, Dict, Optional
from pip._internal.cli.base_command import Command
CommandInfo = namedtuple("CommandInfo", "module_path, class_name, summary")
# This dictionary does a bunch of heavy lifting for help output:
# - Enables avoiding additional (costly) imports for presenting `--help`.
# - The ordering matters for help display.
#
# Even though the module path starts with the same "pip._internal.commands"
# prefix, the full path makes testing easier (specifically when modifying
# `commands_dict` in test setup / teardown).
commands_dict: Dict[str, CommandInfo] = {
"install": CommandInfo(
"pip._internal.commands.install",
"InstallCommand",
"Install packages.",
),
"download": CommandInfo(
"pip._internal.commands.download",
"DownloadCommand",
"Download packages.",
),
"uninstall": CommandInfo(
"pip._internal.commands.uninstall",
"UninstallCommand",
"Uninstall packages.",
),
"freeze": CommandInfo(
"pip._internal.commands.freeze",
"FreezeCommand",
"Output installed packages in requirements format.",
),
"inspect": CommandInfo(
"pip._internal.commands.inspect",
"InspectCommand",
"Inspect the python environment.",
),
"list": CommandInfo(
"pip._internal.commands.list",
"ListCommand",
"List installed packages.",
),
"show": CommandInfo(
"pip._internal.commands.show",
"ShowCommand",
"Show information about installed packages.",
),
"check": CommandInfo(
"pip._internal.commands.check",
"CheckCommand",
"Verify installed packages have compatible dependencies.",
),
"config": CommandInfo(
"pip._internal.commands.configuration",
"ConfigurationCommand",
"Manage local and global configuration.",
),
"search": CommandInfo(
"pip._internal.commands.search",
"SearchCommand",
"Search PyPI for packages.",
),
"cache": CommandInfo(
"pip._internal.commands.cache",
"CacheCommand",
"Inspect and manage pip's wheel cache.",
),
"index": CommandInfo(
"pip._internal.commands.index",
"IndexCommand",
"Inspect information available from package indexes.",
),
"wheel": CommandInfo(
"pip._internal.commands.wheel",
"WheelCommand",
"Build wheels from your requirements.",
),
"hash": CommandInfo(
"pip._internal.commands.hash",
"HashCommand",
"Compute hashes of package archives.",
),
"completion": CommandInfo(
"pip._internal.commands.completion",
"CompletionCommand",
"A helper command used for command completion.",
),
"debug": CommandInfo(
"pip._internal.commands.debug",
"DebugCommand",
"Show information useful for debugging.",
),
"help": CommandInfo(
"pip._internal.commands.help",
"HelpCommand",
"Show help for commands.",
),
}
def create_command(name: str, **kwargs: Any) -> Command:
"""
Create an instance of the Command class with the given name.
"""
module_path, class_name, summary = commands_dict[name]
module = importlib.import_module(module_path)
command_class = getattr(module, class_name)
command = command_class(name=name, summary=summary, **kwargs)
return command
def get_similar_commands(name: str) -> Optional[str]:
"""Command name auto-correct."""
from difflib import get_close_matches
name = name.lower()
close_commands = get_close_matches(name, commands_dict.keys())
if close_commands:
return close_commands[0]
else:
return None

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import os
import textwrap
from optparse import Values
from typing import Any, List
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.exceptions import CommandError, PipError
from pip._internal.utils import filesystem
from pip._internal.utils.logging import getLogger
from pip._internal.utils.misc import format_size
logger = getLogger(__name__)
class CacheCommand(Command):
"""
Inspect and manage pip's wheel cache.
Subcommands:
- dir: Show the cache directory.
- info: Show information about the cache.
- list: List filenames of packages stored in the cache.
- remove: Remove one or more package from the cache.
- purge: Remove all items from the cache.
``<pattern>`` can be a glob expression or a package name.
"""
ignore_require_venv = True
usage = """
%prog dir
%prog info
%prog list [<pattern>] [--format=[human, abspath]]
%prog remove <pattern>
%prog purge
"""
def add_options(self) -> None:
self.cmd_opts.add_option(
"--format",
action="store",
dest="list_format",
default="human",
choices=("human", "abspath"),
help="Select the output format among: human (default) or abspath",
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
handlers = {
"dir": self.get_cache_dir,
"info": self.get_cache_info,
"list": self.list_cache_items,
"remove": self.remove_cache_items,
"purge": self.purge_cache,
}
if not options.cache_dir:
logger.error("pip cache commands can not function since cache is disabled.")
return ERROR
# Determine action
if not args or args[0] not in handlers:
logger.error(
"Need an action (%s) to perform.",
", ".join(sorted(handlers)),
)
return ERROR
action = args[0]
# Error handling happens here, not in the action-handlers.
try:
handlers[action](options, args[1:])
except PipError as e:
logger.error(e.args[0])
return ERROR
return SUCCESS
def get_cache_dir(self, options: Values, args: List[Any]) -> None:
if args:
raise CommandError("Too many arguments")
logger.info(options.cache_dir)
def get_cache_info(self, options: Values, args: List[Any]) -> None:
if args:
raise CommandError("Too many arguments")
num_http_files = len(self._find_http_files(options))
num_packages = len(self._find_wheels(options, "*"))
http_cache_location = self._cache_dir(options, "http-v2")
old_http_cache_location = self._cache_dir(options, "http")
wheels_cache_location = self._cache_dir(options, "wheels")
http_cache_size = filesystem.format_size(
filesystem.directory_size(http_cache_location)
+ filesystem.directory_size(old_http_cache_location)
)
wheels_cache_size = filesystem.format_directory_size(wheels_cache_location)
message = (
textwrap.dedent(
"""
Package index page cache location (pip v23.3+): {http_cache_location}
Package index page cache location (older pips): {old_http_cache_location}
Package index page cache size: {http_cache_size}
Number of HTTP files: {num_http_files}
Locally built wheels location: {wheels_cache_location}
Locally built wheels size: {wheels_cache_size}
Number of locally built wheels: {package_count}
""" # noqa: E501
)
.format(
http_cache_location=http_cache_location,
old_http_cache_location=old_http_cache_location,
http_cache_size=http_cache_size,
num_http_files=num_http_files,
wheels_cache_location=wheels_cache_location,
package_count=num_packages,
wheels_cache_size=wheels_cache_size,
)
.strip()
)
logger.info(message)
def list_cache_items(self, options: Values, args: List[Any]) -> None:
if len(args) > 1:
raise CommandError("Too many arguments")
if args:
pattern = args[0]
else:
pattern = "*"
files = self._find_wheels(options, pattern)
if options.list_format == "human":
self.format_for_human(files)
else:
self.format_for_abspath(files)
def format_for_human(self, files: List[str]) -> None:
if not files:
logger.info("No locally built wheels cached.")
return
results = []
for filename in files:
wheel = os.path.basename(filename)
size = filesystem.format_file_size(filename)
results.append(f" - {wheel} ({size})")
logger.info("Cache contents:\n")
logger.info("\n".join(sorted(results)))
def format_for_abspath(self, files: List[str]) -> None:
if files:
logger.info("\n".join(sorted(files)))
def remove_cache_items(self, options: Values, args: List[Any]) -> None:
if len(args) > 1:
raise CommandError("Too many arguments")
if not args:
raise CommandError("Please provide a pattern")
files = self._find_wheels(options, args[0])
no_matching_msg = "No matching packages"
if args[0] == "*":
# Only fetch http files if no specific pattern given
files += self._find_http_files(options)
else:
# Add the pattern to the log message
no_matching_msg += f' for pattern "{args[0]}"'
if not files:
logger.warning(no_matching_msg)
bytes_removed = 0
for filename in files:
bytes_removed += os.stat(filename).st_size
os.unlink(filename)
logger.verbose("Removed %s", filename)
logger.info("Files removed: %s (%s)", len(files), format_size(bytes_removed))
def purge_cache(self, options: Values, args: List[Any]) -> None:
if args:
raise CommandError("Too many arguments")
return self.remove_cache_items(options, ["*"])
def _cache_dir(self, options: Values, subdir: str) -> str:
return os.path.join(options.cache_dir, subdir)
def _find_http_files(self, options: Values) -> List[str]:
old_http_dir = self._cache_dir(options, "http")
new_http_dir = self._cache_dir(options, "http-v2")
return filesystem.find_files(old_http_dir, "*") + filesystem.find_files(
new_http_dir, "*"
)
def _find_wheels(self, options: Values, pattern: str) -> List[str]:
wheel_dir = self._cache_dir(options, "wheels")
# The wheel filename format, as specified in PEP 427, is:
# {distribution}-{version}(-{build})?-{python}-{abi}-{platform}.whl
#
# Additionally, non-alphanumeric values in the distribution are
# normalized to underscores (_), meaning hyphens can never occur
# before `-{version}`.
#
# Given that information:
# - If the pattern we're given contains a hyphen (-), the user is
# providing at least the version. Thus, we can just append `*.whl`
# to match the rest of it.
# - If the pattern we're given doesn't contain a hyphen (-), the
# user is only providing the name. Thus, we append `-*.whl` to
# match the hyphen before the version, followed by anything else.
#
# PEP 427: https://www.python.org/dev/peps/pep-0427/
pattern = pattern + ("*.whl" if "-" in pattern else "-*.whl")
return filesystem.find_files(wheel_dir, pattern)

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import logging
from optparse import Values
from typing import List
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.metadata import get_default_environment
from pip._internal.operations.check import (
check_package_set,
check_unsupported,
create_package_set_from_installed,
)
from pip._internal.utils.compatibility_tags import get_supported
from pip._internal.utils.misc import write_output
logger = logging.getLogger(__name__)
class CheckCommand(Command):
"""Verify installed packages have compatible dependencies."""
ignore_require_venv = True
usage = """
%prog [options]"""
def run(self, options: Values, args: List[str]) -> int:
package_set, parsing_probs = create_package_set_from_installed()
missing, conflicting = check_package_set(package_set)
unsupported = list(
check_unsupported(
get_default_environment().iter_installed_distributions(),
get_supported(),
)
)
for project_name in missing:
version = package_set[project_name].version
for dependency in missing[project_name]:
write_output(
"%s %s requires %s, which is not installed.",
project_name,
version,
dependency[0],
)
for project_name in conflicting:
version = package_set[project_name].version
for dep_name, dep_version, req in conflicting[project_name]:
write_output(
"%s %s has requirement %s, but you have %s %s.",
project_name,
version,
req,
dep_name,
dep_version,
)
for package in unsupported:
write_output(
"%s %s is not supported on this platform",
package.raw_name,
package.version,
)
if missing or conflicting or parsing_probs or unsupported:
return ERROR
else:
write_output("No broken requirements found.")
return SUCCESS

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import sys
import textwrap
from optparse import Values
from typing import List
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.utils.misc import get_prog
BASE_COMPLETION = """
# pip {shell} completion start{script}# pip {shell} completion end
"""
COMPLETION_SCRIPTS = {
"bash": """
_pip_completion()
{{
COMPREPLY=( $( COMP_WORDS="${{COMP_WORDS[*]}}" \\
COMP_CWORD=$COMP_CWORD \\
PIP_AUTO_COMPLETE=1 $1 2>/dev/null ) )
}}
complete -o default -F _pip_completion {prog}
""",
"zsh": """
#compdef -P pip[0-9.]#
__pip() {{
compadd $( COMP_WORDS="$words[*]" \\
COMP_CWORD=$((CURRENT-1)) \\
PIP_AUTO_COMPLETE=1 $words[1] 2>/dev/null )
}}
if [[ $zsh_eval_context[-1] == loadautofunc ]]; then
# autoload from fpath, call function directly
__pip "$@"
else
# eval/source/. command, register function for later
compdef __pip -P 'pip[0-9.]#'
fi
""",
"fish": """
function __fish_complete_pip
set -lx COMP_WORDS (commandline -o) ""
set -lx COMP_CWORD ( \\
math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
)
set -lx PIP_AUTO_COMPLETE 1
string split \\ -- (eval $COMP_WORDS[1])
end
complete -fa "(__fish_complete_pip)" -c {prog}
""",
"powershell": """
if ((Test-Path Function:\\TabExpansion) -and -not `
(Test-Path Function:\\_pip_completeBackup)) {{
Rename-Item Function:\\TabExpansion _pip_completeBackup
}}
function TabExpansion($line, $lastWord) {{
$lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart()
if ($lastBlock.StartsWith("{prog} ")) {{
$Env:COMP_WORDS=$lastBlock
$Env:COMP_CWORD=$lastBlock.Split().Length - 1
$Env:PIP_AUTO_COMPLETE=1
(& {prog}).Split()
Remove-Item Env:COMP_WORDS
Remove-Item Env:COMP_CWORD
Remove-Item Env:PIP_AUTO_COMPLETE
}}
elseif (Test-Path Function:\\_pip_completeBackup) {{
# Fall back on existing tab expansion
_pip_completeBackup $line $lastWord
}}
}}
""",
}
class CompletionCommand(Command):
"""A helper command to be used for command completion."""
ignore_require_venv = True
def add_options(self) -> None:
self.cmd_opts.add_option(
"--bash",
"-b",
action="store_const",
const="bash",
dest="shell",
help="Emit completion code for bash",
)
self.cmd_opts.add_option(
"--zsh",
"-z",
action="store_const",
const="zsh",
dest="shell",
help="Emit completion code for zsh",
)
self.cmd_opts.add_option(
"--fish",
"-f",
action="store_const",
const="fish",
dest="shell",
help="Emit completion code for fish",
)
self.cmd_opts.add_option(
"--powershell",
"-p",
action="store_const",
const="powershell",
dest="shell",
help="Emit completion code for powershell",
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
"""Prints the completion code of the given shell"""
shells = COMPLETION_SCRIPTS.keys()
shell_options = ["--" + shell for shell in sorted(shells)]
if options.shell in shells:
script = textwrap.dedent(
COMPLETION_SCRIPTS.get(options.shell, "").format(prog=get_prog())
)
print(BASE_COMPLETION.format(script=script, shell=options.shell))
return SUCCESS
else:
sys.stderr.write(
"ERROR: You must pass {}\n".format(" or ".join(shell_options))
)
return SUCCESS

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import logging
import os
import subprocess
from optparse import Values
from typing import Any, List, Optional
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.configuration import (
Configuration,
Kind,
get_configuration_files,
kinds,
)
from pip._internal.exceptions import PipError
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import get_prog, write_output
logger = logging.getLogger(__name__)
class ConfigurationCommand(Command):
"""
Manage local and global configuration.
Subcommands:
- list: List the active configuration (or from the file specified)
- edit: Edit the configuration file in an editor
- get: Get the value associated with command.option
- set: Set the command.option=value
- unset: Unset the value associated with command.option
- debug: List the configuration files and values defined under them
Configuration keys should be dot separated command and option name,
with the special prefix "global" affecting any command. For example,
"pip config set global.index-url https://example.org/" would configure
the index url for all commands, but "pip config set download.timeout 10"
would configure a 10 second timeout only for "pip download" commands.
If none of --user, --global and --site are passed, a virtual
environment configuration file is used if one is active and the file
exists. Otherwise, all modifications happen to the user file by
default.
"""
ignore_require_venv = True
usage = """
%prog [<file-option>] list
%prog [<file-option>] [--editor <editor-path>] edit
%prog [<file-option>] get command.option
%prog [<file-option>] set command.option value
%prog [<file-option>] unset command.option
%prog [<file-option>] debug
"""
def add_options(self) -> None:
self.cmd_opts.add_option(
"--editor",
dest="editor",
action="store",
default=None,
help=(
"Editor to use to edit the file. Uses VISUAL or EDITOR "
"environment variables if not provided."
),
)
self.cmd_opts.add_option(
"--global",
dest="global_file",
action="store_true",
default=False,
help="Use the system-wide configuration file only",
)
self.cmd_opts.add_option(
"--user",
dest="user_file",
action="store_true",
default=False,
help="Use the user configuration file only",
)
self.cmd_opts.add_option(
"--site",
dest="site_file",
action="store_true",
default=False,
help="Use the current environment configuration file only",
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
handlers = {
"list": self.list_values,
"edit": self.open_in_editor,
"get": self.get_name,
"set": self.set_name_value,
"unset": self.unset_name,
"debug": self.list_config_values,
}
# Determine action
if not args or args[0] not in handlers:
logger.error(
"Need an action (%s) to perform.",
", ".join(sorted(handlers)),
)
return ERROR
action = args[0]
# Determine which configuration files are to be loaded
# Depends on whether the command is modifying.
try:
load_only = self._determine_file(
options, need_value=(action in ["get", "set", "unset", "edit"])
)
except PipError as e:
logger.error(e.args[0])
return ERROR
# Load a new configuration
self.configuration = Configuration(
isolated=options.isolated_mode, load_only=load_only
)
self.configuration.load()
# Error handling happens here, not in the action-handlers.
try:
handlers[action](options, args[1:])
except PipError as e:
logger.error(e.args[0])
return ERROR
return SUCCESS
def _determine_file(self, options: Values, need_value: bool) -> Optional[Kind]:
file_options = [
key
for key, value in (
(kinds.USER, options.user_file),
(kinds.GLOBAL, options.global_file),
(kinds.SITE, options.site_file),
)
if value
]
if not file_options:
if not need_value:
return None
# Default to user, unless there's a site file.
elif any(
os.path.exists(site_config_file)
for site_config_file in get_configuration_files()[kinds.SITE]
):
return kinds.SITE
else:
return kinds.USER
elif len(file_options) == 1:
return file_options[0]
raise PipError(
"Need exactly one file to operate upon "
"(--user, --site, --global) to perform."
)
def list_values(self, options: Values, args: List[str]) -> None:
self._get_n_args(args, "list", n=0)
for key, value in sorted(self.configuration.items()):
write_output("%s=%r", key, value)
def get_name(self, options: Values, args: List[str]) -> None:
key = self._get_n_args(args, "get [name]", n=1)
value = self.configuration.get_value(key)
write_output("%s", value)
def set_name_value(self, options: Values, args: List[str]) -> None:
key, value = self._get_n_args(args, "set [name] [value]", n=2)
self.configuration.set_value(key, value)
self._save_configuration()
def unset_name(self, options: Values, args: List[str]) -> None:
key = self._get_n_args(args, "unset [name]", n=1)
self.configuration.unset_value(key)
self._save_configuration()
def list_config_values(self, options: Values, args: List[str]) -> None:
"""List config key-value pairs across different config files"""
self._get_n_args(args, "debug", n=0)
self.print_env_var_values()
# Iterate over config files and print if they exist, and the
# key-value pairs present in them if they do
for variant, files in sorted(self.configuration.iter_config_files()):
write_output("%s:", variant)
for fname in files:
with indent_log():
file_exists = os.path.exists(fname)
write_output("%s, exists: %r", fname, file_exists)
if file_exists:
self.print_config_file_values(variant)
def print_config_file_values(self, variant: Kind) -> None:
"""Get key-value pairs from the file of a variant"""
for name, value in self.configuration.get_values_in_config(variant).items():
with indent_log():
write_output("%s: %s", name, value)
def print_env_var_values(self) -> None:
"""Get key-values pairs present as environment variables"""
write_output("%s:", "env_var")
with indent_log():
for key, value in sorted(self.configuration.get_environ_vars()):
env_var = f"PIP_{key.upper()}"
write_output("%s=%r", env_var, value)
def open_in_editor(self, options: Values, args: List[str]) -> None:
editor = self._determine_editor(options)
fname = self.configuration.get_file_to_edit()
if fname is None:
raise PipError("Could not determine appropriate file.")
elif '"' in fname:
# This shouldn't happen, unless we see a username like that.
# If that happens, we'd appreciate a pull request fixing this.
raise PipError(
f'Can not open an editor for a file name containing "\n{fname}'
)
try:
subprocess.check_call(f'{editor} "{fname}"', shell=True)
except FileNotFoundError as e:
if not e.filename:
e.filename = editor
raise
except subprocess.CalledProcessError as e:
raise PipError(f"Editor Subprocess exited with exit code {e.returncode}")
def _get_n_args(self, args: List[str], example: str, n: int) -> Any:
"""Helper to make sure the command got the right number of arguments"""
if len(args) != n:
msg = (
f"Got unexpected number of arguments, expected {n}. "
f'(example: "{get_prog()} config {example}")'
)
raise PipError(msg)
if n == 1:
return args[0]
else:
return args
def _save_configuration(self) -> None:
# We successfully ran a modifying command. Need to save the
# configuration.
try:
self.configuration.save()
except Exception:
logger.exception(
"Unable to save configuration. Please report this as a bug."
)
raise PipError("Internal Error.")
def _determine_editor(self, options: Values) -> str:
if options.editor is not None:
return options.editor
elif "VISUAL" in os.environ:
return os.environ["VISUAL"]
elif "EDITOR" in os.environ:
return os.environ["EDITOR"]
else:
raise PipError("Could not determine editor to use.")

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import locale
import logging
import os
import sys
from optparse import Values
from types import ModuleType
from typing import Any, Dict, List, Optional
import pip._vendor
from pip._vendor.certifi import where
from pip._vendor.packaging.version import parse as parse_version
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import Command
from pip._internal.cli.cmdoptions import make_target_python
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.configuration import Configuration
from pip._internal.metadata import get_environment
from pip._internal.utils.compat import open_text_resource
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import get_pip_version
logger = logging.getLogger(__name__)
def show_value(name: str, value: Any) -> None:
logger.info("%s: %s", name, value)
def show_sys_implementation() -> None:
logger.info("sys.implementation:")
implementation_name = sys.implementation.name
with indent_log():
show_value("name", implementation_name)
def create_vendor_txt_map() -> Dict[str, str]:
with open_text_resource("pip._vendor", "vendor.txt") as f:
# Purge non version specifying lines.
# Also, remove any space prefix or suffixes (including comments).
lines = [
line.strip().split(" ", 1)[0] for line in f.readlines() if "==" in line
]
# Transform into "module" -> version dict.
return dict(line.split("==", 1) for line in lines)
def get_module_from_module_name(module_name: str) -> Optional[ModuleType]:
# Module name can be uppercase in vendor.txt for some reason...
module_name = module_name.lower().replace("-", "_")
# PATCH: setuptools is actually only pkg_resources.
if module_name == "setuptools":
module_name = "pkg_resources"
try:
__import__(f"pip._vendor.{module_name}", globals(), locals(), level=0)
return getattr(pip._vendor, module_name)
except ImportError:
# We allow 'truststore' to fail to import due
# to being unavailable on Python 3.9 and earlier.
if module_name == "truststore" and sys.version_info < (3, 10):
return None
raise
def get_vendor_version_from_module(module_name: str) -> Optional[str]:
module = get_module_from_module_name(module_name)
version = getattr(module, "__version__", None)
if module and not version:
# Try to find version in debundled module info.
assert module.__file__ is not None
env = get_environment([os.path.dirname(module.__file__)])
dist = env.get_distribution(module_name)
if dist:
version = str(dist.version)
return version
def show_actual_vendor_versions(vendor_txt_versions: Dict[str, str]) -> None:
"""Log the actual version and print extra info if there is
a conflict or if the actual version could not be imported.
"""
for module_name, expected_version in vendor_txt_versions.items():
extra_message = ""
actual_version = get_vendor_version_from_module(module_name)
if not actual_version:
extra_message = (
" (Unable to locate actual module version, using"
" vendor.txt specified version)"
)
actual_version = expected_version
elif parse_version(actual_version) != parse_version(expected_version):
extra_message = (
" (CONFLICT: vendor.txt suggests version should"
f" be {expected_version})"
)
logger.info("%s==%s%s", module_name, actual_version, extra_message)
def show_vendor_versions() -> None:
logger.info("vendored library versions:")
vendor_txt_versions = create_vendor_txt_map()
with indent_log():
show_actual_vendor_versions(vendor_txt_versions)
def show_tags(options: Values) -> None:
tag_limit = 10
target_python = make_target_python(options)
tags = target_python.get_sorted_tags()
# Display the target options that were explicitly provided.
formatted_target = target_python.format_given()
suffix = ""
if formatted_target:
suffix = f" (target: {formatted_target})"
msg = f"Compatible tags: {len(tags)}{suffix}"
logger.info(msg)
if options.verbose < 1 and len(tags) > tag_limit:
tags_limited = True
tags = tags[:tag_limit]
else:
tags_limited = False
with indent_log():
for tag in tags:
logger.info(str(tag))
if tags_limited:
msg = f"...\n[First {tag_limit} tags shown. Pass --verbose to show all.]"
logger.info(msg)
def ca_bundle_info(config: Configuration) -> str:
levels = {key.split(".", 1)[0] for key, _ in config.items()}
if not levels:
return "Not specified"
levels_that_override_global = ["install", "wheel", "download"]
global_overriding_level = [
level for level in levels if level in levels_that_override_global
]
if not global_overriding_level:
return "global"
if "global" in levels:
levels.remove("global")
return ", ".join(levels)
class DebugCommand(Command):
"""
Display debug information.
"""
usage = """
%prog <options>"""
ignore_require_venv = True
def add_options(self) -> None:
cmdoptions.add_target_python_options(self.cmd_opts)
self.parser.insert_option_group(0, self.cmd_opts)
self.parser.config.load()
def run(self, options: Values, args: List[str]) -> int:
logger.warning(
"This command is only meant for debugging. "
"Do not use this with automation for parsing and getting these "
"details, since the output and options of this command may "
"change without notice."
)
show_value("pip version", get_pip_version())
show_value("sys.version", sys.version)
show_value("sys.executable", sys.executable)
show_value("sys.getdefaultencoding", sys.getdefaultencoding())
show_value("sys.getfilesystemencoding", sys.getfilesystemencoding())
show_value(
"locale.getpreferredencoding",
locale.getpreferredencoding(),
)
show_value("sys.platform", sys.platform)
show_sys_implementation()
show_value("'cert' config value", ca_bundle_info(self.parser.config))
show_value("REQUESTS_CA_BUNDLE", os.environ.get("REQUESTS_CA_BUNDLE"))
show_value("CURL_CA_BUNDLE", os.environ.get("CURL_CA_BUNDLE"))
show_value("pip._vendor.certifi.where()", where())
show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
show_vendor_versions()
show_tags(options)
return SUCCESS

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import logging
import os
from optparse import Values
from typing import List
from pip._internal.cli import cmdoptions
from pip._internal.cli.cmdoptions import make_target_python
from pip._internal.cli.req_command import RequirementCommand, with_cleanup
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.operations.build.build_tracker import get_build_tracker
from pip._internal.req.req_install import check_legacy_setup_py_options
from pip._internal.utils.misc import ensure_dir, normalize_path, write_output
from pip._internal.utils.temp_dir import TempDirectory
logger = logging.getLogger(__name__)
class DownloadCommand(RequirementCommand):
"""
Download packages from:
- PyPI (and other indexes) using requirement specifiers.
- VCS project urls.
- Local project directories.
- Local or remote source archives.
pip also supports downloading from "requirements files", which provide
an easy way to specify a whole environment to be downloaded.
"""
usage = """
%prog [options] <requirement specifier> [package-index-options] ...
%prog [options] -r <requirements file> [package-index-options] ...
%prog [options] <vcs project url> ...
%prog [options] <local project path> ...
%prog [options] <archive url/path> ..."""
def add_options(self) -> None:
self.cmd_opts.add_option(cmdoptions.constraints())
self.cmd_opts.add_option(cmdoptions.requirements())
self.cmd_opts.add_option(cmdoptions.no_deps())
self.cmd_opts.add_option(cmdoptions.global_options())
self.cmd_opts.add_option(cmdoptions.no_binary())
self.cmd_opts.add_option(cmdoptions.only_binary())
self.cmd_opts.add_option(cmdoptions.prefer_binary())
self.cmd_opts.add_option(cmdoptions.src())
self.cmd_opts.add_option(cmdoptions.pre())
self.cmd_opts.add_option(cmdoptions.require_hashes())
self.cmd_opts.add_option(cmdoptions.progress_bar())
self.cmd_opts.add_option(cmdoptions.no_build_isolation())
self.cmd_opts.add_option(cmdoptions.use_pep517())
self.cmd_opts.add_option(cmdoptions.no_use_pep517())
self.cmd_opts.add_option(cmdoptions.check_build_deps())
self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
self.cmd_opts.add_option(
"-d",
"--dest",
"--destination-dir",
"--destination-directory",
dest="download_dir",
metavar="dir",
default=os.curdir,
help="Download packages into <dir>.",
)
cmdoptions.add_target_python_options(self.cmd_opts)
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, self.cmd_opts)
@with_cleanup
def run(self, options: Values, args: List[str]) -> int:
options.ignore_installed = True
# editable doesn't really make sense for `pip download`, but the bowels
# of the RequirementSet code require that property.
options.editables = []
cmdoptions.check_dist_restriction(options)
options.download_dir = normalize_path(options.download_dir)
ensure_dir(options.download_dir)
session = self.get_default_session(options)
target_python = make_target_python(options)
finder = self._build_package_finder(
options=options,
session=session,
target_python=target_python,
ignore_requires_python=options.ignore_requires_python,
)
build_tracker = self.enter_context(get_build_tracker())
directory = TempDirectory(
delete=not options.no_clean,
kind="download",
globally_managed=True,
)
reqs = self.get_requirements(args, options, finder, session)
check_legacy_setup_py_options(options, reqs)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
build_tracker=build_tracker,
session=session,
finder=finder,
download_dir=options.download_dir,
use_user_site=False,
verbosity=self.verbosity,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
options=options,
ignore_requires_python=options.ignore_requires_python,
use_pep517=options.use_pep517,
py_version_info=options.python_version,
)
self.trace_basic_info(finder)
requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
downloaded: List[str] = []
for req in requirement_set.requirements.values():
if req.satisfied_by is None:
assert req.name is not None
preparer.save_linked_requirement(req)
downloaded.append(req.name)
preparer.prepare_linked_requirements_more(requirement_set.requirements.values())
if downloaded:
write_output("Successfully downloaded %s", " ".join(downloaded))
return SUCCESS

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import sys
from optparse import Values
from typing import AbstractSet, List
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.operations.freeze import freeze
from pip._internal.utils.compat import stdlib_pkgs
def _should_suppress_build_backends() -> bool:
return sys.version_info < (3, 12)
def _dev_pkgs() -> AbstractSet[str]:
pkgs = {"pip"}
if _should_suppress_build_backends():
pkgs |= {"setuptools", "distribute", "wheel"}
return pkgs
class FreezeCommand(Command):
"""
Output installed packages in requirements format.
packages are listed in a case-insensitive sorted order.
"""
ignore_require_venv = True
usage = """
%prog [options]"""
log_streams = ("ext://sys.stderr", "ext://sys.stderr")
def add_options(self) -> None:
self.cmd_opts.add_option(
"-r",
"--requirement",
dest="requirements",
action="append",
default=[],
metavar="file",
help=(
"Use the order in the given requirements file and its "
"comments when generating output. This option can be "
"used multiple times."
),
)
self.cmd_opts.add_option(
"-l",
"--local",
dest="local",
action="store_true",
default=False,
help=(
"If in a virtualenv that has global access, do not output "
"globally-installed packages."
),
)
self.cmd_opts.add_option(
"--user",
dest="user",
action="store_true",
default=False,
help="Only output packages installed in user-site.",
)
self.cmd_opts.add_option(cmdoptions.list_path())
self.cmd_opts.add_option(
"--all",
dest="freeze_all",
action="store_true",
help=(
"Do not skip these packages in the output:"
" {}".format(", ".join(_dev_pkgs()))
),
)
self.cmd_opts.add_option(
"--exclude-editable",
dest="exclude_editable",
action="store_true",
help="Exclude editable package from output.",
)
self.cmd_opts.add_option(cmdoptions.list_exclude())
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
skip = set(stdlib_pkgs)
if not options.freeze_all:
skip.update(_dev_pkgs())
if options.excludes:
skip.update(options.excludes)
cmdoptions.check_list_path_option(options)
for line in freeze(
requirement=options.requirements,
local_only=options.local,
user_only=options.user,
paths=options.path,
isolated=options.isolated_mode,
skip=skip,
exclude_editable=options.exclude_editable,
):
sys.stdout.write(line + "\n")
return SUCCESS

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import hashlib
import logging
import sys
from optparse import Values
from typing import List
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
from pip._internal.utils.misc import read_chunks, write_output
logger = logging.getLogger(__name__)
class HashCommand(Command):
"""
Compute a hash of a local package archive.
These can be used with --hash in a requirements file to do repeatable
installs.
"""
usage = "%prog [options] <file> ..."
ignore_require_venv = True
def add_options(self) -> None:
self.cmd_opts.add_option(
"-a",
"--algorithm",
dest="algorithm",
choices=STRONG_HASHES,
action="store",
default=FAVORITE_HASH,
help="The hash algorithm to use: one of {}".format(
", ".join(STRONG_HASHES)
),
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
if not args:
self.parser.print_usage(sys.stderr)
return ERROR
algorithm = options.algorithm
for path in args:
write_output(
"%s:\n--hash=%s:%s", path, algorithm, _hash_of_file(path, algorithm)
)
return SUCCESS
def _hash_of_file(path: str, algorithm: str) -> str:
"""Return the hash digest of a file."""
with open(path, "rb") as archive:
hash = hashlib.new(algorithm)
for chunk in read_chunks(archive):
hash.update(chunk)
return hash.hexdigest()

41
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from optparse import Values
from typing import List
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import CommandError
class HelpCommand(Command):
"""Show help for commands"""
usage = """
%prog <command>"""
ignore_require_venv = True
def run(self, options: Values, args: List[str]) -> int:
from pip._internal.commands import (
commands_dict,
create_command,
get_similar_commands,
)
try:
# 'pip help' with no args is handled by pip.__init__.parseopt()
cmd_name = args[0] # the command we need help for
except IndexError:
return SUCCESS
if cmd_name not in commands_dict:
guess = get_similar_commands(cmd_name)
msg = [f'unknown command "{cmd_name}"']
if guess:
msg.append(f'maybe you meant "{guess}"')
raise CommandError(" - ".join(msg))
command = create_command(cmd_name)
command.parser.print_help()
return SUCCESS

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import logging
from optparse import Values
from typing import Any, Iterable, List, Optional
from pip._vendor.packaging.version import Version
from pip._internal.cli import cmdoptions
from pip._internal.cli.req_command import IndexGroupCommand
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.commands.search import print_dist_installation_info
from pip._internal.exceptions import CommandError, DistributionNotFound, PipError
from pip._internal.index.collector import LinkCollector
from pip._internal.index.package_finder import PackageFinder
from pip._internal.models.selection_prefs import SelectionPreferences
from pip._internal.models.target_python import TargetPython
from pip._internal.network.session import PipSession
from pip._internal.utils.misc import write_output
logger = logging.getLogger(__name__)
class IndexCommand(IndexGroupCommand):
"""
Inspect information available from package indexes.
"""
ignore_require_venv = True
usage = """
%prog versions <package>
"""
def add_options(self) -> None:
cmdoptions.add_target_python_options(self.cmd_opts)
self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
self.cmd_opts.add_option(cmdoptions.pre())
self.cmd_opts.add_option(cmdoptions.no_binary())
self.cmd_opts.add_option(cmdoptions.only_binary())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
handlers = {
"versions": self.get_available_package_versions,
}
logger.warning(
"pip index is currently an experimental command. "
"It may be removed/changed in a future release "
"without prior warning."
)
# Determine action
if not args or args[0] not in handlers:
logger.error(
"Need an action (%s) to perform.",
", ".join(sorted(handlers)),
)
return ERROR
action = args[0]
# Error handling happens here, not in the action-handlers.
try:
handlers[action](options, args[1:])
except PipError as e:
logger.error(e.args[0])
return ERROR
return SUCCESS
def _build_package_finder(
self,
options: Values,
session: PipSession,
target_python: Optional[TargetPython] = None,
ignore_requires_python: Optional[bool] = None,
) -> PackageFinder:
"""
Create a package finder appropriate to the index command.
"""
link_collector = LinkCollector.create(session, options=options)
# Pass allow_yanked=False to ignore yanked versions.
selection_prefs = SelectionPreferences(
allow_yanked=False,
allow_all_prereleases=options.pre,
ignore_requires_python=ignore_requires_python,
)
return PackageFinder.create(
link_collector=link_collector,
selection_prefs=selection_prefs,
target_python=target_python,
)
def get_available_package_versions(self, options: Values, args: List[Any]) -> None:
if len(args) != 1:
raise CommandError("You need to specify exactly one argument")
target_python = cmdoptions.make_target_python(options)
query = args[0]
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
target_python=target_python,
ignore_requires_python=options.ignore_requires_python,
)
versions: Iterable[Version] = (
candidate.version for candidate in finder.find_all_candidates(query)
)
if not options.pre:
# Remove prereleases
versions = (
version for version in versions if not version.is_prerelease
)
versions = set(versions)
if not versions:
raise DistributionNotFound(
f"No matching distribution found for {query}"
)
formatted_versions = [str(ver) for ver in sorted(versions, reverse=True)]
latest = formatted_versions[0]
write_output(f"{query} ({latest})")
write_output("Available versions: {}".format(", ".join(formatted_versions)))
print_dist_installation_info(query, latest)

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httpd/env/lib/python3.12/site-packages/pip/_internal/commands/inspect.py vendored
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@ -1,92 +0,0 @@
import logging
from optparse import Values
from typing import Any, Dict, List
from pip._vendor.packaging.markers import default_environment
from pip._vendor.rich import print_json
from pip import __version__
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.metadata import BaseDistribution, get_environment
from pip._internal.utils.compat import stdlib_pkgs
from pip._internal.utils.urls import path_to_url
logger = logging.getLogger(__name__)
class InspectCommand(Command):
"""
Inspect the content of a Python environment and produce a report in JSON format.
"""
ignore_require_venv = True
usage = """
%prog [options]"""
def add_options(self) -> None:
self.cmd_opts.add_option(
"--local",
action="store_true",
default=False,
help=(
"If in a virtualenv that has global access, do not list "
"globally-installed packages."
),
)
self.cmd_opts.add_option(
"--user",
dest="user",
action="store_true",
default=False,
help="Only output packages installed in user-site.",
)
self.cmd_opts.add_option(cmdoptions.list_path())
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
cmdoptions.check_list_path_option(options)
dists = get_environment(options.path).iter_installed_distributions(
local_only=options.local,
user_only=options.user,
skip=set(stdlib_pkgs),
)
output = {
"version": "1",
"pip_version": __version__,
"installed": [self._dist_to_dict(dist) for dist in dists],
"environment": default_environment(),
# TODO tags? scheme?
}
print_json(data=output)
return SUCCESS
def _dist_to_dict(self, dist: BaseDistribution) -> Dict[str, Any]:
res: Dict[str, Any] = {
"metadata": dist.metadata_dict,
"metadata_location": dist.info_location,
}
# direct_url. Note that we don't have download_info (as in the installation
# report) since it is not recorded in installed metadata.
direct_url = dist.direct_url
if direct_url is not None:
res["direct_url"] = direct_url.to_dict()
else:
# Emulate direct_url for legacy editable installs.
editable_project_location = dist.editable_project_location
if editable_project_location is not None:
res["direct_url"] = {
"url": path_to_url(editable_project_location),
"dir_info": {
"editable": True,
},
}
# installer
installer = dist.installer
if dist.installer:
res["installer"] = installer
# requested
if dist.installed_with_dist_info:
res["requested"] = dist.requested
return res

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import errno
import json
import operator
import os
import shutil
import site
from optparse import SUPPRESS_HELP, Values
from typing import List, Optional
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.rich import print_json
# Eagerly import self_outdated_check to avoid crashes. Otherwise,
# this module would be imported *after* pip was replaced, resulting
# in crashes if the new self_outdated_check module was incompatible
# with the rest of pip that's already imported, or allowing a
# wheel to execute arbitrary code on install by replacing
# self_outdated_check.
import pip._internal.self_outdated_check # noqa: F401
from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.cmdoptions import make_target_python
from pip._internal.cli.req_command import (
RequirementCommand,
with_cleanup,
)
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.exceptions import CommandError, InstallationError
from pip._internal.locations import get_scheme
from pip._internal.metadata import get_environment
from pip._internal.models.installation_report import InstallationReport
from pip._internal.operations.build.build_tracker import get_build_tracker
from pip._internal.operations.check import ConflictDetails, check_install_conflicts
from pip._internal.req import install_given_reqs
from pip._internal.req.req_install import (
InstallRequirement,
check_legacy_setup_py_options,
)
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.filesystem import test_writable_dir
from pip._internal.utils.logging import getLogger
from pip._internal.utils.misc import (
check_externally_managed,
ensure_dir,
get_pip_version,
protect_pip_from_modification_on_windows,
warn_if_run_as_root,
write_output,
)
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.virtualenv import (
running_under_virtualenv,
virtualenv_no_global,
)
from pip._internal.wheel_builder import build, should_build_for_install_command
logger = getLogger(__name__)
class InstallCommand(RequirementCommand):
"""
Install packages from:
- PyPI (and other indexes) using requirement specifiers.
- VCS project urls.
- Local project directories.
- Local or remote source archives.
pip also supports installing from "requirements files", which provide
an easy way to specify a whole environment to be installed.
"""
usage = """
%prog [options] <requirement specifier> [package-index-options] ...
%prog [options] -r <requirements file> [package-index-options] ...
%prog [options] [-e] <vcs project url> ...
%prog [options] [-e] <local project path> ...
%prog [options] <archive url/path> ..."""
def add_options(self) -> None:
self.cmd_opts.add_option(cmdoptions.requirements())
self.cmd_opts.add_option(cmdoptions.constraints())
self.cmd_opts.add_option(cmdoptions.no_deps())
self.cmd_opts.add_option(cmdoptions.pre())
self.cmd_opts.add_option(cmdoptions.editable())
self.cmd_opts.add_option(
"--dry-run",
action="store_true",
dest="dry_run",
default=False,
help=(
"Don't actually install anything, just print what would be. "
"Can be used in combination with --ignore-installed "
"to 'resolve' the requirements."
),
)
self.cmd_opts.add_option(
"-t",
"--target",
dest="target_dir",
metavar="dir",
default=None,
help=(
"Install packages into <dir>. "
"By default this will not replace existing files/folders in "
"<dir>. Use --upgrade to replace existing packages in <dir> "
"with new versions."
),
)
cmdoptions.add_target_python_options(self.cmd_opts)
self.cmd_opts.add_option(
"--user",
dest="use_user_site",
action="store_true",
help=(
"Install to the Python user install directory for your "
"platform. Typically ~/.local/, or %APPDATA%\\Python on "
"Windows. (See the Python documentation for site.USER_BASE "
"for full details.)"
),
)
self.cmd_opts.add_option(
"--no-user",
dest="use_user_site",
action="store_false",
help=SUPPRESS_HELP,
)
self.cmd_opts.add_option(
"--root",
dest="root_path",
metavar="dir",
default=None,
help="Install everything relative to this alternate root directory.",
)
self.cmd_opts.add_option(
"--prefix",
dest="prefix_path",
metavar="dir",
default=None,
help=(
"Installation prefix where lib, bin and other top-level "
"folders are placed. Note that the resulting installation may "
"contain scripts and other resources which reference the "
"Python interpreter of pip, and not that of ``--prefix``. "
"See also the ``--python`` option if the intention is to "
"install packages into another (possibly pip-free) "
"environment."
),
)
self.cmd_opts.add_option(cmdoptions.src())
self.cmd_opts.add_option(
"-U",
"--upgrade",
dest="upgrade",
action="store_true",
help=(
"Upgrade all specified packages to the newest available "
"version. The handling of dependencies depends on the "
"upgrade-strategy used."
),
)
self.cmd_opts.add_option(
"--upgrade-strategy",
dest="upgrade_strategy",
default="only-if-needed",
choices=["only-if-needed", "eager"],
help=(
"Determines how dependency upgrading should be handled "
"[default: %default]. "
'"eager" - dependencies are upgraded regardless of '
"whether the currently installed version satisfies the "
"requirements of the upgraded package(s). "
'"only-if-needed" - are upgraded only when they do not '
"satisfy the requirements of the upgraded package(s)."
),
)
self.cmd_opts.add_option(
"--force-reinstall",
dest="force_reinstall",
action="store_true",
help="Reinstall all packages even if they are already up-to-date.",
)
self.cmd_opts.add_option(
"-I",
"--ignore-installed",
dest="ignore_installed",
action="store_true",
help=(
"Ignore the installed packages, overwriting them. "
"This can break your system if the existing package "
"is of a different version or was installed "
"with a different package manager!"
),
)
self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
self.cmd_opts.add_option(cmdoptions.no_build_isolation())
self.cmd_opts.add_option(cmdoptions.use_pep517())
self.cmd_opts.add_option(cmdoptions.no_use_pep517())
self.cmd_opts.add_option(cmdoptions.check_build_deps())
self.cmd_opts.add_option(cmdoptions.override_externally_managed())
self.cmd_opts.add_option(cmdoptions.config_settings())
self.cmd_opts.add_option(cmdoptions.global_options())
self.cmd_opts.add_option(
"--compile",
action="store_true",
dest="compile",
default=True,
help="Compile Python source files to bytecode",
)
self.cmd_opts.add_option(
"--no-compile",
action="store_false",
dest="compile",
help="Do not compile Python source files to bytecode",
)
self.cmd_opts.add_option(
"--no-warn-script-location",
action="store_false",
dest="warn_script_location",
default=True,
help="Do not warn when installing scripts outside PATH",
)
self.cmd_opts.add_option(
"--no-warn-conflicts",
action="store_false",
dest="warn_about_conflicts",
default=True,
help="Do not warn about broken dependencies",
)
self.cmd_opts.add_option(cmdoptions.no_binary())
self.cmd_opts.add_option(cmdoptions.only_binary())
self.cmd_opts.add_option(cmdoptions.prefer_binary())
self.cmd_opts.add_option(cmdoptions.require_hashes())
self.cmd_opts.add_option(cmdoptions.progress_bar())
self.cmd_opts.add_option(cmdoptions.root_user_action())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, self.cmd_opts)
self.cmd_opts.add_option(
"--report",
dest="json_report_file",
metavar="file",
default=None,
help=(
"Generate a JSON file describing what pip did to install "
"the provided requirements. "
"Can be used in combination with --dry-run and --ignore-installed "
"to 'resolve' the requirements. "
"When - is used as file name it writes to stdout. "
"When writing to stdout, please combine with the --quiet option "
"to avoid mixing pip logging output with JSON output."
),
)
@with_cleanup
def run(self, options: Values, args: List[str]) -> int:
if options.use_user_site and options.target_dir is not None:
raise CommandError("Can not combine '--user' and '--target'")
# Check whether the environment we're installing into is externally
# managed, as specified in PEP 668. Specifying --root, --target, or
# --prefix disables the check, since there's no reliable way to locate
# the EXTERNALLY-MANAGED file for those cases. An exception is also
# made specifically for "--dry-run --report" for convenience.
installing_into_current_environment = (
not (options.dry_run and options.json_report_file)
and options.root_path is None
and options.target_dir is None
and options.prefix_path is None
)
if (
installing_into_current_environment
and not options.override_externally_managed
):
check_externally_managed()
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
cmdoptions.check_dist_restriction(options, check_target=True)
logger.verbose("Using %s", get_pip_version())
options.use_user_site = decide_user_install(
options.use_user_site,
prefix_path=options.prefix_path,
target_dir=options.target_dir,
root_path=options.root_path,
isolated_mode=options.isolated_mode,
)
target_temp_dir: Optional[TempDirectory] = None
target_temp_dir_path: Optional[str] = None
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (
# fmt: off
os.path.exists(options.target_dir) and
not os.path.isdir(options.target_dir)
# fmt: on
):
raise CommandError(
"Target path exists but is not a directory, will not continue."
)
# Create a target directory for using with the target option
target_temp_dir = TempDirectory(kind="target")
target_temp_dir_path = target_temp_dir.path
self.enter_context(target_temp_dir)
global_options = options.global_options or []
session = self.get_default_session(options)
target_python = make_target_python(options)
finder = self._build_package_finder(
options=options,
session=session,
target_python=target_python,
ignore_requires_python=options.ignore_requires_python,
)
build_tracker = self.enter_context(get_build_tracker())
directory = TempDirectory(
delete=not options.no_clean,
kind="install",
globally_managed=True,
)
try:
reqs = self.get_requirements(args, options, finder, session)
check_legacy_setup_py_options(options, reqs)
wheel_cache = WheelCache(options.cache_dir)
# Only when installing is it permitted to use PEP 660.
# In other circumstances (pip wheel, pip download) we generate
# regular (i.e. non editable) metadata and wheels.
for req in reqs:
req.permit_editable_wheels = True
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
build_tracker=build_tracker,
session=session,
finder=finder,
use_user_site=options.use_user_site,
verbosity=self.verbosity,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
options=options,
wheel_cache=wheel_cache,
use_user_site=options.use_user_site,
ignore_installed=options.ignore_installed,
ignore_requires_python=options.ignore_requires_python,
force_reinstall=options.force_reinstall,
upgrade_strategy=upgrade_strategy,
use_pep517=options.use_pep517,
py_version_info=options.python_version,
)
self.trace_basic_info(finder)
requirement_set = resolver.resolve(
reqs, check_supported_wheels=not options.target_dir
)
if options.json_report_file:
report = InstallationReport(requirement_set.requirements_to_install)
if options.json_report_file == "-":
print_json(data=report.to_dict())
else:
with open(options.json_report_file, "w", encoding="utf-8") as f:
json.dump(report.to_dict(), f, indent=2, ensure_ascii=False)
if options.dry_run:
would_install_items = sorted(
(r.metadata["name"], r.metadata["version"])
for r in requirement_set.requirements_to_install
)
if would_install_items:
write_output(
"Would install %s",
" ".join("-".join(item) for item in would_install_items),
)
return SUCCESS
try:
pip_req = requirement_set.get_requirement("pip")
except KeyError:
modifying_pip = False
else:
# If we're not replacing an already installed pip,
# we're not modifying it.
modifying_pip = pip_req.satisfied_by is None
protect_pip_from_modification_on_windows(modifying_pip=modifying_pip)
reqs_to_build = [
r
for r in requirement_set.requirements.values()
if should_build_for_install_command(r)
]
_, build_failures = build(
reqs_to_build,
wheel_cache=wheel_cache,
verify=True,
build_options=[],
global_options=global_options,
)
if build_failures:
raise InstallationError(
"Failed to build installable wheels for some "
"pyproject.toml based projects ({})".format(
", ".join(r.name for r in build_failures) # type: ignore
)
)
to_install = resolver.get_installation_order(requirement_set)
# Check for conflicts in the package set we're installing.
conflicts: Optional[ConflictDetails] = None
should_warn_about_conflicts = (
not options.ignore_dependencies and options.warn_about_conflicts
)
if should_warn_about_conflicts:
conflicts = self._determine_conflicts(to_install)
# Don't warn about script install locations if
# --target or --prefix has been specified
warn_script_location = options.warn_script_location
if options.target_dir or options.prefix_path:
warn_script_location = False
installed = install_given_reqs(
to_install,
global_options,
root=options.root_path,
home=target_temp_dir_path,
prefix=options.prefix_path,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
pycompile=options.compile,
)
lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir_path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
env = get_environment(lib_locations)
# Display a summary of installed packages, with extra care to
# display a package name as it was requested by the user.
installed.sort(key=operator.attrgetter("name"))
summary = []
installed_versions = {}
for distribution in env.iter_all_distributions():
installed_versions[distribution.canonical_name] = distribution.version
for package in installed:
display_name = package.name
version = installed_versions.get(canonicalize_name(display_name), None)
if version:
text = f"{display_name}-{version}"
else:
text = display_name
summary.append(text)
if conflicts is not None:
self._warn_about_conflicts(
conflicts,
resolver_variant=self.determine_resolver_variant(options),
)
installed_desc = " ".join(summary)
if installed_desc:
write_output(
"Successfully installed %s",
installed_desc,
)
except OSError as error:
show_traceback = self.verbosity >= 1
message = create_os_error_message(
error,
show_traceback,
options.use_user_site,
)
logger.error(message, exc_info=show_traceback)
return ERROR
if options.target_dir:
assert target_temp_dir
self._handle_target_dir(
options.target_dir, target_temp_dir, options.upgrade
)
if options.root_user_action == "warn":
warn_if_run_as_root()
return SUCCESS
def _handle_target_dir(
self, target_dir: str, target_temp_dir: TempDirectory, upgrade: bool
) -> None:
ensure_dir(target_dir)
# Checking both purelib and platlib directories for installed
# packages to be moved to target directory
lib_dir_list = []
# Checking both purelib and platlib directories for installed
# packages to be moved to target directory
scheme = get_scheme("", home=target_temp_dir.path)
purelib_dir = scheme.purelib
platlib_dir = scheme.platlib
data_dir = scheme.data
if os.path.exists(purelib_dir):
lib_dir_list.append(purelib_dir)
if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
lib_dir_list.append(platlib_dir)
if os.path.exists(data_dir):
lib_dir_list.append(data_dir)
for lib_dir in lib_dir_list:
for item in os.listdir(lib_dir):
if lib_dir == data_dir:
ddir = os.path.join(data_dir, item)
if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
continue
target_item_dir = os.path.join(target_dir, item)
if os.path.exists(target_item_dir):
if not upgrade:
logger.warning(
"Target directory %s already exists. Specify "
"--upgrade to force replacement.",
target_item_dir,
)
continue
if os.path.islink(target_item_dir):
logger.warning(
"Target directory %s already exists and is "
"a link. pip will not automatically replace "
"links, please remove if replacement is "
"desired.",
target_item_dir,
)
continue
if os.path.isdir(target_item_dir):
shutil.rmtree(target_item_dir)
else:
os.remove(target_item_dir)
shutil.move(os.path.join(lib_dir, item), target_item_dir)
def _determine_conflicts(
self, to_install: List[InstallRequirement]
) -> Optional[ConflictDetails]:
try:
return check_install_conflicts(to_install)
except Exception:
logger.exception(
"Error while checking for conflicts. Please file an issue on "
"pip's issue tracker: https://github.com/pypa/pip/issues/new"
)
return None
def _warn_about_conflicts(
self, conflict_details: ConflictDetails, resolver_variant: str
) -> None:
package_set, (missing, conflicting) = conflict_details
if not missing and not conflicting:
return
parts: List[str] = []
if resolver_variant == "legacy":
parts.append(
"pip's legacy dependency resolver does not consider dependency "
"conflicts when selecting packages. This behaviour is the "
"source of the following dependency conflicts."
)
else:
assert resolver_variant == "resolvelib"
parts.append(
"pip's dependency resolver does not currently take into account "
"all the packages that are installed. This behaviour is the "
"source of the following dependency conflicts."
)
# NOTE: There is some duplication here, with commands/check.py
for project_name in missing:
version = package_set[project_name][0]
for dependency in missing[project_name]:
message = (
f"{project_name} {version} requires {dependency[1]}, "
"which is not installed."
)
parts.append(message)
for project_name in conflicting:
version = package_set[project_name][0]
for dep_name, dep_version, req in conflicting[project_name]:
message = (
"{name} {version} requires {requirement}, but {you} have "
"{dep_name} {dep_version} which is incompatible."
).format(
name=project_name,
version=version,
requirement=req,
dep_name=dep_name,
dep_version=dep_version,
you=("you" if resolver_variant == "resolvelib" else "you'll"),
)
parts.append(message)
logger.critical("\n".join(parts))
def get_lib_location_guesses(
user: bool = False,
home: Optional[str] = None,
root: Optional[str] = None,
isolated: bool = False,
prefix: Optional[str] = None,
) -> List[str]:
scheme = get_scheme(
"",
user=user,
home=home,
root=root,
isolated=isolated,
prefix=prefix,
)
return [scheme.purelib, scheme.platlib]
def site_packages_writable(root: Optional[str], isolated: bool) -> bool:
return all(
test_writable_dir(d)
for d in set(get_lib_location_guesses(root=root, isolated=isolated))
)
def decide_user_install(
use_user_site: Optional[bool],
prefix_path: Optional[str] = None,
target_dir: Optional[str] = None,
root_path: Optional[str] = None,
isolated_mode: bool = False,
) -> bool:
"""Determine whether to do a user install based on the input options.
If use_user_site is False, no additional checks are done.
If use_user_site is True, it is checked for compatibility with other
options.
If use_user_site is None, the default behaviour depends on the environment,
which is provided by the other arguments.
"""
# In some cases (config from tox), use_user_site can be set to an integer
# rather than a bool, which 'use_user_site is False' wouldn't catch.
if (use_user_site is not None) and (not use_user_site):
logger.debug("Non-user install by explicit request")
return False
if use_user_site:
if prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations"
)
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv."
)
logger.debug("User install by explicit request")
return True
# If we are here, user installs have not been explicitly requested/avoided
assert use_user_site is None
# user install incompatible with --prefix/--target
if prefix_path or target_dir:
logger.debug("Non-user install due to --prefix or --target option")
return False
# If user installs are not enabled, choose a non-user install
if not site.ENABLE_USER_SITE:
logger.debug("Non-user install because user site-packages disabled")
return False
# If we have permission for a non-user install, do that,
# otherwise do a user install.
if site_packages_writable(root=root_path, isolated=isolated_mode):
logger.debug("Non-user install because site-packages writeable")
return False
logger.info(
"Defaulting to user installation because normal site-packages "
"is not writeable"
)
return True
def create_os_error_message(
error: OSError, show_traceback: bool, using_user_site: bool
) -> str:
"""Format an error message for an OSError
It may occur anytime during the execution of the install command.
"""
parts = []
# Mention the error if we are not going to show a traceback
parts.append("Could not install packages due to an OSError")
if not show_traceback:
parts.append(": ")
parts.append(str(error))
else:
parts.append(".")
# Spilt the error indication from a helper message (if any)
parts[-1] += "\n"
# Suggest useful actions to the user:
# (1) using user site-packages or (2) verifying the permissions
if error.errno == errno.EACCES:
user_option_part = "Consider using the `--user` option"
permissions_part = "Check the permissions"
if not running_under_virtualenv() and not using_user_site:
parts.extend(
[
user_option_part,
" or ",
permissions_part.lower(),
]
)
else:
parts.append(permissions_part)
parts.append(".\n")
# Suggest the user to enable Long Paths if path length is
# more than 260
if (
WINDOWS
and error.errno == errno.ENOENT
and error.filename
and len(error.filename) > 260
):
parts.append(
"HINT: This error might have occurred since "
"this system does not have Windows Long Path "
"support enabled. You can find information on "
"how to enable this at "
"https://pip.pypa.io/warnings/enable-long-paths\n"
)
return "".join(parts).strip() + "\n"

375
httpd/env/lib/python3.12/site-packages/pip/_internal/commands/list.py vendored
View file

@ -1,375 +0,0 @@
import json
import logging
from optparse import Values
from typing import TYPE_CHECKING, Generator, List, Optional, Sequence, Tuple, cast
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.packaging.version import Version
from pip._internal.cli import cmdoptions
from pip._internal.cli.index_command import IndexGroupCommand
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import CommandError
from pip._internal.metadata import BaseDistribution, get_environment
from pip._internal.models.selection_prefs import SelectionPreferences
from pip._internal.utils.compat import stdlib_pkgs
from pip._internal.utils.misc import tabulate, write_output
if TYPE_CHECKING:
from pip._internal.index.package_finder import PackageFinder
from pip._internal.network.session import PipSession
class _DistWithLatestInfo(BaseDistribution):
"""Give the distribution object a couple of extra fields.
These will be populated during ``get_outdated()``. This is dirty but
makes the rest of the code much cleaner.
"""
latest_version: Version
latest_filetype: str
_ProcessedDists = Sequence[_DistWithLatestInfo]
logger = logging.getLogger(__name__)
class ListCommand(IndexGroupCommand):
"""
List installed packages, including editables.
Packages are listed in a case-insensitive sorted order.
"""
ignore_require_venv = True
usage = """
%prog [options]"""
def add_options(self) -> None:
self.cmd_opts.add_option(
"-o",
"--outdated",
action="store_true",
default=False,
help="List outdated packages",
)
self.cmd_opts.add_option(
"-u",
"--uptodate",
action="store_true",
default=False,
help="List uptodate packages",
)
self.cmd_opts.add_option(
"-e",
"--editable",
action="store_true",
default=False,
help="List editable projects.",
)
self.cmd_opts.add_option(
"-l",
"--local",
action="store_true",
default=False,
help=(
"If in a virtualenv that has global access, do not list "
"globally-installed packages."
),
)
self.cmd_opts.add_option(
"--user",
dest="user",
action="store_true",
default=False,
help="Only output packages installed in user-site.",
)
self.cmd_opts.add_option(cmdoptions.list_path())
self.cmd_opts.add_option(
"--pre",
action="store_true",
default=False,
help=(
"Include pre-release and development versions. By default, "
"pip only finds stable versions."
),
)
self.cmd_opts.add_option(
"--format",
action="store",
dest="list_format",
default="columns",
choices=("columns", "freeze", "json"),
help=(
"Select the output format among: columns (default), freeze, or json. "
"The 'freeze' format cannot be used with the --outdated option."
),
)
self.cmd_opts.add_option(
"--not-required",
action="store_true",
dest="not_required",
help="List packages that are not dependencies of installed packages.",
)
self.cmd_opts.add_option(
"--exclude-editable",
action="store_false",
dest="include_editable",
help="Exclude editable package from output.",
)
self.cmd_opts.add_option(
"--include-editable",
action="store_true",
dest="include_editable",
help="Include editable package from output.",
default=True,
)
self.cmd_opts.add_option(cmdoptions.list_exclude())
index_opts = cmdoptions.make_option_group(cmdoptions.index_group, self.parser)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, self.cmd_opts)
def handle_pip_version_check(self, options: Values) -> None:
if options.outdated or options.uptodate:
super().handle_pip_version_check(options)
def _build_package_finder(
self, options: Values, session: "PipSession"
) -> "PackageFinder":
"""
Create a package finder appropriate to this list command.
"""
# Lazy import the heavy index modules as most list invocations won't need 'em.
from pip._internal.index.collector import LinkCollector
from pip._internal.index.package_finder import PackageFinder
link_collector = LinkCollector.create(session, options=options)
# Pass allow_yanked=False to ignore yanked versions.
selection_prefs = SelectionPreferences(
allow_yanked=False,
allow_all_prereleases=options.pre,
)
return PackageFinder.create(
link_collector=link_collector,
selection_prefs=selection_prefs,
)
def run(self, options: Values, args: List[str]) -> int:
if options.outdated and options.uptodate:
raise CommandError("Options --outdated and --uptodate cannot be combined.")
if options.outdated and options.list_format == "freeze":
raise CommandError(
"List format 'freeze' cannot be used with the --outdated option."
)
cmdoptions.check_list_path_option(options)
skip = set(stdlib_pkgs)
if options.excludes:
skip.update(canonicalize_name(n) for n in options.excludes)
packages: _ProcessedDists = [
cast("_DistWithLatestInfo", d)
for d in get_environment(options.path).iter_installed_distributions(
local_only=options.local,
user_only=options.user,
editables_only=options.editable,
include_editables=options.include_editable,
skip=skip,
)
]
# get_not_required must be called firstly in order to find and
# filter out all dependencies correctly. Otherwise a package
# can't be identified as requirement because some parent packages
# could be filtered out before.
if options.not_required:
packages = self.get_not_required(packages, options)
if options.outdated:
packages = self.get_outdated(packages, options)
elif options.uptodate:
packages = self.get_uptodate(packages, options)
self.output_package_listing(packages, options)
return SUCCESS
def get_outdated(
self, packages: "_ProcessedDists", options: Values
) -> "_ProcessedDists":
return [
dist
for dist in self.iter_packages_latest_infos(packages, options)
if dist.latest_version > dist.version
]
def get_uptodate(
self, packages: "_ProcessedDists", options: Values
) -> "_ProcessedDists":
return [
dist
for dist in self.iter_packages_latest_infos(packages, options)
if dist.latest_version == dist.version
]
def get_not_required(
self, packages: "_ProcessedDists", options: Values
) -> "_ProcessedDists":
dep_keys = {
canonicalize_name(dep.name)
for dist in packages
for dep in (dist.iter_dependencies() or ())
}
# Create a set to remove duplicate packages, and cast it to a list
# to keep the return type consistent with get_outdated and
# get_uptodate
return list({pkg for pkg in packages if pkg.canonical_name not in dep_keys})
def iter_packages_latest_infos(
self, packages: "_ProcessedDists", options: Values
) -> Generator["_DistWithLatestInfo", None, None]:
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
def latest_info(
dist: "_DistWithLatestInfo",
) -> Optional["_DistWithLatestInfo"]:
all_candidates = finder.find_all_candidates(dist.canonical_name)
if not options.pre:
# Remove prereleases
all_candidates = [
candidate
for candidate in all_candidates
if not candidate.version.is_prerelease
]
evaluator = finder.make_candidate_evaluator(
project_name=dist.canonical_name,
)
best_candidate = evaluator.sort_best_candidate(all_candidates)
if best_candidate is None:
return None
remote_version = best_candidate.version
if best_candidate.link.is_wheel:
typ = "wheel"
else:
typ = "sdist"
dist.latest_version = remote_version
dist.latest_filetype = typ
return dist
for dist in map(latest_info, packages):
if dist is not None:
yield dist
def output_package_listing(
self, packages: "_ProcessedDists", options: Values
) -> None:
packages = sorted(
packages,
key=lambda dist: dist.canonical_name,
)
if options.list_format == "columns" and packages:
data, header = format_for_columns(packages, options)
self.output_package_listing_columns(data, header)
elif options.list_format == "freeze":
for dist in packages:
if options.verbose >= 1:
write_output(
"%s==%s (%s)", dist.raw_name, dist.version, dist.location
)
else:
write_output("%s==%s", dist.raw_name, dist.version)
elif options.list_format == "json":
write_output(format_for_json(packages, options))
def output_package_listing_columns(
self, data: List[List[str]], header: List[str]
) -> None:
# insert the header first: we need to know the size of column names
if len(data) > 0:
data.insert(0, header)
pkg_strings, sizes = tabulate(data)
# Create and add a separator.
if len(data) > 0:
pkg_strings.insert(1, " ".join("-" * x for x in sizes))
for val in pkg_strings:
write_output(val)
def format_for_columns(
pkgs: "_ProcessedDists", options: Values
) -> Tuple[List[List[str]], List[str]]:
"""
Convert the package data into something usable
by output_package_listing_columns.
"""
header = ["Package", "Version"]
running_outdated = options.outdated
if running_outdated:
header.extend(["Latest", "Type"])
has_editables = any(x.editable for x in pkgs)
if has_editables:
header.append("Editable project location")
if options.verbose >= 1:
header.append("Location")
if options.verbose >= 1:
header.append("Installer")
data = []
for proj in pkgs:
# if we're working on the 'outdated' list, separate out the
# latest_version and type
row = [proj.raw_name, proj.raw_version]
if running_outdated:
row.append(str(proj.latest_version))
row.append(proj.latest_filetype)
if has_editables:
row.append(proj.editable_project_location or "")
if options.verbose >= 1:
row.append(proj.location or "")
if options.verbose >= 1:
row.append(proj.installer)
data.append(row)
return data, header
def format_for_json(packages: "_ProcessedDists", options: Values) -> str:
data = []
for dist in packages:
info = {
"name": dist.raw_name,
"version": str(dist.version),
}
if options.verbose >= 1:
info["location"] = dist.location or ""
info["installer"] = dist.installer
if options.outdated:
info["latest_version"] = str(dist.latest_version)
info["latest_filetype"] = dist.latest_filetype
editable_project_location = dist.editable_project_location
if editable_project_location:
info["editable_project_location"] = editable_project_location
data.append(info)
return json.dumps(data)

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import logging
import shutil
import sys
import textwrap
import xmlrpc.client
from collections import OrderedDict
from optparse import Values
from typing import TYPE_CHECKING, Dict, List, Optional, TypedDict
from pip._vendor.packaging.version import parse as parse_version
from pip._internal.cli.base_command import Command
from pip._internal.cli.req_command import SessionCommandMixin
from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
from pip._internal.exceptions import CommandError
from pip._internal.metadata import get_default_environment
from pip._internal.models.index import PyPI
from pip._internal.network.xmlrpc import PipXmlrpcTransport
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import write_output
if TYPE_CHECKING:
class TransformedHit(TypedDict):
name: str
summary: str
versions: List[str]
logger = logging.getLogger(__name__)
class SearchCommand(Command, SessionCommandMixin):
"""Search for PyPI packages whose name or summary contains <query>."""
usage = """
%prog [options] <query>"""
ignore_require_venv = True
def add_options(self) -> None:
self.cmd_opts.add_option(
"-i",
"--index",
dest="index",
metavar="URL",
default=PyPI.pypi_url,
help="Base URL of Python Package Index (default %default)",
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
if not args:
raise CommandError("Missing required argument (search query).")
query = args
pypi_hits = self.search(query, options)
hits = transform_hits(pypi_hits)
terminal_width = None
if sys.stdout.isatty():
terminal_width = shutil.get_terminal_size()[0]
print_results(hits, terminal_width=terminal_width)
if pypi_hits:
return SUCCESS
return NO_MATCHES_FOUND
def search(self, query: List[str], options: Values) -> List[Dict[str, str]]:
index_url = options.index
session = self.get_default_session(options)
transport = PipXmlrpcTransport(index_url, session)
pypi = xmlrpc.client.ServerProxy(index_url, transport)
try:
hits = pypi.search({"name": query, "summary": query}, "or")
except xmlrpc.client.Fault as fault:
message = (
f"XMLRPC request failed [code: {fault.faultCode}]\n{fault.faultString}"
)
raise CommandError(message)
assert isinstance(hits, list)
return hits
def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]:
"""
The list from pypi is really a list of versions. We want a list of
packages with the list of versions stored inline. This converts the
list from pypi into one we can use.
"""
packages: Dict[str, TransformedHit] = OrderedDict()
for hit in hits:
name = hit["name"]
summary = hit["summary"]
version = hit["version"]
if name not in packages.keys():
packages[name] = {
"name": name,
"summary": summary,
"versions": [version],
}
else:
packages[name]["versions"].append(version)
# if this is the highest version, replace summary and score
if version == highest_version(packages[name]["versions"]):
packages[name]["summary"] = summary
return list(packages.values())
def print_dist_installation_info(name: str, latest: str) -> None:
env = get_default_environment()
dist = env.get_distribution(name)
if dist is not None:
with indent_log():
if dist.version == latest:
write_output("INSTALLED: %s (latest)", dist.version)
else:
write_output("INSTALLED: %s", dist.version)
if parse_version(latest).pre:
write_output(
"LATEST: %s (pre-release; install"
" with `pip install --pre`)",
latest,
)
else:
write_output("LATEST: %s", latest)
def print_results(
hits: List["TransformedHit"],
name_column_width: Optional[int] = None,
terminal_width: Optional[int] = None,
) -> None:
if not hits:
return
if name_column_width is None:
name_column_width = (
max(
[
len(hit["name"]) + len(highest_version(hit.get("versions", ["-"])))
for hit in hits
]
)
+ 4
)
for hit in hits:
name = hit["name"]
summary = hit["summary"] or ""
latest = highest_version(hit.get("versions", ["-"]))
if terminal_width is not None:
target_width = terminal_width - name_column_width - 5
if target_width > 10:
# wrap and indent summary to fit terminal
summary_lines = textwrap.wrap(summary, target_width)
summary = ("\n" + " " * (name_column_width + 3)).join(summary_lines)
name_latest = f"{name} ({latest})"
line = f"{name_latest:{name_column_width}} - {summary}"
try:
write_output(line)
print_dist_installation_info(name, latest)
except UnicodeEncodeError:
pass
def highest_version(versions: List[str]) -> str:
return max(versions, key=parse_version)

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import logging
from optparse import Values
from typing import Generator, Iterable, Iterator, List, NamedTuple, Optional
from pip._vendor.packaging.requirements import InvalidRequirement
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.metadata import BaseDistribution, get_default_environment
from pip._internal.utils.misc import write_output
logger = logging.getLogger(__name__)
class ShowCommand(Command):
"""
Show information about one or more installed packages.
The output is in RFC-compliant mail header format.
"""
usage = """
%prog [options] <package> ..."""
ignore_require_venv = True
def add_options(self) -> None:
self.cmd_opts.add_option(
"-f",
"--files",
dest="files",
action="store_true",
default=False,
help="Show the full list of installed files for each package.",
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
if not args:
logger.warning("ERROR: Please provide a package name or names.")
return ERROR
query = args
results = search_packages_info(query)
if not print_results(
results, list_files=options.files, verbose=options.verbose
):
return ERROR
return SUCCESS
class _PackageInfo(NamedTuple):
name: str
version: str
location: str
editable_project_location: Optional[str]
requires: List[str]
required_by: List[str]
installer: str
metadata_version: str
classifiers: List[str]
summary: str
homepage: str
project_urls: List[str]
author: str
author_email: str
license: str
license_expression: str
entry_points: List[str]
files: Optional[List[str]]
def search_packages_info(query: List[str]) -> Generator[_PackageInfo, None, None]:
"""
Gather details from installed distributions. Print distribution name,
version, location, and installed files. Installed files requires a
pip generated 'installed-files.txt' in the distributions '.egg-info'
directory.
"""
env = get_default_environment()
installed = {dist.canonical_name: dist for dist in env.iter_all_distributions()}
query_names = [canonicalize_name(name) for name in query]
missing = sorted(
[name for name, pkg in zip(query, query_names) if pkg not in installed]
)
if missing:
logger.warning("Package(s) not found: %s", ", ".join(missing))
def _get_requiring_packages(current_dist: BaseDistribution) -> Iterator[str]:
return (
dist.metadata["Name"] or "UNKNOWN"
for dist in installed.values()
if current_dist.canonical_name
in {canonicalize_name(d.name) for d in dist.iter_dependencies()}
)
for query_name in query_names:
try:
dist = installed[query_name]
except KeyError:
continue
try:
requires = sorted(
# Avoid duplicates in requirements (e.g. due to environment markers).
{req.name for req in dist.iter_dependencies()},
key=str.lower,
)
except InvalidRequirement:
requires = sorted(dist.iter_raw_dependencies(), key=str.lower)
try:
required_by = sorted(_get_requiring_packages(dist), key=str.lower)
except InvalidRequirement:
required_by = ["#N/A"]
try:
entry_points_text = dist.read_text("entry_points.txt")
entry_points = entry_points_text.splitlines(keepends=False)
except FileNotFoundError:
entry_points = []
files_iter = dist.iter_declared_entries()
if files_iter is None:
files: Optional[List[str]] = None
else:
files = sorted(files_iter)
metadata = dist.metadata
project_urls = metadata.get_all("Project-URL", [])
homepage = metadata.get("Home-page", "")
if not homepage:
# It's common that there is a "homepage" Project-URL, but Home-page
# remains unset (especially as PEP 621 doesn't surface the field).
#
# This logic was taken from PyPI's codebase.
for url in project_urls:
url_label, url = url.split(",", maxsplit=1)
normalized_label = (
url_label.casefold().replace("-", "").replace("_", "").strip()
)
if normalized_label == "homepage":
homepage = url.strip()
break
yield _PackageInfo(
name=dist.raw_name,
version=dist.raw_version,
location=dist.location or "",
editable_project_location=dist.editable_project_location,
requires=requires,
required_by=required_by,
installer=dist.installer,
metadata_version=dist.metadata_version or "",
classifiers=metadata.get_all("Classifier", []),
summary=metadata.get("Summary", ""),
homepage=homepage,
project_urls=project_urls,
author=metadata.get("Author", ""),
author_email=metadata.get("Author-email", ""),
license=metadata.get("License", ""),
license_expression=metadata.get("License-Expression", ""),
entry_points=entry_points,
files=files,
)
def print_results(
distributions: Iterable[_PackageInfo],
list_files: bool,
verbose: bool,
) -> bool:
"""
Print the information from installed distributions found.
"""
results_printed = False
for i, dist in enumerate(distributions):
results_printed = True
if i > 0:
write_output("---")
metadata_version_tuple = tuple(map(int, dist.metadata_version.split(".")))
write_output("Name: %s", dist.name)
write_output("Version: %s", dist.version)
write_output("Summary: %s", dist.summary)
write_output("Home-page: %s", dist.homepage)
write_output("Author: %s", dist.author)
write_output("Author-email: %s", dist.author_email)
if metadata_version_tuple >= (2, 4) and dist.license_expression:
write_output("License-Expression: %s", dist.license_expression)
else:
write_output("License: %s", dist.license)
write_output("Location: %s", dist.location)
if dist.editable_project_location is not None:
write_output(
"Editable project location: %s", dist.editable_project_location
)
write_output("Requires: %s", ", ".join(dist.requires))
write_output("Required-by: %s", ", ".join(dist.required_by))
if verbose:
write_output("Metadata-Version: %s", dist.metadata_version)
write_output("Installer: %s", dist.installer)
write_output("Classifiers:")
for classifier in dist.classifiers:
write_output(" %s", classifier)
write_output("Entry-points:")
for entry in dist.entry_points:
write_output(" %s", entry.strip())
write_output("Project-URLs:")
for project_url in dist.project_urls:
write_output(" %s", project_url)
if list_files:
write_output("Files:")
if dist.files is None:
write_output("Cannot locate RECORD or installed-files.txt")
else:
for line in dist.files:
write_output(" %s", line.strip())
return results_printed

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import logging
from optparse import Values
from typing import List
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import Command
from pip._internal.cli.index_command import SessionCommandMixin
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import InstallationError
from pip._internal.req import parse_requirements
from pip._internal.req.constructors import (
install_req_from_line,
install_req_from_parsed_requirement,
)
from pip._internal.utils.misc import (
check_externally_managed,
protect_pip_from_modification_on_windows,
warn_if_run_as_root,
)
logger = logging.getLogger(__name__)
class UninstallCommand(Command, SessionCommandMixin):
"""
Uninstall packages.
pip is able to uninstall most installed packages. Known exceptions are:
- Pure distutils packages installed with ``python setup.py install``, which
leave behind no metadata to determine what files were installed.
- Script wrappers installed by ``python setup.py develop``.
"""
usage = """
%prog [options] <package> ...
%prog [options] -r <requirements file> ..."""
def add_options(self) -> None:
self.cmd_opts.add_option(
"-r",
"--requirement",
dest="requirements",
action="append",
default=[],
metavar="file",
help=(
"Uninstall all the packages listed in the given requirements "
"file. This option can be used multiple times."
),
)
self.cmd_opts.add_option(
"-y",
"--yes",
dest="yes",
action="store_true",
help="Don't ask for confirmation of uninstall deletions.",
)
self.cmd_opts.add_option(cmdoptions.root_user_action())
self.cmd_opts.add_option(cmdoptions.override_externally_managed())
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options: Values, args: List[str]) -> int:
session = self.get_default_session(options)
reqs_to_uninstall = {}
for name in args:
req = install_req_from_line(
name,
isolated=options.isolated_mode,
)
if req.name:
reqs_to_uninstall[canonicalize_name(req.name)] = req
else:
logger.warning(
"Invalid requirement: %r ignored -"
" the uninstall command expects named"
" requirements.",
name,
)
for filename in options.requirements:
for parsed_req in parse_requirements(
filename, options=options, session=session
):
req = install_req_from_parsed_requirement(
parsed_req, isolated=options.isolated_mode
)
if req.name:
reqs_to_uninstall[canonicalize_name(req.name)] = req
if not reqs_to_uninstall:
raise InstallationError(
f"You must give at least one requirement to {self.name} (see "
f'"pip help {self.name}")'
)
if not options.override_externally_managed:
check_externally_managed()
protect_pip_from_modification_on_windows(
modifying_pip="pip" in reqs_to_uninstall
)
for req in reqs_to_uninstall.values():
uninstall_pathset = req.uninstall(
auto_confirm=options.yes,
verbose=self.verbosity > 0,
)
if uninstall_pathset:
uninstall_pathset.commit()
if options.root_user_action == "warn":
warn_if_run_as_root()
return SUCCESS

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import logging
import os
import shutil
from optparse import Values
from typing import List
from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.req_command import RequirementCommand, with_cleanup
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import CommandError
from pip._internal.operations.build.build_tracker import get_build_tracker
from pip._internal.req.req_install import (
InstallRequirement,
check_legacy_setup_py_options,
)
from pip._internal.utils.misc import ensure_dir, normalize_path
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.wheel_builder import build, should_build_for_wheel_command
logger = logging.getLogger(__name__)
class WheelCommand(RequirementCommand):
"""
Build Wheel archives for your requirements and dependencies.
Wheel is a built-package format, and offers the advantage of not
recompiling your software during every install. For more details, see the
wheel docs: https://wheel.readthedocs.io/en/latest/
'pip wheel' uses the build system interface as described here:
https://pip.pypa.io/en/stable/reference/build-system/
"""
usage = """
%prog [options] <requirement specifier> ...
%prog [options] -r <requirements file> ...
%prog [options] [-e] <vcs project url> ...
%prog [options] [-e] <local project path> ...
%prog [options] <archive url/path> ..."""
def add_options(self) -> None:
self.cmd_opts.add_option(
"-w",
"--wheel-dir",
dest="wheel_dir",
metavar="dir",
default=os.curdir,
help=(
"Build wheels into <dir>, where the default is the "
"current working directory."
),
)
self.cmd_opts.add_option(cmdoptions.no_binary())
self.cmd_opts.add_option(cmdoptions.only_binary())
self.cmd_opts.add_option(cmdoptions.prefer_binary())
self.cmd_opts.add_option(cmdoptions.no_build_isolation())
self.cmd_opts.add_option(cmdoptions.use_pep517())
self.cmd_opts.add_option(cmdoptions.no_use_pep517())
self.cmd_opts.add_option(cmdoptions.check_build_deps())
self.cmd_opts.add_option(cmdoptions.constraints())
self.cmd_opts.add_option(cmdoptions.editable())
self.cmd_opts.add_option(cmdoptions.requirements())
self.cmd_opts.add_option(cmdoptions.src())
self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
self.cmd_opts.add_option(cmdoptions.no_deps())
self.cmd_opts.add_option(cmdoptions.progress_bar())
self.cmd_opts.add_option(
"--no-verify",
dest="no_verify",
action="store_true",
default=False,
help="Don't verify if built wheel is valid.",
)
self.cmd_opts.add_option(cmdoptions.config_settings())
self.cmd_opts.add_option(cmdoptions.build_options())
self.cmd_opts.add_option(cmdoptions.global_options())
self.cmd_opts.add_option(
"--pre",
action="store_true",
default=False,
help=(
"Include pre-release and development versions. By default, "
"pip only finds stable versions."
),
)
self.cmd_opts.add_option(cmdoptions.require_hashes())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, self.cmd_opts)
@with_cleanup
def run(self, options: Values, args: List[str]) -> int:
session = self.get_default_session(options)
finder = self._build_package_finder(options, session)
options.wheel_dir = normalize_path(options.wheel_dir)
ensure_dir(options.wheel_dir)
build_tracker = self.enter_context(get_build_tracker())
directory = TempDirectory(
delete=not options.no_clean,
kind="wheel",
globally_managed=True,
)
reqs = self.get_requirements(args, options, finder, session)
check_legacy_setup_py_options(options, reqs)
wheel_cache = WheelCache(options.cache_dir)
preparer = self.make_requirement_preparer(
temp_build_dir=directory,
options=options,
build_tracker=build_tracker,
session=session,
finder=finder,
download_dir=options.wheel_dir,
use_user_site=False,
verbosity=self.verbosity,
)
resolver = self.make_resolver(
preparer=preparer,
finder=finder,
options=options,
wheel_cache=wheel_cache,
ignore_requires_python=options.ignore_requires_python,
use_pep517=options.use_pep517,
)
self.trace_basic_info(finder)
requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
reqs_to_build: List[InstallRequirement] = []
for req in requirement_set.requirements.values():
if req.is_wheel:
preparer.save_linked_requirement(req)
elif should_build_for_wheel_command(req):
reqs_to_build.append(req)
preparer.prepare_linked_requirements_more(requirement_set.requirements.values())
# build wheels
build_successes, build_failures = build(
reqs_to_build,
wheel_cache=wheel_cache,
verify=(not options.no_verify),
build_options=options.build_options or [],
global_options=options.global_options or [],
)
for req in build_successes:
assert req.link and req.link.is_wheel
assert req.local_file_path
# copy from cache to target directory
try:
shutil.copy(req.local_file_path, options.wheel_dir)
except OSError as e:
logger.warning(
"Building wheel for %s failed: %s",
req.name,
e,
)
build_failures.append(req)
if len(build_failures) != 0:
raise CommandError("Failed to build one or more wheels")
return SUCCESS

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"""Configuration management setup
Some terminology:
- name
As written in config files.
- value
Value associated with a name
- key
Name combined with it's section (section.name)
- variant
A single word describing where the configuration key-value pair came from
"""
import configparser
import locale
import os
import sys
from typing import Any, Dict, Iterable, List, NewType, Optional, Tuple
from pip._internal.exceptions import (
ConfigurationError,
ConfigurationFileCouldNotBeLoaded,
)
from pip._internal.utils import appdirs
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.logging import getLogger
from pip._internal.utils.misc import ensure_dir, enum
RawConfigParser = configparser.RawConfigParser # Shorthand
Kind = NewType("Kind", str)
CONFIG_BASENAME = "pip.ini" if WINDOWS else "pip.conf"
ENV_NAMES_IGNORED = "version", "help"
# The kinds of configurations there are.
kinds = enum(
USER="user", # User Specific
GLOBAL="global", # System Wide
SITE="site", # [Virtual] Environment Specific
ENV="env", # from PIP_CONFIG_FILE
ENV_VAR="env-var", # from Environment Variables
)
OVERRIDE_ORDER = kinds.GLOBAL, kinds.USER, kinds.SITE, kinds.ENV, kinds.ENV_VAR
VALID_LOAD_ONLY = kinds.USER, kinds.GLOBAL, kinds.SITE
logger = getLogger(__name__)
# NOTE: Maybe use the optionx attribute to normalize keynames.
def _normalize_name(name: str) -> str:
"""Make a name consistent regardless of source (environment or file)"""
name = name.lower().replace("_", "-")
if name.startswith("--"):
name = name[2:] # only prefer long opts
return name
def _disassemble_key(name: str) -> List[str]:
if "." not in name:
error_message = (
"Key does not contain dot separated section and key. "
f"Perhaps you wanted to use 'global.{name}' instead?"
)
raise ConfigurationError(error_message)
return name.split(".", 1)
def get_configuration_files() -> Dict[Kind, List[str]]:
global_config_files = [
os.path.join(path, CONFIG_BASENAME) for path in appdirs.site_config_dirs("pip")
]
site_config_file = os.path.join(sys.prefix, CONFIG_BASENAME)
legacy_config_file = os.path.join(
os.path.expanduser("~"),
"pip" if WINDOWS else ".pip",
CONFIG_BASENAME,
)
new_config_file = os.path.join(appdirs.user_config_dir("pip"), CONFIG_BASENAME)
return {
kinds.GLOBAL: global_config_files,
kinds.SITE: [site_config_file],
kinds.USER: [legacy_config_file, new_config_file],
}
class Configuration:
"""Handles management of configuration.
Provides an interface to accessing and managing configuration files.
This class converts provides an API that takes "section.key-name" style
keys and stores the value associated with it as "key-name" under the
section "section".
This allows for a clean interface wherein the both the section and the
key-name are preserved in an easy to manage form in the configuration files
and the data stored is also nice.
"""
def __init__(self, isolated: bool, load_only: Optional[Kind] = None) -> None:
super().__init__()
if load_only is not None and load_only not in VALID_LOAD_ONLY:
raise ConfigurationError(
"Got invalid value for load_only - should be one of {}".format(
", ".join(map(repr, VALID_LOAD_ONLY))
)
)
self.isolated = isolated
self.load_only = load_only
# Because we keep track of where we got the data from
self._parsers: Dict[Kind, List[Tuple[str, RawConfigParser]]] = {
variant: [] for variant in OVERRIDE_ORDER
}
self._config: Dict[Kind, Dict[str, Any]] = {
variant: {} for variant in OVERRIDE_ORDER
}
self._modified_parsers: List[Tuple[str, RawConfigParser]] = []
def load(self) -> None:
"""Loads configuration from configuration files and environment"""
self._load_config_files()
if not self.isolated:
self._load_environment_vars()
def get_file_to_edit(self) -> Optional[str]:
"""Returns the file with highest priority in configuration"""
assert self.load_only is not None, "Need to be specified a file to be editing"
try:
return self._get_parser_to_modify()[0]
except IndexError:
return None
def items(self) -> Iterable[Tuple[str, Any]]:
"""Returns key-value pairs like dict.items() representing the loaded
configuration
"""
return self._dictionary.items()
def get_value(self, key: str) -> Any:
"""Get a value from the configuration."""
orig_key = key
key = _normalize_name(key)
try:
return self._dictionary[key]
except KeyError:
# disassembling triggers a more useful error message than simply
# "No such key" in the case that the key isn't in the form command.option
_disassemble_key(key)
raise ConfigurationError(f"No such key - {orig_key}")
def set_value(self, key: str, value: Any) -> None:
"""Modify a value in the configuration."""
key = _normalize_name(key)
self._ensure_have_load_only()
assert self.load_only
fname, parser = self._get_parser_to_modify()
if parser is not None:
section, name = _disassemble_key(key)
# Modify the parser and the configuration
if not parser.has_section(section):
parser.add_section(section)
parser.set(section, name, value)
self._config[self.load_only][key] = value
self._mark_as_modified(fname, parser)
def unset_value(self, key: str) -> None:
"""Unset a value in the configuration."""
orig_key = key
key = _normalize_name(key)
self._ensure_have_load_only()
assert self.load_only
if key not in self._config[self.load_only]:
raise ConfigurationError(f"No such key - {orig_key}")
fname, parser = self._get_parser_to_modify()
if parser is not None:
section, name = _disassemble_key(key)
if not (
parser.has_section(section) and parser.remove_option(section, name)
):
# The option was not removed.
raise ConfigurationError(
"Fatal Internal error [id=1]. Please report as a bug."
)
# The section may be empty after the option was removed.
if not parser.items(section):
parser.remove_section(section)
self._mark_as_modified(fname, parser)
del self._config[self.load_only][key]
def save(self) -> None:
"""Save the current in-memory state."""
self._ensure_have_load_only()
for fname, parser in self._modified_parsers:
logger.info("Writing to %s", fname)
# Ensure directory exists.
ensure_dir(os.path.dirname(fname))
# Ensure directory's permission(need to be writeable)
try:
with open(fname, "w") as f:
parser.write(f)
except OSError as error:
raise ConfigurationError(
f"An error occurred while writing to the configuration file "
f"{fname}: {error}"
)
#
# Private routines
#
def _ensure_have_load_only(self) -> None:
if self.load_only is None:
raise ConfigurationError("Needed a specific file to be modifying.")
logger.debug("Will be working with %s variant only", self.load_only)
@property
def _dictionary(self) -> Dict[str, Any]:
"""A dictionary representing the loaded configuration."""
# NOTE: Dictionaries are not populated if not loaded. So, conditionals
# are not needed here.
retval = {}
for variant in OVERRIDE_ORDER:
retval.update(self._config[variant])
return retval
def _load_config_files(self) -> None:
"""Loads configuration from configuration files"""
config_files = dict(self.iter_config_files())
if config_files[kinds.ENV][0:1] == [os.devnull]:
logger.debug(
"Skipping loading configuration files due to "
"environment's PIP_CONFIG_FILE being os.devnull"
)
return
for variant, files in config_files.items():
for fname in files:
# If there's specific variant set in `load_only`, load only
# that variant, not the others.
if self.load_only is not None and variant != self.load_only:
logger.debug("Skipping file '%s' (variant: %s)", fname, variant)
continue
parser = self._load_file(variant, fname)
# Keeping track of the parsers used
self._parsers[variant].append((fname, parser))
def _load_file(self, variant: Kind, fname: str) -> RawConfigParser:
logger.verbose("For variant '%s', will try loading '%s'", variant, fname)
parser = self._construct_parser(fname)
for section in parser.sections():
items = parser.items(section)
self._config[variant].update(self._normalized_keys(section, items))
return parser
def _construct_parser(self, fname: str) -> RawConfigParser:
parser = configparser.RawConfigParser()
# If there is no such file, don't bother reading it but create the
# parser anyway, to hold the data.
# Doing this is useful when modifying and saving files, where we don't
# need to construct a parser.
if os.path.exists(fname):
locale_encoding = locale.getpreferredencoding(False)
try:
parser.read(fname, encoding=locale_encoding)
except UnicodeDecodeError:
# See https://github.com/pypa/pip/issues/4963
raise ConfigurationFileCouldNotBeLoaded(
reason=f"contains invalid {locale_encoding} characters",
fname=fname,
)
except configparser.Error as error:
# See https://github.com/pypa/pip/issues/4893
raise ConfigurationFileCouldNotBeLoaded(error=error)
return parser
def _load_environment_vars(self) -> None:
"""Loads configuration from environment variables"""
self._config[kinds.ENV_VAR].update(
self._normalized_keys(":env:", self.get_environ_vars())
)
def _normalized_keys(
self, section: str, items: Iterable[Tuple[str, Any]]
) -> Dict[str, Any]:
"""Normalizes items to construct a dictionary with normalized keys.
This routine is where the names become keys and are made the same
regardless of source - configuration files or environment.
"""
normalized = {}
for name, val in items:
key = section + "." + _normalize_name(name)
normalized[key] = val
return normalized
def get_environ_vars(self) -> Iterable[Tuple[str, str]]:
"""Returns a generator with all environmental vars with prefix PIP_"""
for key, val in os.environ.items():
if key.startswith("PIP_"):
name = key[4:].lower()
if name not in ENV_NAMES_IGNORED:
yield name, val
# XXX: This is patched in the tests.
def iter_config_files(self) -> Iterable[Tuple[Kind, List[str]]]:
"""Yields variant and configuration files associated with it.
This should be treated like items of a dictionary. The order
here doesn't affect what gets overridden. That is controlled
by OVERRIDE_ORDER. However this does control the order they are
displayed to the user. It's probably most ergonomic to display
things in the same order as OVERRIDE_ORDER
"""
# SMELL: Move the conditions out of this function
env_config_file = os.environ.get("PIP_CONFIG_FILE", None)
config_files = get_configuration_files()
yield kinds.GLOBAL, config_files[kinds.GLOBAL]
# per-user config is not loaded when env_config_file exists
should_load_user_config = not self.isolated and not (
env_config_file and os.path.exists(env_config_file)
)
if should_load_user_config:
# The legacy config file is overridden by the new config file
yield kinds.USER, config_files[kinds.USER]
# virtualenv config
yield kinds.SITE, config_files[kinds.SITE]
if env_config_file is not None:
yield kinds.ENV, [env_config_file]
else:
yield kinds.ENV, []
def get_values_in_config(self, variant: Kind) -> Dict[str, Any]:
"""Get values present in a config file"""
return self._config[variant]
def _get_parser_to_modify(self) -> Tuple[str, RawConfigParser]:
# Determine which parser to modify
assert self.load_only
parsers = self._parsers[self.load_only]
if not parsers:
# This should not happen if everything works correctly.
raise ConfigurationError(
"Fatal Internal error [id=2]. Please report as a bug."
)
# Use the highest priority parser.
return parsers[-1]
# XXX: This is patched in the tests.
def _mark_as_modified(self, fname: str, parser: RawConfigParser) -> None:
file_parser_tuple = (fname, parser)
if file_parser_tuple not in self._modified_parsers:
self._modified_parsers.append(file_parser_tuple)
def __repr__(self) -> str:
return f"{self.__class__.__name__}({self._dictionary!r})"

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from pip._internal.distributions.base import AbstractDistribution
from pip._internal.distributions.sdist import SourceDistribution
from pip._internal.distributions.wheel import WheelDistribution
from pip._internal.req.req_install import InstallRequirement
def make_distribution_for_install_requirement(
install_req: InstallRequirement,
) -> AbstractDistribution:
"""Returns a Distribution for the given InstallRequirement"""
# Editable requirements will always be source distributions. They use the
# legacy logic until we create a modern standard for them.
if install_req.editable:
return SourceDistribution(install_req)
# If it's a wheel, it's a WheelDistribution
if install_req.is_wheel:
return WheelDistribution(install_req)
# Otherwise, a SourceDistribution
return SourceDistribution(install_req)

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import abc
from typing import TYPE_CHECKING, Optional
from pip._internal.metadata.base import BaseDistribution
from pip._internal.req import InstallRequirement
if TYPE_CHECKING:
from pip._internal.index.package_finder import PackageFinder
class AbstractDistribution(metaclass=abc.ABCMeta):
"""A base class for handling installable artifacts.
The requirements for anything installable are as follows:
- we must be able to determine the requirement name
(or we can't correctly handle the non-upgrade case).
- for packages with setup requirements, we must also be able
to determine their requirements without installing additional
packages (for the same reason as run-time dependencies)
- we must be able to create a Distribution object exposing the
above metadata.
- if we need to do work in the build tracker, we must be able to generate a unique
string to identify the requirement in the build tracker.
"""
def __init__(self, req: InstallRequirement) -> None:
super().__init__()
self.req = req
@abc.abstractproperty
def build_tracker_id(self) -> Optional[str]:
"""A string that uniquely identifies this requirement to the build tracker.
If None, then this dist has no work to do in the build tracker, and
``.prepare_distribution_metadata()`` will not be called."""
raise NotImplementedError()
@abc.abstractmethod
def get_metadata_distribution(self) -> BaseDistribution:
raise NotImplementedError()
@abc.abstractmethod
def prepare_distribution_metadata(
self,
finder: "PackageFinder",
build_isolation: bool,
check_build_deps: bool,
) -> None:
raise NotImplementedError()

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from typing import Optional
from pip._internal.distributions.base import AbstractDistribution
from pip._internal.index.package_finder import PackageFinder
from pip._internal.metadata import BaseDistribution
class InstalledDistribution(AbstractDistribution):
"""Represents an installed package.
This does not need any preparation as the required information has already
been computed.
"""
@property
def build_tracker_id(self) -> Optional[str]:
return None
def get_metadata_distribution(self) -> BaseDistribution:
assert self.req.satisfied_by is not None, "not actually installed"
return self.req.satisfied_by
def prepare_distribution_metadata(
self,
finder: PackageFinder,
build_isolation: bool,
check_build_deps: bool,
) -> None:
pass

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import logging
from typing import TYPE_CHECKING, Iterable, Optional, Set, Tuple
from pip._internal.build_env import BuildEnvironment
from pip._internal.distributions.base import AbstractDistribution
from pip._internal.exceptions import InstallationError
from pip._internal.metadata import BaseDistribution
from pip._internal.utils.subprocess import runner_with_spinner_message
if TYPE_CHECKING:
from pip._internal.index.package_finder import PackageFinder
logger = logging.getLogger(__name__)
class SourceDistribution(AbstractDistribution):
"""Represents a source distribution.
The preparation step for these needs metadata for the packages to be
generated, either using PEP 517 or using the legacy `setup.py egg_info`.
"""
@property
def build_tracker_id(self) -> Optional[str]:
"""Identify this requirement uniquely by its link."""
assert self.req.link
return self.req.link.url_without_fragment
def get_metadata_distribution(self) -> BaseDistribution:
return self.req.get_dist()
def prepare_distribution_metadata(
self,
finder: "PackageFinder",
build_isolation: bool,
check_build_deps: bool,
) -> None:
# Load pyproject.toml, to determine whether PEP 517 is to be used
self.req.load_pyproject_toml()
# Set up the build isolation, if this requirement should be isolated
should_isolate = self.req.use_pep517 and build_isolation
if should_isolate:
# Setup an isolated environment and install the build backend static
# requirements in it.
self._prepare_build_backend(finder)
# Check that if the requirement is editable, it either supports PEP 660 or
# has a setup.py or a setup.cfg. This cannot be done earlier because we need
# to setup the build backend to verify it supports build_editable, nor can
# it be done later, because we want to avoid installing build requirements
# needlessly. Doing it here also works around setuptools generating
# UNKNOWN.egg-info when running get_requires_for_build_wheel on a directory
# without setup.py nor setup.cfg.
self.req.isolated_editable_sanity_check()
# Install the dynamic build requirements.
self._install_build_reqs(finder)
# Check if the current environment provides build dependencies
should_check_deps = self.req.use_pep517 and check_build_deps
if should_check_deps:
pyproject_requires = self.req.pyproject_requires
assert pyproject_requires is not None
conflicting, missing = self.req.build_env.check_requirements(
pyproject_requires
)
if conflicting:
self._raise_conflicts("the backend dependencies", conflicting)
if missing:
self._raise_missing_reqs(missing)
self.req.prepare_metadata()
def _prepare_build_backend(self, finder: "PackageFinder") -> None:
# Isolate in a BuildEnvironment and install the build-time
# requirements.
pyproject_requires = self.req.pyproject_requires
assert pyproject_requires is not None
self.req.build_env = BuildEnvironment()
self.req.build_env.install_requirements(
finder, pyproject_requires, "overlay", kind="build dependencies"
)
conflicting, missing = self.req.build_env.check_requirements(
self.req.requirements_to_check
)
if conflicting:
self._raise_conflicts("PEP 517/518 supported requirements", conflicting)
if missing:
logger.warning(
"Missing build requirements in pyproject.toml for %s.",
self.req,
)
logger.warning(
"The project does not specify a build backend, and "
"pip cannot fall back to setuptools without %s.",
" and ".join(map(repr, sorted(missing))),
)
def _get_build_requires_wheel(self) -> Iterable[str]:
with self.req.build_env:
runner = runner_with_spinner_message("Getting requirements to build wheel")
backend = self.req.pep517_backend
assert backend is not None
with backend.subprocess_runner(runner):
return backend.get_requires_for_build_wheel()
def _get_build_requires_editable(self) -> Iterable[str]:
with self.req.build_env:
runner = runner_with_spinner_message(
"Getting requirements to build editable"
)
backend = self.req.pep517_backend
assert backend is not None
with backend.subprocess_runner(runner):
return backend.get_requires_for_build_editable()
def _install_build_reqs(self, finder: "PackageFinder") -> None:
# Install any extra build dependencies that the backend requests.
# This must be done in a second pass, as the pyproject.toml
# dependencies must be installed before we can call the backend.
if (
self.req.editable
and self.req.permit_editable_wheels
and self.req.supports_pyproject_editable
):
build_reqs = self._get_build_requires_editable()
else:
build_reqs = self._get_build_requires_wheel()
conflicting, missing = self.req.build_env.check_requirements(build_reqs)
if conflicting:
self._raise_conflicts("the backend dependencies", conflicting)
self.req.build_env.install_requirements(
finder, missing, "normal", kind="backend dependencies"
)
def _raise_conflicts(
self, conflicting_with: str, conflicting_reqs: Set[Tuple[str, str]]
) -> None:
format_string = (
"Some build dependencies for {requirement} "
"conflict with {conflicting_with}: {description}."
)
error_message = format_string.format(
requirement=self.req,
conflicting_with=conflicting_with,
description=", ".join(
f"{installed} is incompatible with {wanted}"
for installed, wanted in sorted(conflicting_reqs)
),
)
raise InstallationError(error_message)
def _raise_missing_reqs(self, missing: Set[str]) -> None:
format_string = (
"Some build dependencies for {requirement} are missing: {missing}."
)
error_message = format_string.format(
requirement=self.req, missing=", ".join(map(repr, sorted(missing)))
)
raise InstallationError(error_message)

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@ -1,42 +0,0 @@
from typing import TYPE_CHECKING, Optional
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.distributions.base import AbstractDistribution
from pip._internal.metadata import (
BaseDistribution,
FilesystemWheel,
get_wheel_distribution,
)
if TYPE_CHECKING:
from pip._internal.index.package_finder import PackageFinder
class WheelDistribution(AbstractDistribution):
"""Represents a wheel distribution.
This does not need any preparation as wheels can be directly unpacked.
"""
@property
def build_tracker_id(self) -> Optional[str]:
return None
def get_metadata_distribution(self) -> BaseDistribution:
"""Loads the metadata from the wheel file into memory and returns a
Distribution that uses it, not relying on the wheel file or
requirement.
"""
assert self.req.local_file_path, "Set as part of preparation during download"
assert self.req.name, "Wheels are never unnamed"
wheel = FilesystemWheel(self.req.local_file_path)
return get_wheel_distribution(wheel, canonicalize_name(self.req.name))
def prepare_distribution_metadata(
self,
finder: "PackageFinder",
build_isolation: bool,
check_build_deps: bool,
) -> None:
pass

809
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"""Exceptions used throughout package.
This module MUST NOT try to import from anything within `pip._internal` to
operate. This is expected to be importable from any/all files within the
subpackage and, thus, should not depend on them.
"""
import configparser
import contextlib
import locale
import logging
import pathlib
import re
import sys
from itertools import chain, groupby, repeat
from typing import TYPE_CHECKING, Dict, Iterator, List, Literal, Optional, Union
from pip._vendor.packaging.requirements import InvalidRequirement
from pip._vendor.packaging.version import InvalidVersion
from pip._vendor.rich.console import Console, ConsoleOptions, RenderResult
from pip._vendor.rich.markup import escape
from pip._vendor.rich.text import Text
if TYPE_CHECKING:
from hashlib import _Hash
from pip._vendor.requests.models import Request, Response
from pip._internal.metadata import BaseDistribution
from pip._internal.req.req_install import InstallRequirement
logger = logging.getLogger(__name__)
#
# Scaffolding
#
def _is_kebab_case(s: str) -> bool:
return re.match(r"^[a-z]+(-[a-z]+)*$", s) is not None
def _prefix_with_indent(
s: Union[Text, str],
console: Console,
*,
prefix: str,
indent: str,
) -> Text:
if isinstance(s, Text):
text = s
else:
text = console.render_str(s)
return console.render_str(prefix, overflow="ignore") + console.render_str(
f"\n{indent}", overflow="ignore"
).join(text.split(allow_blank=True))
class PipError(Exception):
"""The base pip error."""
class DiagnosticPipError(PipError):
"""An error, that presents diagnostic information to the user.
This contains a bunch of logic, to enable pretty presentation of our error
messages. Each error gets a unique reference. Each error can also include
additional context, a hint and/or a note -- which are presented with the
main error message in a consistent style.
This is adapted from the error output styling in `sphinx-theme-builder`.
"""
reference: str
def __init__(
self,
*,
kind: 'Literal["error", "warning"]' = "error",
reference: Optional[str] = None,
message: Union[str, Text],
context: Optional[Union[str, Text]],
hint_stmt: Optional[Union[str, Text]],
note_stmt: Optional[Union[str, Text]] = None,
link: Optional[str] = None,
) -> None:
# Ensure a proper reference is provided.
if reference is None:
assert hasattr(self, "reference"), "error reference not provided!"
reference = self.reference
assert _is_kebab_case(reference), "error reference must be kebab-case!"
self.kind = kind
self.reference = reference
self.message = message
self.context = context
self.note_stmt = note_stmt
self.hint_stmt = hint_stmt
self.link = link
super().__init__(f"<{self.__class__.__name__}: {self.reference}>")
def __repr__(self) -> str:
return (
f"<{self.__class__.__name__}("
f"reference={self.reference!r}, "
f"message={self.message!r}, "
f"context={self.context!r}, "
f"note_stmt={self.note_stmt!r}, "
f"hint_stmt={self.hint_stmt!r}"
")>"
)
def __rich_console__(
self,
console: Console,
options: ConsoleOptions,
) -> RenderResult:
colour = "red" if self.kind == "error" else "yellow"
yield f"[{colour} bold]{self.kind}[/]: [bold]{self.reference}[/]"
yield ""
if not options.ascii_only:
# Present the main message, with relevant context indented.
if self.context is not None:
yield _prefix_with_indent(
self.message,
console,
prefix=f"[{colour}]×[/] ",
indent=f"[{colour}]│[/] ",
)
yield _prefix_with_indent(
self.context,
console,
prefix=f"[{colour}]╰─>[/] ",
indent=f"[{colour}] [/] ",
)
else:
yield _prefix_with_indent(
self.message,
console,
prefix="[red]×[/] ",
indent=" ",
)
else:
yield self.message
if self.context is not None:
yield ""
yield self.context
if self.note_stmt is not None or self.hint_stmt is not None:
yield ""
if self.note_stmt is not None:
yield _prefix_with_indent(
self.note_stmt,
console,
prefix="[magenta bold]note[/]: ",
indent=" ",
)
if self.hint_stmt is not None:
yield _prefix_with_indent(
self.hint_stmt,
console,
prefix="[cyan bold]hint[/]: ",
indent=" ",
)
if self.link is not None:
yield ""
yield f"Link: {self.link}"
#
# Actual Errors
#
class ConfigurationError(PipError):
"""General exception in configuration"""
class InstallationError(PipError):
"""General exception during installation"""
class MissingPyProjectBuildRequires(DiagnosticPipError):
"""Raised when pyproject.toml has `build-system`, but no `build-system.requires`."""
reference = "missing-pyproject-build-system-requires"
def __init__(self, *, package: str) -> None:
super().__init__(
message=f"Can not process {escape(package)}",
context=Text(
"This package has an invalid pyproject.toml file.\n"
"The [build-system] table is missing the mandatory `requires` key."
),
note_stmt="This is an issue with the package mentioned above, not pip.",
hint_stmt=Text("See PEP 518 for the detailed specification."),
)
class InvalidPyProjectBuildRequires(DiagnosticPipError):
"""Raised when pyproject.toml an invalid `build-system.requires`."""
reference = "invalid-pyproject-build-system-requires"
def __init__(self, *, package: str, reason: str) -> None:
super().__init__(
message=f"Can not process {escape(package)}",
context=Text(
"This package has an invalid `build-system.requires` key in "
f"pyproject.toml.\n{reason}"
),
note_stmt="This is an issue with the package mentioned above, not pip.",
hint_stmt=Text("See PEP 518 for the detailed specification."),
)
class NoneMetadataError(PipError):
"""Raised when accessing a Distribution's "METADATA" or "PKG-INFO".
This signifies an inconsistency, when the Distribution claims to have
the metadata file (if not, raise ``FileNotFoundError`` instead), but is
not actually able to produce its content. This may be due to permission
errors.
"""
def __init__(
self,
dist: "BaseDistribution",
metadata_name: str,
) -> None:
"""
:param dist: A Distribution object.
:param metadata_name: The name of the metadata being accessed
(can be "METADATA" or "PKG-INFO").
"""
self.dist = dist
self.metadata_name = metadata_name
def __str__(self) -> str:
# Use `dist` in the error message because its stringification
# includes more information, like the version and location.
return f"None {self.metadata_name} metadata found for distribution: {self.dist}"
class UserInstallationInvalid(InstallationError):
"""A --user install is requested on an environment without user site."""
def __str__(self) -> str:
return "User base directory is not specified"
class InvalidSchemeCombination(InstallationError):
def __str__(self) -> str:
before = ", ".join(str(a) for a in self.args[:-1])
return f"Cannot set {before} and {self.args[-1]} together"
class DistributionNotFound(InstallationError):
"""Raised when a distribution cannot be found to satisfy a requirement"""
class RequirementsFileParseError(InstallationError):
"""Raised when a general error occurs parsing a requirements file line."""
class BestVersionAlreadyInstalled(PipError):
"""Raised when the most up-to-date version of a package is already
installed."""
class BadCommand(PipError):
"""Raised when virtualenv or a command is not found"""
class CommandError(PipError):
"""Raised when there is an error in command-line arguments"""
class PreviousBuildDirError(PipError):
"""Raised when there's a previous conflicting build directory"""
class NetworkConnectionError(PipError):
"""HTTP connection error"""
def __init__(
self,
error_msg: str,
response: Optional["Response"] = None,
request: Optional["Request"] = None,
) -> None:
"""
Initialize NetworkConnectionError with `request` and `response`
objects.
"""
self.response = response
self.request = request
self.error_msg = error_msg
if (
self.response is not None
and not self.request
and hasattr(response, "request")
):
self.request = self.response.request
super().__init__(error_msg, response, request)
def __str__(self) -> str:
return str(self.error_msg)
class InvalidWheelFilename(InstallationError):
"""Invalid wheel filename."""
class UnsupportedWheel(InstallationError):
"""Unsupported wheel."""
class InvalidWheel(InstallationError):
"""Invalid (e.g. corrupt) wheel."""
def __init__(self, location: str, name: str):
self.location = location
self.name = name
def __str__(self) -> str:
return f"Wheel '{self.name}' located at {self.location} is invalid."
class MetadataInconsistent(InstallationError):
"""Built metadata contains inconsistent information.
This is raised when the metadata contains values (e.g. name and version)
that do not match the information previously obtained from sdist filename,
user-supplied ``#egg=`` value, or an install requirement name.
"""
def __init__(
self, ireq: "InstallRequirement", field: str, f_val: str, m_val: str
) -> None:
self.ireq = ireq
self.field = field
self.f_val = f_val
self.m_val = m_val
def __str__(self) -> str:
return (
f"Requested {self.ireq} has inconsistent {self.field}: "
f"expected {self.f_val!r}, but metadata has {self.m_val!r}"
)
class MetadataInvalid(InstallationError):
"""Metadata is invalid."""
def __init__(self, ireq: "InstallRequirement", error: str) -> None:
self.ireq = ireq
self.error = error
def __str__(self) -> str:
return f"Requested {self.ireq} has invalid metadata: {self.error}"
class InstallationSubprocessError(DiagnosticPipError, InstallationError):
"""A subprocess call failed."""
reference = "subprocess-exited-with-error"
def __init__(
self,
*,
command_description: str,
exit_code: int,
output_lines: Optional[List[str]],
) -> None:
if output_lines is None:
output_prompt = Text("See above for output.")
else:
output_prompt = (
Text.from_markup(f"[red][{len(output_lines)} lines of output][/]\n")
+ Text("".join(output_lines))
+ Text.from_markup(R"[red]\[end of output][/]")
)
super().__init__(
message=(
f"[green]{escape(command_description)}[/] did not run successfully.\n"
f"exit code: {exit_code}"
),
context=output_prompt,
hint_stmt=None,
note_stmt=(
"This error originates from a subprocess, and is likely not a "
"problem with pip."
),
)
self.command_description = command_description
self.exit_code = exit_code
def __str__(self) -> str:
return f"{self.command_description} exited with {self.exit_code}"
class MetadataGenerationFailed(InstallationSubprocessError, InstallationError):
reference = "metadata-generation-failed"
def __init__(
self,
*,
package_details: str,
) -> None:
super(InstallationSubprocessError, self).__init__(
message="Encountered error while generating package metadata.",
context=escape(package_details),
hint_stmt="See above for details.",
note_stmt="This is an issue with the package mentioned above, not pip.",
)
def __str__(self) -> str:
return "metadata generation failed"
class HashErrors(InstallationError):
"""Multiple HashError instances rolled into one for reporting"""
def __init__(self) -> None:
self.errors: List[HashError] = []
def append(self, error: "HashError") -> None:
self.errors.append(error)
def __str__(self) -> str:
lines = []
self.errors.sort(key=lambda e: e.order)
for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
lines.append(cls.head)
lines.extend(e.body() for e in errors_of_cls)
if lines:
return "\n".join(lines)
return ""
def __bool__(self) -> bool:
return bool(self.errors)
class HashError(InstallationError):
"""
A failure to verify a package against known-good hashes
:cvar order: An int sorting hash exception classes by difficulty of
recovery (lower being harder), so the user doesn't bother fretting
about unpinned packages when he has deeper issues, like VCS
dependencies, to deal with. Also keeps error reports in a
deterministic order.
:cvar head: A section heading for display above potentially many
exceptions of this kind
:ivar req: The InstallRequirement that triggered this error. This is
pasted on after the exception is instantiated, because it's not
typically available earlier.
"""
req: Optional["InstallRequirement"] = None
head = ""
order: int = -1
def body(self) -> str:
"""Return a summary of me for display under the heading.
This default implementation simply prints a description of the
triggering requirement.
:param req: The InstallRequirement that provoked this error, with
its link already populated by the resolver's _populate_link().
"""
return f" {self._requirement_name()}"
def __str__(self) -> str:
return f"{self.head}\n{self.body()}"
def _requirement_name(self) -> str:
"""Return a description of the requirement that triggered me.
This default implementation returns long description of the req, with
line numbers
"""
return str(self.req) if self.req else "unknown package"
class VcsHashUnsupported(HashError):
"""A hash was provided for a version-control-system-based requirement, but
we don't have a method for hashing those."""
order = 0
head = (
"Can't verify hashes for these requirements because we don't "
"have a way to hash version control repositories:"
)
class DirectoryUrlHashUnsupported(HashError):
"""A hash was provided for a version-control-system-based requirement, but
we don't have a method for hashing those."""
order = 1
head = (
"Can't verify hashes for these file:// requirements because they "
"point to directories:"
)
class HashMissing(HashError):
"""A hash was needed for a requirement but is absent."""
order = 2
head = (
"Hashes are required in --require-hashes mode, but they are "
"missing from some requirements. Here is a list of those "
"requirements along with the hashes their downloaded archives "
"actually had. Add lines like these to your requirements files to "
"prevent tampering. (If you did not enable --require-hashes "
"manually, note that it turns on automatically when any package "
"has a hash.)"
)
def __init__(self, gotten_hash: str) -> None:
"""
:param gotten_hash: The hash of the (possibly malicious) archive we
just downloaded
"""
self.gotten_hash = gotten_hash
def body(self) -> str:
# Dodge circular import.
from pip._internal.utils.hashes import FAVORITE_HASH
package = None
if self.req:
# In the case of URL-based requirements, display the original URL
# seen in the requirements file rather than the package name,
# so the output can be directly copied into the requirements file.
package = (
self.req.original_link
if self.req.is_direct
# In case someone feeds something downright stupid
# to InstallRequirement's constructor.
else getattr(self.req, "req", None)
)
return " {} --hash={}:{}".format(
package or "unknown package", FAVORITE_HASH, self.gotten_hash
)
class HashUnpinned(HashError):
"""A requirement had a hash specified but was not pinned to a specific
version."""
order = 3
head = (
"In --require-hashes mode, all requirements must have their "
"versions pinned with ==. These do not:"
)
class HashMismatch(HashError):
"""
Distribution file hash values don't match.
:ivar package_name: The name of the package that triggered the hash
mismatch. Feel free to write to this after the exception is raise to
improve its error message.
"""
order = 4
head = (
"THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS "
"FILE. If you have updated the package versions, please update "
"the hashes. Otherwise, examine the package contents carefully; "
"someone may have tampered with them."
)
def __init__(self, allowed: Dict[str, List[str]], gots: Dict[str, "_Hash"]) -> None:
"""
:param allowed: A dict of algorithm names pointing to lists of allowed
hex digests
:param gots: A dict of algorithm names pointing to hashes we
actually got from the files under suspicion
"""
self.allowed = allowed
self.gots = gots
def body(self) -> str:
return f" {self._requirement_name()}:\n{self._hash_comparison()}"
def _hash_comparison(self) -> str:
"""
Return a comparison of actual and expected hash values.
Example::
Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
or 123451234512345123451234512345123451234512345
Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
"""
def hash_then_or(hash_name: str) -> "chain[str]":
# For now, all the decent hashes have 6-char names, so we can get
# away with hard-coding space literals.
return chain([hash_name], repeat(" or"))
lines: List[str] = []
for hash_name, expecteds in self.allowed.items():
prefix = hash_then_or(hash_name)
lines.extend((f" Expected {next(prefix)} {e}") for e in expecteds)
lines.append(
f" Got {self.gots[hash_name].hexdigest()}\n"
)
return "\n".join(lines)
class UnsupportedPythonVersion(InstallationError):
"""Unsupported python version according to Requires-Python package
metadata."""
class ConfigurationFileCouldNotBeLoaded(ConfigurationError):
"""When there are errors while loading a configuration file"""
def __init__(
self,
reason: str = "could not be loaded",
fname: Optional[str] = None,
error: Optional[configparser.Error] = None,
) -> None:
super().__init__(error)
self.reason = reason
self.fname = fname
self.error = error
def __str__(self) -> str:
if self.fname is not None:
message_part = f" in {self.fname}."
else:
assert self.error is not None
message_part = f".\n{self.error}\n"
return f"Configuration file {self.reason}{message_part}"
_DEFAULT_EXTERNALLY_MANAGED_ERROR = f"""\
The Python environment under {sys.prefix} is managed externally, and may not be
manipulated by the user. Please use specific tooling from the distributor of
the Python installation to interact with this environment instead.
"""
class ExternallyManagedEnvironment(DiagnosticPipError):
"""The current environment is externally managed.
This is raised when the current environment is externally managed, as
defined by `PEP 668`_. The ``EXTERNALLY-MANAGED`` configuration is checked
and displayed when the error is bubbled up to the user.
:param error: The error message read from ``EXTERNALLY-MANAGED``.
"""
reference = "externally-managed-environment"
def __init__(self, error: Optional[str]) -> None:
if error is None:
context = Text(_DEFAULT_EXTERNALLY_MANAGED_ERROR)
else:
context = Text(error)
super().__init__(
message="This environment is externally managed",
context=context,
note_stmt=(
"If you believe this is a mistake, please contact your "
"Python installation or OS distribution provider. "
"You can override this, at the risk of breaking your Python "
"installation or OS, by passing --break-system-packages."
),
hint_stmt=Text("See PEP 668 for the detailed specification."),
)
@staticmethod
def _iter_externally_managed_error_keys() -> Iterator[str]:
# LC_MESSAGES is in POSIX, but not the C standard. The most common
# platform that does not implement this category is Windows, where
# using other categories for console message localization is equally
# unreliable, so we fall back to the locale-less vendor message. This
# can always be re-evaluated when a vendor proposes a new alternative.
try:
category = locale.LC_MESSAGES
except AttributeError:
lang: Optional[str] = None
else:
lang, _ = locale.getlocale(category)
if lang is not None:
yield f"Error-{lang}"
for sep in ("-", "_"):
before, found, _ = lang.partition(sep)
if not found:
continue
yield f"Error-{before}"
yield "Error"
@classmethod
def from_config(
cls,
config: Union[pathlib.Path, str],
) -> "ExternallyManagedEnvironment":
parser = configparser.ConfigParser(interpolation=None)
try:
parser.read(config, encoding="utf-8")
section = parser["externally-managed"]
for key in cls._iter_externally_managed_error_keys():
with contextlib.suppress(KeyError):
return cls(section[key])
except KeyError:
pass
except (OSError, UnicodeDecodeError, configparser.ParsingError):
from pip._internal.utils._log import VERBOSE
exc_info = logger.isEnabledFor(VERBOSE)
logger.warning("Failed to read %s", config, exc_info=exc_info)
return cls(None)
class UninstallMissingRecord(DiagnosticPipError):
reference = "uninstall-no-record-file"
def __init__(self, *, distribution: "BaseDistribution") -> None:
installer = distribution.installer
if not installer or installer == "pip":
dep = f"{distribution.raw_name}=={distribution.version}"
hint = Text.assemble(
"You might be able to recover from this via: ",
(f"pip install --force-reinstall --no-deps {dep}", "green"),
)
else:
hint = Text(
f"The package was installed by {installer}. "
"You should check if it can uninstall the package."
)
super().__init__(
message=Text(f"Cannot uninstall {distribution}"),
context=(
"The package's contents are unknown: "
f"no RECORD file was found for {distribution.raw_name}."
),
hint_stmt=hint,
)
class LegacyDistutilsInstall(DiagnosticPipError):
reference = "uninstall-distutils-installed-package"
def __init__(self, *, distribution: "BaseDistribution") -> None:
super().__init__(
message=Text(f"Cannot uninstall {distribution}"),
context=(
"It is a distutils installed project and thus we cannot accurately "
"determine which files belong to it which would lead to only a partial "
"uninstall."
),
hint_stmt=None,
)
class InvalidInstalledPackage(DiagnosticPipError):
reference = "invalid-installed-package"
def __init__(
self,
*,
dist: "BaseDistribution",
invalid_exc: Union[InvalidRequirement, InvalidVersion],
) -> None:
installed_location = dist.installed_location
if isinstance(invalid_exc, InvalidRequirement):
invalid_type = "requirement"
else:
invalid_type = "version"
super().__init__(
message=Text(
f"Cannot process installed package {dist} "
+ (f"in {installed_location!r} " if installed_location else "")
+ f"because it has an invalid {invalid_type}:\n{invalid_exc.args[0]}"
),
context=(
"Starting with pip 24.1, packages with invalid "
f"{invalid_type}s can not be processed."
),
hint_stmt="To proceed this package must be uninstalled.",
)

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@ -1,2 +0,0 @@
"""Index interaction code
"""

494
httpd/env/lib/python3.12/site-packages/pip/_internal/index/collector.py vendored
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@ -1,494 +0,0 @@
"""
The main purpose of this module is to expose LinkCollector.collect_sources().
"""
import collections
import email.message
import functools
import itertools
import json
import logging
import os
import urllib.parse
import urllib.request
from dataclasses import dataclass
from html.parser import HTMLParser
from optparse import Values
from typing import (
Callable,
Dict,
Iterable,
List,
MutableMapping,
NamedTuple,
Optional,
Protocol,
Sequence,
Tuple,
Union,
)
from pip._vendor import requests
from pip._vendor.requests import Response
from pip._vendor.requests.exceptions import RetryError, SSLError
from pip._internal.exceptions import NetworkConnectionError
from pip._internal.models.link import Link
from pip._internal.models.search_scope import SearchScope
from pip._internal.network.session import PipSession
from pip._internal.network.utils import raise_for_status
from pip._internal.utils.filetypes import is_archive_file
from pip._internal.utils.misc import redact_auth_from_url
from pip._internal.vcs import vcs
from .sources import CandidatesFromPage, LinkSource, build_source
logger = logging.getLogger(__name__)
ResponseHeaders = MutableMapping[str, str]
def _match_vcs_scheme(url: str) -> Optional[str]:
"""Look for VCS schemes in the URL.
Returns the matched VCS scheme, or None if there's no match.
"""
for scheme in vcs.schemes:
if url.lower().startswith(scheme) and url[len(scheme)] in "+:":
return scheme
return None
class _NotAPIContent(Exception):
def __init__(self, content_type: str, request_desc: str) -> None:
super().__init__(content_type, request_desc)
self.content_type = content_type
self.request_desc = request_desc
def _ensure_api_header(response: Response) -> None:
"""
Check the Content-Type header to ensure the response contains a Simple
API Response.
Raises `_NotAPIContent` if the content type is not a valid content-type.
"""
content_type = response.headers.get("Content-Type", "Unknown")
content_type_l = content_type.lower()
if content_type_l.startswith(
(
"text/html",
"application/vnd.pypi.simple.v1+html",
"application/vnd.pypi.simple.v1+json",
)
):
return
raise _NotAPIContent(content_type, response.request.method)
class _NotHTTP(Exception):
pass
def _ensure_api_response(url: str, session: PipSession) -> None:
"""
Send a HEAD request to the URL, and ensure the response contains a simple
API Response.
Raises `_NotHTTP` if the URL is not available for a HEAD request, or
`_NotAPIContent` if the content type is not a valid content type.
"""
scheme, netloc, path, query, fragment = urllib.parse.urlsplit(url)
if scheme not in {"http", "https"}:
raise _NotHTTP()
resp = session.head(url, allow_redirects=True)
raise_for_status(resp)
_ensure_api_header(resp)
def _get_simple_response(url: str, session: PipSession) -> Response:
"""Access an Simple API response with GET, and return the response.
This consists of three parts:
1. If the URL looks suspiciously like an archive, send a HEAD first to
check the Content-Type is HTML or Simple API, to avoid downloading a
large file. Raise `_NotHTTP` if the content type cannot be determined, or
`_NotAPIContent` if it is not HTML or a Simple API.
2. Actually perform the request. Raise HTTP exceptions on network failures.
3. Check the Content-Type header to make sure we got a Simple API response,
and raise `_NotAPIContent` otherwise.
"""
if is_archive_file(Link(url).filename):
_ensure_api_response(url, session=session)
logger.debug("Getting page %s", redact_auth_from_url(url))
resp = session.get(
url,
headers={
"Accept": ", ".join(
[
"application/vnd.pypi.simple.v1+json",
"application/vnd.pypi.simple.v1+html; q=0.1",
"text/html; q=0.01",
]
),
# We don't want to blindly returned cached data for
# /simple/, because authors generally expecting that
# twine upload && pip install will function, but if
# they've done a pip install in the last ~10 minutes
# it won't. Thus by setting this to zero we will not
# blindly use any cached data, however the benefit of
# using max-age=0 instead of no-cache, is that we will
# still support conditional requests, so we will still
# minimize traffic sent in cases where the page hasn't
# changed at all, we will just always incur the round
# trip for the conditional GET now instead of only
# once per 10 minutes.
# For more information, please see pypa/pip#5670.
"Cache-Control": "max-age=0",
},
)
raise_for_status(resp)
# The check for archives above only works if the url ends with
# something that looks like an archive. However that is not a
# requirement of an url. Unless we issue a HEAD request on every
# url we cannot know ahead of time for sure if something is a
# Simple API response or not. However we can check after we've
# downloaded it.
_ensure_api_header(resp)
logger.debug(
"Fetched page %s as %s",
redact_auth_from_url(url),
resp.headers.get("Content-Type", "Unknown"),
)
return resp
def _get_encoding_from_headers(headers: ResponseHeaders) -> Optional[str]:
"""Determine if we have any encoding information in our headers."""
if headers and "Content-Type" in headers:
m = email.message.Message()
m["content-type"] = headers["Content-Type"]
charset = m.get_param("charset")
if charset:
return str(charset)
return None
class CacheablePageContent:
def __init__(self, page: "IndexContent") -> None:
assert page.cache_link_parsing
self.page = page
def __eq__(self, other: object) -> bool:
return isinstance(other, type(self)) and self.page.url == other.page.url
def __hash__(self) -> int:
return hash(self.page.url)
class ParseLinks(Protocol):
def __call__(self, page: "IndexContent") -> Iterable[Link]: ...
def with_cached_index_content(fn: ParseLinks) -> ParseLinks:
"""
Given a function that parses an Iterable[Link] from an IndexContent, cache the
function's result (keyed by CacheablePageContent), unless the IndexContent
`page` has `page.cache_link_parsing == False`.
"""
@functools.lru_cache(maxsize=None)
def wrapper(cacheable_page: CacheablePageContent) -> List[Link]:
return list(fn(cacheable_page.page))
@functools.wraps(fn)
def wrapper_wrapper(page: "IndexContent") -> List[Link]:
if page.cache_link_parsing:
return wrapper(CacheablePageContent(page))
return list(fn(page))
return wrapper_wrapper
@with_cached_index_content
def parse_links(page: "IndexContent") -> Iterable[Link]:
"""
Parse a Simple API's Index Content, and yield its anchor elements as Link objects.
"""
content_type_l = page.content_type.lower()
if content_type_l.startswith("application/vnd.pypi.simple.v1+json"):
data = json.loads(page.content)
for file in data.get("files", []):
link = Link.from_json(file, page.url)
if link is None:
continue
yield link
return
parser = HTMLLinkParser(page.url)
encoding = page.encoding or "utf-8"
parser.feed(page.content.decode(encoding))
url = page.url
base_url = parser.base_url or url
for anchor in parser.anchors:
link = Link.from_element(anchor, page_url=url, base_url=base_url)
if link is None:
continue
yield link
@dataclass(frozen=True)
class IndexContent:
"""Represents one response (or page), along with its URL.
:param encoding: the encoding to decode the given content.
:param url: the URL from which the HTML was downloaded.
:param cache_link_parsing: whether links parsed from this page's url
should be cached. PyPI index urls should
have this set to False, for example.
"""
content: bytes
content_type: str
encoding: Optional[str]
url: str
cache_link_parsing: bool = True
def __str__(self) -> str:
return redact_auth_from_url(self.url)
class HTMLLinkParser(HTMLParser):
"""
HTMLParser that keeps the first base HREF and a list of all anchor
elements' attributes.
"""
def __init__(self, url: str) -> None:
super().__init__(convert_charrefs=True)
self.url: str = url
self.base_url: Optional[str] = None
self.anchors: List[Dict[str, Optional[str]]] = []
def handle_starttag(self, tag: str, attrs: List[Tuple[str, Optional[str]]]) -> None:
if tag == "base" and self.base_url is None:
href = self.get_href(attrs)
if href is not None:
self.base_url = href
elif tag == "a":
self.anchors.append(dict(attrs))
def get_href(self, attrs: List[Tuple[str, Optional[str]]]) -> Optional[str]:
for name, value in attrs:
if name == "href":
return value
return None
def _handle_get_simple_fail(
link: Link,
reason: Union[str, Exception],
meth: Optional[Callable[..., None]] = None,
) -> None:
if meth is None:
meth = logger.debug
meth("Could not fetch URL %s: %s - skipping", link, reason)
def _make_index_content(
response: Response, cache_link_parsing: bool = True
) -> IndexContent:
encoding = _get_encoding_from_headers(response.headers)
return IndexContent(
response.content,
response.headers["Content-Type"],
encoding=encoding,
url=response.url,
cache_link_parsing=cache_link_parsing,
)
def _get_index_content(link: Link, *, session: PipSession) -> Optional["IndexContent"]:
url = link.url.split("#", 1)[0]
# Check for VCS schemes that do not support lookup as web pages.
vcs_scheme = _match_vcs_scheme(url)
if vcs_scheme:
logger.warning(
"Cannot look at %s URL %s because it does not support lookup as web pages.",
vcs_scheme,
link,
)
return None
# Tack index.html onto file:// URLs that point to directories
scheme, _, path, _, _, _ = urllib.parse.urlparse(url)
if scheme == "file" and os.path.isdir(urllib.request.url2pathname(path)):
# add trailing slash if not present so urljoin doesn't trim
# final segment
if not url.endswith("/"):
url += "/"
# TODO: In the future, it would be nice if pip supported PEP 691
# style responses in the file:// URLs, however there's no
# standard file extension for application/vnd.pypi.simple.v1+json
# so we'll need to come up with something on our own.
url = urllib.parse.urljoin(url, "index.html")
logger.debug(" file: URL is directory, getting %s", url)
try:
resp = _get_simple_response(url, session=session)
except _NotHTTP:
logger.warning(
"Skipping page %s because it looks like an archive, and cannot "
"be checked by a HTTP HEAD request.",
link,
)
except _NotAPIContent as exc:
logger.warning(
"Skipping page %s because the %s request got Content-Type: %s. "
"The only supported Content-Types are application/vnd.pypi.simple.v1+json, "
"application/vnd.pypi.simple.v1+html, and text/html",
link,
exc.request_desc,
exc.content_type,
)
except NetworkConnectionError as exc:
_handle_get_simple_fail(link, exc)
except RetryError as exc:
_handle_get_simple_fail(link, exc)
except SSLError as exc:
reason = "There was a problem confirming the ssl certificate: "
reason += str(exc)
_handle_get_simple_fail(link, reason, meth=logger.info)
except requests.ConnectionError as exc:
_handle_get_simple_fail(link, f"connection error: {exc}")
except requests.Timeout:
_handle_get_simple_fail(link, "timed out")
else:
return _make_index_content(resp, cache_link_parsing=link.cache_link_parsing)
return None
class CollectedSources(NamedTuple):
find_links: Sequence[Optional[LinkSource]]
index_urls: Sequence[Optional[LinkSource]]
class LinkCollector:
"""
Responsible for collecting Link objects from all configured locations,
making network requests as needed.
The class's main method is its collect_sources() method.
"""
def __init__(
self,
session: PipSession,
search_scope: SearchScope,
) -> None:
self.search_scope = search_scope
self.session = session
@classmethod
def create(
cls,
session: PipSession,
options: Values,
suppress_no_index: bool = False,
) -> "LinkCollector":
"""
:param session: The Session to use to make requests.
:param suppress_no_index: Whether to ignore the --no-index option
when constructing the SearchScope object.
"""
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index and not suppress_no_index:
logger.debug(
"Ignoring indexes: %s",
",".join(redact_auth_from_url(url) for url in index_urls),
)
index_urls = []
# Make sure find_links is a list before passing to create().
find_links = options.find_links or []
search_scope = SearchScope.create(
find_links=find_links,
index_urls=index_urls,
no_index=options.no_index,
)
link_collector = LinkCollector(
session=session,
search_scope=search_scope,
)
return link_collector
@property
def find_links(self) -> List[str]:
return self.search_scope.find_links
def fetch_response(self, location: Link) -> Optional[IndexContent]:
"""
Fetch an HTML page containing package links.
"""
return _get_index_content(location, session=self.session)
def collect_sources(
self,
project_name: str,
candidates_from_page: CandidatesFromPage,
) -> CollectedSources:
# The OrderedDict calls deduplicate sources by URL.
index_url_sources = collections.OrderedDict(
build_source(
loc,
candidates_from_page=candidates_from_page,
page_validator=self.session.is_secure_origin,
expand_dir=False,
cache_link_parsing=False,
project_name=project_name,
)
for loc in self.search_scope.get_index_urls_locations(project_name)
).values()
find_links_sources = collections.OrderedDict(
build_source(
loc,
candidates_from_page=candidates_from_page,
page_validator=self.session.is_secure_origin,
expand_dir=True,
cache_link_parsing=True,
project_name=project_name,
)
for loc in self.find_links
).values()
if logger.isEnabledFor(logging.DEBUG):
lines = [
f"* {s.link}"
for s in itertools.chain(find_links_sources, index_url_sources)
if s is not None and s.link is not None
]
lines = [
f"{len(lines)} location(s) to search "
f"for versions of {project_name}:"
] + lines
logger.debug("\n".join(lines))
return CollectedSources(
find_links=list(find_links_sources),
index_urls=list(index_url_sources),
)

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284
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import logging
import mimetypes
import os
from collections import defaultdict
from typing import Callable, Dict, Iterable, List, Optional, Tuple
from pip._vendor.packaging.utils import (
InvalidSdistFilename,
InvalidWheelFilename,
canonicalize_name,
parse_sdist_filename,
parse_wheel_filename,
)
from pip._internal.models.candidate import InstallationCandidate
from pip._internal.models.link import Link
from pip._internal.utils.urls import path_to_url, url_to_path
from pip._internal.vcs import is_url
logger = logging.getLogger(__name__)
FoundCandidates = Iterable[InstallationCandidate]
FoundLinks = Iterable[Link]
CandidatesFromPage = Callable[[Link], Iterable[InstallationCandidate]]
PageValidator = Callable[[Link], bool]
class LinkSource:
@property
def link(self) -> Optional[Link]:
"""Returns the underlying link, if there's one."""
raise NotImplementedError()
def page_candidates(self) -> FoundCandidates:
"""Candidates found by parsing an archive listing HTML file."""
raise NotImplementedError()
def file_links(self) -> FoundLinks:
"""Links found by specifying archives directly."""
raise NotImplementedError()
def _is_html_file(file_url: str) -> bool:
return mimetypes.guess_type(file_url, strict=False)[0] == "text/html"
class _FlatDirectoryToUrls:
"""Scans directory and caches results"""
def __init__(self, path: str) -> None:
self._path = path
self._page_candidates: List[str] = []
self._project_name_to_urls: Dict[str, List[str]] = defaultdict(list)
self._scanned_directory = False
def _scan_directory(self) -> None:
"""Scans directory once and populates both page_candidates
and project_name_to_urls at the same time
"""
for entry in os.scandir(self._path):
url = path_to_url(entry.path)
if _is_html_file(url):
self._page_candidates.append(url)
continue
# File must have a valid wheel or sdist name,
# otherwise not worth considering as a package
try:
project_filename = parse_wheel_filename(entry.name)[0]
except InvalidWheelFilename:
try:
project_filename = parse_sdist_filename(entry.name)[0]
except InvalidSdistFilename:
continue
self._project_name_to_urls[project_filename].append(url)
self._scanned_directory = True
@property
def page_candidates(self) -> List[str]:
if not self._scanned_directory:
self._scan_directory()
return self._page_candidates
@property
def project_name_to_urls(self) -> Dict[str, List[str]]:
if not self._scanned_directory:
self._scan_directory()
return self._project_name_to_urls
class _FlatDirectorySource(LinkSource):
"""Link source specified by ``--find-links=<path-to-dir>``.
This looks the content of the directory, and returns:
* ``page_candidates``: Links listed on each HTML file in the directory.
* ``file_candidates``: Archives in the directory.
"""
_paths_to_urls: Dict[str, _FlatDirectoryToUrls] = {}
def __init__(
self,
candidates_from_page: CandidatesFromPage,
path: str,
project_name: str,
) -> None:
self._candidates_from_page = candidates_from_page
self._project_name = canonicalize_name(project_name)
# Get existing instance of _FlatDirectoryToUrls if it exists
if path in self._paths_to_urls:
self._path_to_urls = self._paths_to_urls[path]
else:
self._path_to_urls = _FlatDirectoryToUrls(path=path)
self._paths_to_urls[path] = self._path_to_urls
@property
def link(self) -> Optional[Link]:
return None
def page_candidates(self) -> FoundCandidates:
for url in self._path_to_urls.page_candidates:
yield from self._candidates_from_page(Link(url))
def file_links(self) -> FoundLinks:
for url in self._path_to_urls.project_name_to_urls[self._project_name]:
yield Link(url)
class _LocalFileSource(LinkSource):
"""``--find-links=<path-or-url>`` or ``--[extra-]index-url=<path-or-url>``.
If a URL is supplied, it must be a ``file:`` URL. If a path is supplied to
the option, it is converted to a URL first. This returns:
* ``page_candidates``: Links listed on an HTML file.
* ``file_candidates``: The non-HTML file.
"""
def __init__(
self,
candidates_from_page: CandidatesFromPage,
link: Link,
) -> None:
self._candidates_from_page = candidates_from_page
self._link = link
@property
def link(self) -> Optional[Link]:
return self._link
def page_candidates(self) -> FoundCandidates:
if not _is_html_file(self._link.url):
return
yield from self._candidates_from_page(self._link)
def file_links(self) -> FoundLinks:
if _is_html_file(self._link.url):
return
yield self._link
class _RemoteFileSource(LinkSource):
"""``--find-links=<url>`` or ``--[extra-]index-url=<url>``.
This returns:
* ``page_candidates``: Links listed on an HTML file.
* ``file_candidates``: The non-HTML file.
"""
def __init__(
self,
candidates_from_page: CandidatesFromPage,
page_validator: PageValidator,
link: Link,
) -> None:
self._candidates_from_page = candidates_from_page
self._page_validator = page_validator
self._link = link
@property
def link(self) -> Optional[Link]:
return self._link
def page_candidates(self) -> FoundCandidates:
if not self._page_validator(self._link):
return
yield from self._candidates_from_page(self._link)
def file_links(self) -> FoundLinks:
yield self._link
class _IndexDirectorySource(LinkSource):
"""``--[extra-]index-url=<path-to-directory>``.
This is treated like a remote URL; ``candidates_from_page`` contains logic
for this by appending ``index.html`` to the link.
"""
def __init__(
self,
candidates_from_page: CandidatesFromPage,
link: Link,
) -> None:
self._candidates_from_page = candidates_from_page
self._link = link
@property
def link(self) -> Optional[Link]:
return self._link
def page_candidates(self) -> FoundCandidates:
yield from self._candidates_from_page(self._link)
def file_links(self) -> FoundLinks:
return ()
def build_source(
location: str,
*,
candidates_from_page: CandidatesFromPage,
page_validator: PageValidator,
expand_dir: bool,
cache_link_parsing: bool,
project_name: str,
) -> Tuple[Optional[str], Optional[LinkSource]]:
path: Optional[str] = None
url: Optional[str] = None
if os.path.exists(location): # Is a local path.
url = path_to_url(location)
path = location
elif location.startswith("file:"): # A file: URL.
url = location
path = url_to_path(location)
elif is_url(location):
url = location
if url is None:
msg = (
"Location '%s' is ignored: "
"it is either a non-existing path or lacks a specific scheme."
)
logger.warning(msg, location)
return (None, None)
if path is None:
source: LinkSource = _RemoteFileSource(
candidates_from_page=candidates_from_page,
page_validator=page_validator,
link=Link(url, cache_link_parsing=cache_link_parsing),
)
return (url, source)
if os.path.isdir(path):
if expand_dir:
source = _FlatDirectorySource(
candidates_from_page=candidates_from_page,
path=path,
project_name=project_name,
)
else:
source = _IndexDirectorySource(
candidates_from_page=candidates_from_page,
link=Link(url, cache_link_parsing=cache_link_parsing),
)
return (url, source)
elif os.path.isfile(path):
source = _LocalFileSource(
candidates_from_page=candidates_from_page,
link=Link(url, cache_link_parsing=cache_link_parsing),
)
return (url, source)
logger.warning(
"Location '%s' is ignored: it is neither a file nor a directory.",
location,
)
return (url, None)

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import functools
import logging
import os
import pathlib
import sys
import sysconfig
from typing import Any, Dict, Generator, Optional, Tuple
from pip._internal.models.scheme import SCHEME_KEYS, Scheme
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.virtualenv import running_under_virtualenv
from . import _sysconfig
from .base import (
USER_CACHE_DIR,
get_major_minor_version,
get_src_prefix,
is_osx_framework,
site_packages,
user_site,
)
__all__ = [
"USER_CACHE_DIR",
"get_bin_prefix",
"get_bin_user",
"get_major_minor_version",
"get_platlib",
"get_purelib",
"get_scheme",
"get_src_prefix",
"site_packages",
"user_site",
]
logger = logging.getLogger(__name__)
_PLATLIBDIR: str = getattr(sys, "platlibdir", "lib")
_USE_SYSCONFIG_DEFAULT = sys.version_info >= (3, 10)
def _should_use_sysconfig() -> bool:
"""This function determines the value of _USE_SYSCONFIG.
By default, pip uses sysconfig on Python 3.10+.
But Python distributors can override this decision by setting:
sysconfig._PIP_USE_SYSCONFIG = True / False
Rationale in https://github.com/pypa/pip/issues/10647
This is a function for testability, but should be constant during any one
run.
"""
return bool(getattr(sysconfig, "_PIP_USE_SYSCONFIG", _USE_SYSCONFIG_DEFAULT))
_USE_SYSCONFIG = _should_use_sysconfig()
if not _USE_SYSCONFIG:
# Import distutils lazily to avoid deprecation warnings,
# but import it soon enough that it is in memory and available during
# a pip reinstall.
from . import _distutils
# Be noisy about incompatibilities if this platforms "should" be using
# sysconfig, but is explicitly opting out and using distutils instead.
if _USE_SYSCONFIG_DEFAULT and not _USE_SYSCONFIG:
_MISMATCH_LEVEL = logging.WARNING
else:
_MISMATCH_LEVEL = logging.DEBUG
def _looks_like_bpo_44860() -> bool:
"""The resolution to bpo-44860 will change this incorrect platlib.
See <https://bugs.python.org/issue44860>.
"""
from distutils.command.install import INSTALL_SCHEMES
try:
unix_user_platlib = INSTALL_SCHEMES["unix_user"]["platlib"]
except KeyError:
return False
return unix_user_platlib == "$usersite"
def _looks_like_red_hat_patched_platlib_purelib(scheme: Dict[str, str]) -> bool:
platlib = scheme["platlib"]
if "/$platlibdir/" in platlib:
platlib = platlib.replace("/$platlibdir/", f"/{_PLATLIBDIR}/")
if "/lib64/" not in platlib:
return False
unpatched = platlib.replace("/lib64/", "/lib/")
return unpatched.replace("$platbase/", "$base/") == scheme["purelib"]
@functools.lru_cache(maxsize=None)
def _looks_like_red_hat_lib() -> bool:
"""Red Hat patches platlib in unix_prefix and unix_home, but not purelib.
This is the only way I can see to tell a Red Hat-patched Python.
"""
from distutils.command.install import INSTALL_SCHEMES
return all(
k in INSTALL_SCHEMES
and _looks_like_red_hat_patched_platlib_purelib(INSTALL_SCHEMES[k])
for k in ("unix_prefix", "unix_home")
)
@functools.lru_cache(maxsize=None)
def _looks_like_debian_scheme() -> bool:
"""Debian adds two additional schemes."""
from distutils.command.install import INSTALL_SCHEMES
return "deb_system" in INSTALL_SCHEMES and "unix_local" in INSTALL_SCHEMES
@functools.lru_cache(maxsize=None)
def _looks_like_red_hat_scheme() -> bool:
"""Red Hat patches ``sys.prefix`` and ``sys.exec_prefix``.
Red Hat's ``00251-change-user-install-location.patch`` changes the install
command's ``prefix`` and ``exec_prefix`` to append ``"/local"``. This is
(fortunately?) done quite unconditionally, so we create a default command
object without any configuration to detect this.
"""
from distutils.command.install import install
from distutils.dist import Distribution
cmd: Any = install(Distribution())
cmd.finalize_options()
return (
cmd.exec_prefix == f"{os.path.normpath(sys.exec_prefix)}/local"
and cmd.prefix == f"{os.path.normpath(sys.prefix)}/local"
)
@functools.lru_cache(maxsize=None)
def _looks_like_slackware_scheme() -> bool:
"""Slackware patches sysconfig but fails to patch distutils and site.
Slackware changes sysconfig's user scheme to use ``"lib64"`` for the lib
path, but does not do the same to the site module.
"""
if user_site is None: # User-site not available.
return False
try:
paths = sysconfig.get_paths(scheme="posix_user", expand=False)
except KeyError: # User-site not available.
return False
return "/lib64/" in paths["purelib"] and "/lib64/" not in user_site
@functools.lru_cache(maxsize=None)
def _looks_like_msys2_mingw_scheme() -> bool:
"""MSYS2 patches distutils and sysconfig to use a UNIX-like scheme.
However, MSYS2 incorrectly patches sysconfig ``nt`` scheme. The fix is
likely going to be included in their 3.10 release, so we ignore the warning.
See msys2/MINGW-packages#9319.
MSYS2 MINGW's patch uses lowercase ``"lib"`` instead of the usual uppercase,
and is missing the final ``"site-packages"``.
"""
paths = sysconfig.get_paths("nt", expand=False)
return all(
"Lib" not in p and "lib" in p and not p.endswith("site-packages")
for p in (paths[key] for key in ("platlib", "purelib"))
)
def _fix_abiflags(parts: Tuple[str]) -> Generator[str, None, None]:
ldversion = sysconfig.get_config_var("LDVERSION")
abiflags = getattr(sys, "abiflags", None)
# LDVERSION does not end with sys.abiflags. Just return the path unchanged.
if not ldversion or not abiflags or not ldversion.endswith(abiflags):
yield from parts
return
# Strip sys.abiflags from LDVERSION-based path components.
for part in parts:
if part.endswith(ldversion):
part = part[: (0 - len(abiflags))]
yield part
@functools.lru_cache(maxsize=None)
def _warn_mismatched(old: pathlib.Path, new: pathlib.Path, *, key: str) -> None:
issue_url = "https://github.com/pypa/pip/issues/10151"
message = (
"Value for %s does not match. Please report this to <%s>"
"\ndistutils: %s"
"\nsysconfig: %s"
)
logger.log(_MISMATCH_LEVEL, message, key, issue_url, old, new)
def _warn_if_mismatch(old: pathlib.Path, new: pathlib.Path, *, key: str) -> bool:
if old == new:
return False
_warn_mismatched(old, new, key=key)
return True
@functools.lru_cache(maxsize=None)
def _log_context(
*,
user: bool = False,
home: Optional[str] = None,
root: Optional[str] = None,
prefix: Optional[str] = None,
) -> None:
parts = [
"Additional context:",
"user = %r",
"home = %r",
"root = %r",
"prefix = %r",
]
logger.log(_MISMATCH_LEVEL, "\n".join(parts), user, home, root, prefix)
def get_scheme(
dist_name: str,
user: bool = False,
home: Optional[str] = None,
root: Optional[str] = None,
isolated: bool = False,
prefix: Optional[str] = None,
) -> Scheme:
new = _sysconfig.get_scheme(
dist_name,
user=user,
home=home,
root=root,
isolated=isolated,
prefix=prefix,
)
if _USE_SYSCONFIG:
return new
old = _distutils.get_scheme(
dist_name,
user=user,
home=home,
root=root,
isolated=isolated,
prefix=prefix,
)
warning_contexts = []
for k in SCHEME_KEYS:
old_v = pathlib.Path(getattr(old, k))
new_v = pathlib.Path(getattr(new, k))
if old_v == new_v:
continue
# distutils incorrectly put PyPy packages under ``site-packages/python``
# in the ``posix_home`` scheme, but PyPy devs said they expect the
# directory name to be ``pypy`` instead. So we treat this as a bug fix
# and not warn about it. See bpo-43307 and python/cpython#24628.
skip_pypy_special_case = (
sys.implementation.name == "pypy"
and home is not None
and k in ("platlib", "purelib")
and old_v.parent == new_v.parent
and old_v.name.startswith("python")
and new_v.name.startswith("pypy")
)
if skip_pypy_special_case:
continue
# sysconfig's ``osx_framework_user`` does not include ``pythonX.Y`` in
# the ``include`` value, but distutils's ``headers`` does. We'll let
# CPython decide whether this is a bug or feature. See bpo-43948.
skip_osx_framework_user_special_case = (
user
and is_osx_framework()
and k == "headers"
and old_v.parent.parent == new_v.parent
and old_v.parent.name.startswith("python")
)
if skip_osx_framework_user_special_case:
continue
# On Red Hat and derived Linux distributions, distutils is patched to
# use "lib64" instead of "lib" for platlib.
if k == "platlib" and _looks_like_red_hat_lib():
continue
# On Python 3.9+, sysconfig's posix_user scheme sets platlib against
# sys.platlibdir, but distutils's unix_user incorrectly coninutes
# using the same $usersite for both platlib and purelib. This creates a
# mismatch when sys.platlibdir is not "lib".
skip_bpo_44860 = (
user
and k == "platlib"
and not WINDOWS
and sys.version_info >= (3, 9)
and _PLATLIBDIR != "lib"
and _looks_like_bpo_44860()
)
if skip_bpo_44860:
continue
# Slackware incorrectly patches posix_user to use lib64 instead of lib,
# but not usersite to match the location.
skip_slackware_user_scheme = (
user
and k in ("platlib", "purelib")
and not WINDOWS
and _looks_like_slackware_scheme()
)
if skip_slackware_user_scheme:
continue
# Both Debian and Red Hat patch Python to place the system site under
# /usr/local instead of /usr. Debian also places lib in dist-packages
# instead of site-packages, but the /usr/local check should cover it.
skip_linux_system_special_case = (
not (user or home or prefix or running_under_virtualenv())
and old_v.parts[1:3] == ("usr", "local")
and len(new_v.parts) > 1
and new_v.parts[1] == "usr"
and (len(new_v.parts) < 3 or new_v.parts[2] != "local")
and (_looks_like_red_hat_scheme() or _looks_like_debian_scheme())
)
if skip_linux_system_special_case:
continue
# MSYS2 MINGW's sysconfig patch does not include the "site-packages"
# part of the path. This is incorrect and will be fixed in MSYS.
skip_msys2_mingw_bug = (
WINDOWS and k in ("platlib", "purelib") and _looks_like_msys2_mingw_scheme()
)
if skip_msys2_mingw_bug:
continue
# CPython's POSIX install script invokes pip (via ensurepip) against the
# interpreter located in the source tree, not the install site. This
# triggers special logic in sysconfig that's not present in distutils.
# https://github.com/python/cpython/blob/8c21941ddaf/Lib/sysconfig.py#L178-L194
skip_cpython_build = (
sysconfig.is_python_build(check_home=True)
and not WINDOWS
and k in ("headers", "include", "platinclude")
)
if skip_cpython_build:
continue
warning_contexts.append((old_v, new_v, f"scheme.{k}"))
if not warning_contexts:
return old
# Check if this path mismatch is caused by distutils config files. Those
# files will no longer work once we switch to sysconfig, so this raises a
# deprecation message for them.
default_old = _distutils.distutils_scheme(
dist_name,
user,
home,
root,
isolated,
prefix,
ignore_config_files=True,
)
if any(default_old[k] != getattr(old, k) for k in SCHEME_KEYS):
deprecated(
reason=(
"Configuring installation scheme with distutils config files "
"is deprecated and will no longer work in the near future. If you "
"are using a Homebrew or Linuxbrew Python, please see discussion "
"at https://github.com/Homebrew/homebrew-core/issues/76621"
),
replacement=None,
gone_in=None,
)
return old
# Post warnings about this mismatch so user can report them back.
for old_v, new_v, key in warning_contexts:
_warn_mismatched(old_v, new_v, key=key)
_log_context(user=user, home=home, root=root, prefix=prefix)
return old
def get_bin_prefix() -> str:
new = _sysconfig.get_bin_prefix()
if _USE_SYSCONFIG:
return new
old = _distutils.get_bin_prefix()
if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="bin_prefix"):
_log_context()
return old
def get_bin_user() -> str:
return _sysconfig.get_scheme("", user=True).scripts
def _looks_like_deb_system_dist_packages(value: str) -> bool:
"""Check if the value is Debian's APT-controlled dist-packages.
Debian's ``distutils.sysconfig.get_python_lib()`` implementation returns the
default package path controlled by APT, but does not patch ``sysconfig`` to
do the same. This is similar to the bug worked around in ``get_scheme()``,
but here the default is ``deb_system`` instead of ``unix_local``. Ultimately
we can't do anything about this Debian bug, and this detection allows us to
skip the warning when needed.
"""
if not _looks_like_debian_scheme():
return False
if value == "/usr/lib/python3/dist-packages":
return True
return False
def get_purelib() -> str:
"""Return the default pure-Python lib location."""
new = _sysconfig.get_purelib()
if _USE_SYSCONFIG:
return new
old = _distutils.get_purelib()
if _looks_like_deb_system_dist_packages(old):
return old
if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="purelib"):
_log_context()
return old
def get_platlib() -> str:
"""Return the default platform-shared lib location."""
new = _sysconfig.get_platlib()
if _USE_SYSCONFIG:
return new
from . import _distutils
old = _distutils.get_platlib()
if _looks_like_deb_system_dist_packages(old):
return old
if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="platlib"):
_log_context()
return old

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"""Locations where we look for configs, install stuff, etc"""
# The following comment should be removed at some point in the future.
# mypy: strict-optional=False
# If pip's going to use distutils, it should not be using the copy that setuptools
# might have injected into the environment. This is done by removing the injected
# shim, if it's injected.
#
# See https://github.com/pypa/pip/issues/8761 for the original discussion and
# rationale for why this is done within pip.
try:
__import__("_distutils_hack").remove_shim()
except (ImportError, AttributeError):
pass
import logging
import os
import sys
from distutils.cmd import Command as DistutilsCommand
from distutils.command.install import SCHEME_KEYS
from distutils.command.install import install as distutils_install_command
from distutils.sysconfig import get_python_lib
from typing import Dict, List, Optional, Union
from pip._internal.models.scheme import Scheme
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.virtualenv import running_under_virtualenv
from .base import get_major_minor_version
logger = logging.getLogger(__name__)
def distutils_scheme(
dist_name: str,
user: bool = False,
home: Optional[str] = None,
root: Optional[str] = None,
isolated: bool = False,
prefix: Optional[str] = None,
*,
ignore_config_files: bool = False,
) -> Dict[str, str]:
"""
Return a distutils install scheme
"""
from distutils.dist import Distribution
dist_args: Dict[str, Union[str, List[str]]] = {"name": dist_name}
if isolated:
dist_args["script_args"] = ["--no-user-cfg"]
d = Distribution(dist_args)
if not ignore_config_files:
try:
d.parse_config_files()
except UnicodeDecodeError:
paths = d.find_config_files()
logger.warning(
"Ignore distutils configs in %s due to encoding errors.",
", ".join(os.path.basename(p) for p in paths),
)
obj: Optional[DistutilsCommand] = None
obj = d.get_command_obj("install", create=True)
assert obj is not None
i: distutils_install_command = obj
# NOTE: setting user or home has the side-effect of creating the home dir
# or user base for installations during finalize_options()
# ideally, we'd prefer a scheme class that has no side-effects.
assert not (user and prefix), f"user={user} prefix={prefix}"
assert not (home and prefix), f"home={home} prefix={prefix}"
i.user = user or i.user
if user or home:
i.prefix = ""
i.prefix = prefix or i.prefix
i.home = home or i.home
i.root = root or i.root
i.finalize_options()
scheme: Dict[str, str] = {}
for key in SCHEME_KEYS:
scheme[key] = getattr(i, "install_" + key)
# install_lib specified in setup.cfg should install *everything*
# into there (i.e. it takes precedence over both purelib and
# platlib). Note, i.install_lib is *always* set after
# finalize_options(); we only want to override here if the user
# has explicitly requested it hence going back to the config
if "install_lib" in d.get_option_dict("install"):
scheme.update({"purelib": i.install_lib, "platlib": i.install_lib})
if running_under_virtualenv():
if home:
prefix = home
elif user:
prefix = i.install_userbase
else:
prefix = i.prefix
scheme["headers"] = os.path.join(
prefix,
"include",
"site",
f"python{get_major_minor_version()}",
dist_name,
)
if root is not None:
path_no_drive = os.path.splitdrive(os.path.abspath(scheme["headers"]))[1]
scheme["headers"] = os.path.join(root, path_no_drive[1:])
return scheme
def get_scheme(
dist_name: str,
user: bool = False,
home: Optional[str] = None,
root: Optional[str] = None,
isolated: bool = False,
prefix: Optional[str] = None,
) -> Scheme:
"""
Get the "scheme" corresponding to the input parameters. The distutils
documentation provides the context for the available schemes:
https://docs.python.org/3/install/index.html#alternate-installation
:param dist_name: the name of the package to retrieve the scheme for, used
in the headers scheme path
:param user: indicates to use the "user" scheme
:param home: indicates to use the "home" scheme and provides the base
directory for the same
:param root: root under which other directories are re-based
:param isolated: equivalent to --no-user-cfg, i.e. do not consider
~/.pydistutils.cfg (posix) or ~/pydistutils.cfg (non-posix) for
scheme paths
:param prefix: indicates to use the "prefix" scheme and provides the
base directory for the same
"""
scheme = distutils_scheme(dist_name, user, home, root, isolated, prefix)
return Scheme(
platlib=scheme["platlib"],
purelib=scheme["purelib"],
headers=scheme["headers"],
scripts=scheme["scripts"],
data=scheme["data"],
)
def get_bin_prefix() -> str:
# XXX: In old virtualenv versions, sys.prefix can contain '..' components,
# so we need to call normpath to eliminate them.
prefix = os.path.normpath(sys.prefix)
if WINDOWS:
bin_py = os.path.join(prefix, "Scripts")
# buildout uses 'bin' on Windows too?
if not os.path.exists(bin_py):
bin_py = os.path.join(prefix, "bin")
return bin_py
# Forcing to use /usr/local/bin for standard macOS framework installs
# Also log to ~/Library/Logs/ for use with the Console.app log viewer
if sys.platform[:6] == "darwin" and prefix[:16] == "/System/Library/":
return "/usr/local/bin"
return os.path.join(prefix, "bin")
def get_purelib() -> str:
return get_python_lib(plat_specific=False)
def get_platlib() -> str:
return get_python_lib(plat_specific=True)

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import logging
import os
import sys
import sysconfig
import typing
from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid
from pip._internal.models.scheme import SCHEME_KEYS, Scheme
from pip._internal.utils.virtualenv import running_under_virtualenv
from .base import change_root, get_major_minor_version, is_osx_framework
logger = logging.getLogger(__name__)
# Notes on _infer_* functions.
# Unfortunately ``get_default_scheme()`` didn't exist before 3.10, so there's no
# way to ask things like "what is the '_prefix' scheme on this platform". These
# functions try to answer that with some heuristics while accounting for ad-hoc
# platforms not covered by CPython's default sysconfig implementation. If the
# ad-hoc implementation does not fully implement sysconfig, we'll fall back to
# a POSIX scheme.
_AVAILABLE_SCHEMES = set(sysconfig.get_scheme_names())
_PREFERRED_SCHEME_API = getattr(sysconfig, "get_preferred_scheme", None)
def _should_use_osx_framework_prefix() -> bool:
"""Check for Apple's ``osx_framework_library`` scheme.
Python distributed by Apple's Command Line Tools has this special scheme
that's used when:
* This is a framework build.
* We are installing into the system prefix.
This does not account for ``pip install --prefix`` (also means we're not
installing to the system prefix), which should use ``posix_prefix``, but
logic here means ``_infer_prefix()`` outputs ``osx_framework_library``. But
since ``prefix`` is not available for ``sysconfig.get_default_scheme()``,
which is the stdlib replacement for ``_infer_prefix()``, presumably Apple
wouldn't be able to magically switch between ``osx_framework_library`` and
``posix_prefix``. ``_infer_prefix()`` returning ``osx_framework_library``
means its behavior is consistent whether we use the stdlib implementation
or our own, and we deal with this special case in ``get_scheme()`` instead.
"""
return (
"osx_framework_library" in _AVAILABLE_SCHEMES
and not running_under_virtualenv()
and is_osx_framework()
)
def _infer_prefix() -> str:
"""Try to find a prefix scheme for the current platform.
This tries:
* A special ``osx_framework_library`` for Python distributed by Apple's
Command Line Tools, when not running in a virtual environment.
* Implementation + OS, used by PyPy on Windows (``pypy_nt``).
* Implementation without OS, used by PyPy on POSIX (``pypy``).
* OS + "prefix", used by CPython on POSIX (``posix_prefix``).
* Just the OS name, used by CPython on Windows (``nt``).
If none of the above works, fall back to ``posix_prefix``.
"""
if _PREFERRED_SCHEME_API:
return _PREFERRED_SCHEME_API("prefix")
if _should_use_osx_framework_prefix():
return "osx_framework_library"
implementation_suffixed = f"{sys.implementation.name}_{os.name}"
if implementation_suffixed in _AVAILABLE_SCHEMES:
return implementation_suffixed
if sys.implementation.name in _AVAILABLE_SCHEMES:
return sys.implementation.name
suffixed = f"{os.name}_prefix"
if suffixed in _AVAILABLE_SCHEMES:
return suffixed
if os.name in _AVAILABLE_SCHEMES: # On Windows, prefx is just called "nt".
return os.name
return "posix_prefix"
def _infer_user() -> str:
"""Try to find a user scheme for the current platform."""
if _PREFERRED_SCHEME_API:
return _PREFERRED_SCHEME_API("user")
if is_osx_framework() and not running_under_virtualenv():
suffixed = "osx_framework_user"
else:
suffixed = f"{os.name}_user"
if suffixed in _AVAILABLE_SCHEMES:
return suffixed
if "posix_user" not in _AVAILABLE_SCHEMES: # User scheme unavailable.
raise UserInstallationInvalid()
return "posix_user"
def _infer_home() -> str:
"""Try to find a home for the current platform."""
if _PREFERRED_SCHEME_API:
return _PREFERRED_SCHEME_API("home")
suffixed = f"{os.name}_home"
if suffixed in _AVAILABLE_SCHEMES:
return suffixed
return "posix_home"
# Update these keys if the user sets a custom home.
_HOME_KEYS = [
"installed_base",
"base",
"installed_platbase",
"platbase",
"prefix",
"exec_prefix",
]
if sysconfig.get_config_var("userbase") is not None:
_HOME_KEYS.append("userbase")
def get_scheme(
dist_name: str,
user: bool = False,
home: typing.Optional[str] = None,
root: typing.Optional[str] = None,
isolated: bool = False,
prefix: typing.Optional[str] = None,
) -> Scheme:
"""
Get the "scheme" corresponding to the input parameters.
:param dist_name: the name of the package to retrieve the scheme for, used
in the headers scheme path
:param user: indicates to use the "user" scheme
:param home: indicates to use the "home" scheme
:param root: root under which other directories are re-based
:param isolated: ignored, but kept for distutils compatibility (where
this controls whether the user-site pydistutils.cfg is honored)
:param prefix: indicates to use the "prefix" scheme and provides the
base directory for the same
"""
if user and prefix:
raise InvalidSchemeCombination("--user", "--prefix")
if home and prefix:
raise InvalidSchemeCombination("--home", "--prefix")
if home is not None:
scheme_name = _infer_home()
elif user:
scheme_name = _infer_user()
else:
scheme_name = _infer_prefix()
# Special case: When installing into a custom prefix, use posix_prefix
# instead of osx_framework_library. See _should_use_osx_framework_prefix()
# docstring for details.
if prefix is not None and scheme_name == "osx_framework_library":
scheme_name = "posix_prefix"
if home is not None:
variables = {k: home for k in _HOME_KEYS}
elif prefix is not None:
variables = {k: prefix for k in _HOME_KEYS}
else:
variables = {}
paths = sysconfig.get_paths(scheme=scheme_name, vars=variables)
# Logic here is very arbitrary, we're doing it for compatibility, don't ask.
# 1. Pip historically uses a special header path in virtual environments.
# 2. If the distribution name is not known, distutils uses 'UNKNOWN'. We
# only do the same when not running in a virtual environment because
# pip's historical header path logic (see point 1) did not do this.
if running_under_virtualenv():
if user:
base = variables.get("userbase", sys.prefix)
else:
base = variables.get("base", sys.prefix)
python_xy = f"python{get_major_minor_version()}"
paths["include"] = os.path.join(base, "include", "site", python_xy)
elif not dist_name:
dist_name = "UNKNOWN"
scheme = Scheme(
platlib=paths["platlib"],
purelib=paths["purelib"],
headers=os.path.join(paths["include"], dist_name),
scripts=paths["scripts"],
data=paths["data"],
)
if root is not None:
converted_keys = {}
for key in SCHEME_KEYS:
converted_keys[key] = change_root(root, getattr(scheme, key))
scheme = Scheme(**converted_keys)
return scheme
def get_bin_prefix() -> str:
# Forcing to use /usr/local/bin for standard macOS framework installs.
if sys.platform[:6] == "darwin" and sys.prefix[:16] == "/System/Library/":
return "/usr/local/bin"
return sysconfig.get_paths()["scripts"]
def get_purelib() -> str:
return sysconfig.get_paths()["purelib"]
def get_platlib() -> str:
return sysconfig.get_paths()["platlib"]

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import functools
import os
import site
import sys
import sysconfig
import typing
from pip._internal.exceptions import InstallationError
from pip._internal.utils import appdirs
from pip._internal.utils.virtualenv import running_under_virtualenv
# Application Directories
USER_CACHE_DIR = appdirs.user_cache_dir("pip")
# FIXME doesn't account for venv linked to global site-packages
site_packages: str = sysconfig.get_path("purelib")
def get_major_minor_version() -> str:
"""
Return the major-minor version of the current Python as a string, e.g.
"3.7" or "3.10".
"""
return "{}.{}".format(*sys.version_info)
def change_root(new_root: str, pathname: str) -> str:
"""Return 'pathname' with 'new_root' prepended.
If 'pathname' is relative, this is equivalent to os.path.join(new_root, pathname).
Otherwise, it requires making 'pathname' relative and then joining the
two, which is tricky on DOS/Windows and Mac OS.
This is borrowed from Python's standard library's distutils module.
"""
if os.name == "posix":
if not os.path.isabs(pathname):
return os.path.join(new_root, pathname)
else:
return os.path.join(new_root, pathname[1:])
elif os.name == "nt":
(drive, path) = os.path.splitdrive(pathname)
if path[0] == "\\":
path = path[1:]
return os.path.join(new_root, path)
else:
raise InstallationError(
f"Unknown platform: {os.name}\n"
"Can not change root path prefix on unknown platform."
)
def get_src_prefix() -> str:
if running_under_virtualenv():
src_prefix = os.path.join(sys.prefix, "src")
else:
# FIXME: keep src in cwd for now (it is not a temporary folder)
try:
src_prefix = os.path.join(os.getcwd(), "src")
except OSError:
# In case the current working directory has been renamed or deleted
sys.exit("The folder you are executing pip from can no longer be found.")
# under macOS + virtualenv sys.prefix is not properly resolved
# it is something like /path/to/python/bin/..
return os.path.abspath(src_prefix)
try:
# Use getusersitepackages if this is present, as it ensures that the
# value is initialised properly.
user_site: typing.Optional[str] = site.getusersitepackages()
except AttributeError:
user_site = site.USER_SITE
@functools.lru_cache(maxsize=None)
def is_osx_framework() -> bool:
return bool(sysconfig.get_config_var("PYTHONFRAMEWORK"))

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from typing import List, Optional
def main(args: Optional[List[str]] = None) -> int:
"""This is preserved for old console scripts that may still be referencing
it.
For additional details, see https://github.com/pypa/pip/issues/7498.
"""
from pip._internal.utils.entrypoints import _wrapper
return _wrapper(args)

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import contextlib
import functools
import os
import sys
from typing import TYPE_CHECKING, List, Optional, Type, cast
from pip._internal.utils.misc import strtobool
from .base import BaseDistribution, BaseEnvironment, FilesystemWheel, MemoryWheel, Wheel
if TYPE_CHECKING:
from typing import Literal, Protocol
else:
Protocol = object
__all__ = [
"BaseDistribution",
"BaseEnvironment",
"FilesystemWheel",
"MemoryWheel",
"Wheel",
"get_default_environment",
"get_environment",
"get_wheel_distribution",
"select_backend",
]
def _should_use_importlib_metadata() -> bool:
"""Whether to use the ``importlib.metadata`` or ``pkg_resources`` backend.
By default, pip uses ``importlib.metadata`` on Python 3.11+, and
``pkg_resources`` otherwise. This can be overridden by a couple of ways:
* If environment variable ``_PIP_USE_IMPORTLIB_METADATA`` is set, it
dictates whether ``importlib.metadata`` is used, regardless of Python
version.
* On Python 3.11+, Python distributors can patch ``importlib.metadata``
to add a global constant ``_PIP_USE_IMPORTLIB_METADATA = False``. This
makes pip use ``pkg_resources`` (unless the user set the aforementioned
environment variable to *True*).
"""
with contextlib.suppress(KeyError, ValueError):
return bool(strtobool(os.environ["_PIP_USE_IMPORTLIB_METADATA"]))
if sys.version_info < (3, 11):
return False
import importlib.metadata
return bool(getattr(importlib.metadata, "_PIP_USE_IMPORTLIB_METADATA", True))
class Backend(Protocol):
NAME: 'Literal["importlib", "pkg_resources"]'
Distribution: Type[BaseDistribution]
Environment: Type[BaseEnvironment]
@functools.lru_cache(maxsize=None)
def select_backend() -> Backend:
if _should_use_importlib_metadata():
from . import importlib
return cast(Backend, importlib)
from . import pkg_resources
return cast(Backend, pkg_resources)
def get_default_environment() -> BaseEnvironment:
"""Get the default representation for the current environment.
This returns an Environment instance from the chosen backend. The default
Environment instance should be built from ``sys.path`` and may use caching
to share instance state across calls.
"""
return select_backend().Environment.default()
def get_environment(paths: Optional[List[str]]) -> BaseEnvironment:
"""Get a representation of the environment specified by ``paths``.
This returns an Environment instance from the chosen backend based on the
given import paths. The backend must build a fresh instance representing
the state of installed distributions when this function is called.
"""
return select_backend().Environment.from_paths(paths)
def get_directory_distribution(directory: str) -> BaseDistribution:
"""Get the distribution metadata representation in the specified directory.
This returns a Distribution instance from the chosen backend based on
the given on-disk ``.dist-info`` directory.
"""
return select_backend().Distribution.from_directory(directory)
def get_wheel_distribution(wheel: Wheel, canonical_name: str) -> BaseDistribution:
"""Get the representation of the specified wheel's distribution metadata.
This returns a Distribution instance from the chosen backend based on
the given wheel's ``.dist-info`` directory.
:param canonical_name: Normalized project name of the given wheel.
"""
return select_backend().Distribution.from_wheel(wheel, canonical_name)
def get_metadata_distribution(
metadata_contents: bytes,
filename: str,
canonical_name: str,
) -> BaseDistribution:
"""Get the dist representation of the specified METADATA file contents.
This returns a Distribution instance from the chosen backend sourced from the data
in `metadata_contents`.
:param metadata_contents: Contents of a METADATA file within a dist, or one served
via PEP 658.
:param filename: Filename for the dist this metadata represents.
:param canonical_name: Normalized project name of the given dist.
"""
return select_backend().Distribution.from_metadata_file_contents(
metadata_contents,
filename,
canonical_name,
)

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# Extracted from https://github.com/pfmoore/pkg_metadata
from email.header import Header, decode_header, make_header
from email.message import Message
from typing import Any, Dict, List, Union, cast
METADATA_FIELDS = [
# Name, Multiple-Use
("Metadata-Version", False),
("Name", False),
("Version", False),
("Dynamic", True),
("Platform", True),
("Supported-Platform", True),
("Summary", False),
("Description", False),
("Description-Content-Type", False),
("Keywords", False),
("Home-page", False),
("Download-URL", False),
("Author", False),
("Author-email", False),
("Maintainer", False),
("Maintainer-email", False),
("License", False),
("License-Expression", False),
("License-File", True),
("Classifier", True),
("Requires-Dist", True),
("Requires-Python", False),
("Requires-External", True),
("Project-URL", True),
("Provides-Extra", True),
("Provides-Dist", True),
("Obsoletes-Dist", True),
]
def json_name(field: str) -> str:
return field.lower().replace("-", "_")
def msg_to_json(msg: Message) -> Dict[str, Any]:
"""Convert a Message object into a JSON-compatible dictionary."""
def sanitise_header(h: Union[Header, str]) -> str:
if isinstance(h, Header):
chunks = []
for bytes, encoding in decode_header(h):
if encoding == "unknown-8bit":
try:
# See if UTF-8 works
bytes.decode("utf-8")
encoding = "utf-8"
except UnicodeDecodeError:
# If not, latin1 at least won't fail
encoding = "latin1"
chunks.append((bytes, encoding))
return str(make_header(chunks))
return str(h)
result = {}
for field, multi in METADATA_FIELDS:
if field not in msg:
continue
key = json_name(field)
if multi:
value: Union[str, List[str]] = [
sanitise_header(v) for v in msg.get_all(field) # type: ignore
]
else:
value = sanitise_header(msg.get(field)) # type: ignore
if key == "keywords":
# Accept both comma-separated and space-separated
# forms, for better compatibility with old data.
if "," in value:
value = [v.strip() for v in value.split(",")]
else:
value = value.split()
result[key] = value
payload = cast(str, msg.get_payload())
if payload:
result["description"] = payload
return result

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@ -1,688 +0,0 @@
import csv
import email.message
import functools
import json
import logging
import pathlib
import re
import zipfile
from typing import (
IO,
Any,
Collection,
Container,
Dict,
Iterable,
Iterator,
List,
NamedTuple,
Optional,
Protocol,
Tuple,
Union,
)
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.specifiers import InvalidSpecifier, SpecifierSet
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import Version
from pip._internal.exceptions import NoneMetadataError
from pip._internal.locations import site_packages, user_site
from pip._internal.models.direct_url import (
DIRECT_URL_METADATA_NAME,
DirectUrl,
DirectUrlValidationError,
)
from pip._internal.utils.compat import stdlib_pkgs # TODO: Move definition here.
from pip._internal.utils.egg_link import egg_link_path_from_sys_path
from pip._internal.utils.misc import is_local, normalize_path
from pip._internal.utils.urls import url_to_path
from ._json import msg_to_json
InfoPath = Union[str, pathlib.PurePath]
logger = logging.getLogger(__name__)
class BaseEntryPoint(Protocol):
@property
def name(self) -> str:
raise NotImplementedError()
@property
def value(self) -> str:
raise NotImplementedError()
@property
def group(self) -> str:
raise NotImplementedError()
def _convert_installed_files_path(
entry: Tuple[str, ...],
info: Tuple[str, ...],
) -> str:
"""Convert a legacy installed-files.txt path into modern RECORD path.
The legacy format stores paths relative to the info directory, while the
modern format stores paths relative to the package root, e.g. the
site-packages directory.
:param entry: Path parts of the installed-files.txt entry.
:param info: Path parts of the egg-info directory relative to package root.
:returns: The converted entry.
For best compatibility with symlinks, this does not use ``abspath()`` or
``Path.resolve()``, but tries to work with path parts:
1. While ``entry`` starts with ``..``, remove the equal amounts of parts
from ``info``; if ``info`` is empty, start appending ``..`` instead.
2. Join the two directly.
"""
while entry and entry[0] == "..":
if not info or info[-1] == "..":
info += ("..",)
else:
info = info[:-1]
entry = entry[1:]
return str(pathlib.Path(*info, *entry))
class RequiresEntry(NamedTuple):
requirement: str
extra: str
marker: str
class BaseDistribution(Protocol):
@classmethod
def from_directory(cls, directory: str) -> "BaseDistribution":
"""Load the distribution from a metadata directory.
:param directory: Path to a metadata directory, e.g. ``.dist-info``.
"""
raise NotImplementedError()
@classmethod
def from_metadata_file_contents(
cls,
metadata_contents: bytes,
filename: str,
project_name: str,
) -> "BaseDistribution":
"""Load the distribution from the contents of a METADATA file.
This is used to implement PEP 658 by generating a "shallow" dist object that can
be used for resolution without downloading or building the actual dist yet.
:param metadata_contents: The contents of a METADATA file.
:param filename: File name for the dist with this metadata.
:param project_name: Name of the project this dist represents.
"""
raise NotImplementedError()
@classmethod
def from_wheel(cls, wheel: "Wheel", name: str) -> "BaseDistribution":
"""Load the distribution from a given wheel.
:param wheel: A concrete wheel definition.
:param name: File name of the wheel.
:raises InvalidWheel: Whenever loading of the wheel causes a
:py:exc:`zipfile.BadZipFile` exception to be thrown.
:raises UnsupportedWheel: If the wheel is a valid zip, but malformed
internally.
"""
raise NotImplementedError()
def __repr__(self) -> str:
return f"{self.raw_name} {self.raw_version} ({self.location})"
def __str__(self) -> str:
return f"{self.raw_name} {self.raw_version}"
@property
def location(self) -> Optional[str]:
"""Where the distribution is loaded from.
A string value is not necessarily a filesystem path, since distributions
can be loaded from other sources, e.g. arbitrary zip archives. ``None``
means the distribution is created in-memory.
Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
this is a symbolic link, we want to preserve the relative path between
it and files in the distribution.
"""
raise NotImplementedError()
@property
def editable_project_location(self) -> Optional[str]:
"""The project location for editable distributions.
This is the directory where pyproject.toml or setup.py is located.
None if the distribution is not installed in editable mode.
"""
# TODO: this property is relatively costly to compute, memoize it ?
direct_url = self.direct_url
if direct_url:
if direct_url.is_local_editable():
return url_to_path(direct_url.url)
else:
# Search for an .egg-link file by walking sys.path, as it was
# done before by dist_is_editable().
egg_link_path = egg_link_path_from_sys_path(self.raw_name)
if egg_link_path:
# TODO: get project location from second line of egg_link file
# (https://github.com/pypa/pip/issues/10243)
return self.location
return None
@property
def installed_location(self) -> Optional[str]:
"""The distribution's "installed" location.
This should generally be a ``site-packages`` directory. This is
usually ``dist.location``, except for legacy develop-installed packages,
where ``dist.location`` is the source code location, and this is where
the ``.egg-link`` file is.
The returned location is normalized (in particular, with symlinks removed).
"""
raise NotImplementedError()
@property
def info_location(self) -> Optional[str]:
"""Location of the .[egg|dist]-info directory or file.
Similarly to ``location``, a string value is not necessarily a
filesystem path. ``None`` means the distribution is created in-memory.
For a modern .dist-info installation on disk, this should be something
like ``{location}/{raw_name}-{version}.dist-info``.
Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
this is a symbolic link, we want to preserve the relative path between
it and other files in the distribution.
"""
raise NotImplementedError()
@property
def installed_by_distutils(self) -> bool:
"""Whether this distribution is installed with legacy distutils format.
A distribution installed with "raw" distutils not patched by setuptools
uses one single file at ``info_location`` to store metadata. We need to
treat this specially on uninstallation.
"""
info_location = self.info_location
if not info_location:
return False
return pathlib.Path(info_location).is_file()
@property
def installed_as_egg(self) -> bool:
"""Whether this distribution is installed as an egg.
This usually indicates the distribution was installed by (older versions
of) easy_install.
"""
location = self.location
if not location:
return False
return location.endswith(".egg")
@property
def installed_with_setuptools_egg_info(self) -> bool:
"""Whether this distribution is installed with the ``.egg-info`` format.
This usually indicates the distribution was installed with setuptools
with an old pip version or with ``single-version-externally-managed``.
Note that this ensure the metadata store is a directory. distutils can
also installs an ``.egg-info``, but as a file, not a directory. This
property is *False* for that case. Also see ``installed_by_distutils``.
"""
info_location = self.info_location
if not info_location:
return False
if not info_location.endswith(".egg-info"):
return False
return pathlib.Path(info_location).is_dir()
@property
def installed_with_dist_info(self) -> bool:
"""Whether this distribution is installed with the "modern format".
This indicates a "modern" installation, e.g. storing metadata in the
``.dist-info`` directory. This applies to installations made by
setuptools (but through pip, not directly), or anything using the
standardized build backend interface (PEP 517).
"""
info_location = self.info_location
if not info_location:
return False
if not info_location.endswith(".dist-info"):
return False
return pathlib.Path(info_location).is_dir()
@property
def canonical_name(self) -> NormalizedName:
raise NotImplementedError()
@property
def version(self) -> Version:
raise NotImplementedError()
@property
def raw_version(self) -> str:
raise NotImplementedError()
@property
def setuptools_filename(self) -> str:
"""Convert a project name to its setuptools-compatible filename.
This is a copy of ``pkg_resources.to_filename()`` for compatibility.
"""
return self.raw_name.replace("-", "_")
@property
def direct_url(self) -> Optional[DirectUrl]:
"""Obtain a DirectUrl from this distribution.
Returns None if the distribution has no `direct_url.json` metadata,
or if `direct_url.json` is invalid.
"""
try:
content = self.read_text(DIRECT_URL_METADATA_NAME)
except FileNotFoundError:
return None
try:
return DirectUrl.from_json(content)
except (
UnicodeDecodeError,
json.JSONDecodeError,
DirectUrlValidationError,
) as e:
logger.warning(
"Error parsing %s for %s: %s",
DIRECT_URL_METADATA_NAME,
self.canonical_name,
e,
)
return None
@property
def installer(self) -> str:
try:
installer_text = self.read_text("INSTALLER")
except (OSError, ValueError, NoneMetadataError):
return "" # Fail silently if the installer file cannot be read.
for line in installer_text.splitlines():
cleaned_line = line.strip()
if cleaned_line:
return cleaned_line
return ""
@property
def requested(self) -> bool:
return self.is_file("REQUESTED")
@property
def editable(self) -> bool:
return bool(self.editable_project_location)
@property
def local(self) -> bool:
"""If distribution is installed in the current virtual environment.
Always True if we're not in a virtualenv.
"""
if self.installed_location is None:
return False
return is_local(self.installed_location)
@property
def in_usersite(self) -> bool:
if self.installed_location is None or user_site is None:
return False
return self.installed_location.startswith(normalize_path(user_site))
@property
def in_site_packages(self) -> bool:
if self.installed_location is None or site_packages is None:
return False
return self.installed_location.startswith(normalize_path(site_packages))
def is_file(self, path: InfoPath) -> bool:
"""Check whether an entry in the info directory is a file."""
raise NotImplementedError()
def iter_distutils_script_names(self) -> Iterator[str]:
"""Find distutils 'scripts' entries metadata.
If 'scripts' is supplied in ``setup.py``, distutils records those in the
installed distribution's ``scripts`` directory, a file for each script.
"""
raise NotImplementedError()
def read_text(self, path: InfoPath) -> str:
"""Read a file in the info directory.
:raise FileNotFoundError: If ``path`` does not exist in the directory.
:raise NoneMetadataError: If ``path`` exists in the info directory, but
cannot be read.
"""
raise NotImplementedError()
def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
raise NotImplementedError()
def _metadata_impl(self) -> email.message.Message:
raise NotImplementedError()
@functools.cached_property
def metadata(self) -> email.message.Message:
"""Metadata of distribution parsed from e.g. METADATA or PKG-INFO.
This should return an empty message if the metadata file is unavailable.
:raises NoneMetadataError: If the metadata file is available, but does
not contain valid metadata.
"""
metadata = self._metadata_impl()
self._add_egg_info_requires(metadata)
return metadata
@property
def metadata_dict(self) -> Dict[str, Any]:
"""PEP 566 compliant JSON-serializable representation of METADATA or PKG-INFO.
This should return an empty dict if the metadata file is unavailable.
:raises NoneMetadataError: If the metadata file is available, but does
not contain valid metadata.
"""
return msg_to_json(self.metadata)
@property
def metadata_version(self) -> Optional[str]:
"""Value of "Metadata-Version:" in distribution metadata, if available."""
return self.metadata.get("Metadata-Version")
@property
def raw_name(self) -> str:
"""Value of "Name:" in distribution metadata."""
# The metadata should NEVER be missing the Name: key, but if it somehow
# does, fall back to the known canonical name.
return self.metadata.get("Name", self.canonical_name)
@property
def requires_python(self) -> SpecifierSet:
"""Value of "Requires-Python:" in distribution metadata.
If the key does not exist or contains an invalid value, an empty
SpecifierSet should be returned.
"""
value = self.metadata.get("Requires-Python")
if value is None:
return SpecifierSet()
try:
# Convert to str to satisfy the type checker; this can be a Header object.
spec = SpecifierSet(str(value))
except InvalidSpecifier as e:
message = "Package %r has an invalid Requires-Python: %s"
logger.warning(message, self.raw_name, e)
return SpecifierSet()
return spec
def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
"""Dependencies of this distribution.
For modern .dist-info distributions, this is the collection of
"Requires-Dist:" entries in distribution metadata.
"""
raise NotImplementedError()
def iter_raw_dependencies(self) -> Iterable[str]:
"""Raw Requires-Dist metadata."""
return self.metadata.get_all("Requires-Dist", [])
def iter_provided_extras(self) -> Iterable[NormalizedName]:
"""Extras provided by this distribution.
For modern .dist-info distributions, this is the collection of
"Provides-Extra:" entries in distribution metadata.
The return value of this function is expected to be normalised names,
per PEP 685, with the returned value being handled appropriately by
`iter_dependencies`.
"""
raise NotImplementedError()
def _iter_declared_entries_from_record(self) -> Optional[Iterator[str]]:
try:
text = self.read_text("RECORD")
except FileNotFoundError:
return None
# This extra Path-str cast normalizes entries.
return (str(pathlib.Path(row[0])) for row in csv.reader(text.splitlines()))
def _iter_declared_entries_from_legacy(self) -> Optional[Iterator[str]]:
try:
text = self.read_text("installed-files.txt")
except FileNotFoundError:
return None
paths = (p for p in text.splitlines(keepends=False) if p)
root = self.location
info = self.info_location
if root is None or info is None:
return paths
try:
info_rel = pathlib.Path(info).relative_to(root)
except ValueError: # info is not relative to root.
return paths
if not info_rel.parts: # info *is* root.
return paths
return (
_convert_installed_files_path(pathlib.Path(p).parts, info_rel.parts)
for p in paths
)
def iter_declared_entries(self) -> Optional[Iterator[str]]:
"""Iterate through file entries declared in this distribution.
For modern .dist-info distributions, this is the files listed in the
``RECORD`` metadata file. For legacy setuptools distributions, this
comes from ``installed-files.txt``, with entries normalized to be
compatible with the format used by ``RECORD``.
:return: An iterator for listed entries, or None if the distribution
contains neither ``RECORD`` nor ``installed-files.txt``.
"""
return (
self._iter_declared_entries_from_record()
or self._iter_declared_entries_from_legacy()
)
def _iter_requires_txt_entries(self) -> Iterator[RequiresEntry]:
"""Parse a ``requires.txt`` in an egg-info directory.
This is an INI-ish format where an egg-info stores dependencies. A
section name describes extra other environment markers, while each entry
is an arbitrary string (not a key-value pair) representing a dependency
as a requirement string (no markers).
There is a construct in ``importlib.metadata`` called ``Sectioned`` that
does mostly the same, but the format is currently considered private.
"""
try:
content = self.read_text("requires.txt")
except FileNotFoundError:
return
extra = marker = "" # Section-less entries don't have markers.
for line in content.splitlines():
line = line.strip()
if not line or line.startswith("#"): # Comment; ignored.
continue
if line.startswith("[") and line.endswith("]"): # A section header.
extra, _, marker = line.strip("[]").partition(":")
continue
yield RequiresEntry(requirement=line, extra=extra, marker=marker)
def _iter_egg_info_extras(self) -> Iterable[str]:
"""Get extras from the egg-info directory."""
known_extras = {""}
for entry in self._iter_requires_txt_entries():
extra = canonicalize_name(entry.extra)
if extra in known_extras:
continue
known_extras.add(extra)
yield extra
def _iter_egg_info_dependencies(self) -> Iterable[str]:
"""Get distribution dependencies from the egg-info directory.
To ease parsing, this converts a legacy dependency entry into a PEP 508
requirement string. Like ``_iter_requires_txt_entries()``, there is code
in ``importlib.metadata`` that does mostly the same, but not do exactly
what we need.
Namely, ``importlib.metadata`` does not normalize the extra name before
putting it into the requirement string, which causes marker comparison
to fail because the dist-info format do normalize. This is consistent in
all currently available PEP 517 backends, although not standardized.
"""
for entry in self._iter_requires_txt_entries():
extra = canonicalize_name(entry.extra)
if extra and entry.marker:
marker = f'({entry.marker}) and extra == "{extra}"'
elif extra:
marker = f'extra == "{extra}"'
elif entry.marker:
marker = entry.marker
else:
marker = ""
if marker:
yield f"{entry.requirement} ; {marker}"
else:
yield entry.requirement
def _add_egg_info_requires(self, metadata: email.message.Message) -> None:
"""Add egg-info requires.txt information to the metadata."""
if not metadata.get_all("Requires-Dist"):
for dep in self._iter_egg_info_dependencies():
metadata["Requires-Dist"] = dep
if not metadata.get_all("Provides-Extra"):
for extra in self._iter_egg_info_extras():
metadata["Provides-Extra"] = extra
class BaseEnvironment:
"""An environment containing distributions to introspect."""
@classmethod
def default(cls) -> "BaseEnvironment":
raise NotImplementedError()
@classmethod
def from_paths(cls, paths: Optional[List[str]]) -> "BaseEnvironment":
raise NotImplementedError()
def get_distribution(self, name: str) -> Optional["BaseDistribution"]:
"""Given a requirement name, return the installed distributions.
The name may not be normalized. The implementation must canonicalize
it for lookup.
"""
raise NotImplementedError()
def _iter_distributions(self) -> Iterator["BaseDistribution"]:
"""Iterate through installed distributions.
This function should be implemented by subclass, but never called
directly. Use the public ``iter_distribution()`` instead, which
implements additional logic to make sure the distributions are valid.
"""
raise NotImplementedError()
def iter_all_distributions(self) -> Iterator[BaseDistribution]:
"""Iterate through all installed distributions without any filtering."""
for dist in self._iter_distributions():
# Make sure the distribution actually comes from a valid Python
# packaging distribution. Pip's AdjacentTempDirectory leaves folders
# e.g. ``~atplotlib.dist-info`` if cleanup was interrupted. The
# valid project name pattern is taken from PEP 508.
project_name_valid = re.match(
r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$",
dist.canonical_name,
flags=re.IGNORECASE,
)
if not project_name_valid:
logger.warning(
"Ignoring invalid distribution %s (%s)",
dist.canonical_name,
dist.location,
)
continue
yield dist
def iter_installed_distributions(
self,
local_only: bool = True,
skip: Container[str] = stdlib_pkgs,
include_editables: bool = True,
editables_only: bool = False,
user_only: bool = False,
) -> Iterator[BaseDistribution]:
"""Return a list of installed distributions.
This is based on ``iter_all_distributions()`` with additional filtering
options. Note that ``iter_installed_distributions()`` without arguments
is *not* equal to ``iter_all_distributions()``, since some of the
configurations exclude packages by default.
:param local_only: If True (default), only return installations
local to the current virtualenv, if in a virtualenv.
:param skip: An iterable of canonicalized project names to ignore;
defaults to ``stdlib_pkgs``.
:param include_editables: If False, don't report editables.
:param editables_only: If True, only report editables.
:param user_only: If True, only report installations in the user
site directory.
"""
it = self.iter_all_distributions()
if local_only:
it = (d for d in it if d.local)
if not include_editables:
it = (d for d in it if not d.editable)
if editables_only:
it = (d for d in it if d.editable)
if user_only:
it = (d for d in it if d.in_usersite)
return (d for d in it if d.canonical_name not in skip)
class Wheel(Protocol):
location: str
def as_zipfile(self) -> zipfile.ZipFile:
raise NotImplementedError()
class FilesystemWheel(Wheel):
def __init__(self, location: str) -> None:
self.location = location
def as_zipfile(self) -> zipfile.ZipFile:
return zipfile.ZipFile(self.location, allowZip64=True)
class MemoryWheel(Wheel):
def __init__(self, location: str, stream: IO[bytes]) -> None:
self.location = location
self.stream = stream
def as_zipfile(self) -> zipfile.ZipFile:
return zipfile.ZipFile(self.stream, allowZip64=True)

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from ._dists import Distribution
from ._envs import Environment
__all__ = ["NAME", "Distribution", "Environment"]
NAME = "importlib"

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import importlib.metadata
import os
from typing import Any, Optional, Protocol, Tuple, cast
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
class BadMetadata(ValueError):
def __init__(self, dist: importlib.metadata.Distribution, *, reason: str) -> None:
self.dist = dist
self.reason = reason
def __str__(self) -> str:
return f"Bad metadata in {self.dist} ({self.reason})"
class BasePath(Protocol):
"""A protocol that various path objects conform.
This exists because importlib.metadata uses both ``pathlib.Path`` and
``zipfile.Path``, and we need a common base for type hints (Union does not
work well since ``zipfile.Path`` is too new for our linter setup).
This does not mean to be exhaustive, but only contains things that present
in both classes *that we need*.
"""
@property
def name(self) -> str:
raise NotImplementedError()
@property
def parent(self) -> "BasePath":
raise NotImplementedError()
def get_info_location(d: importlib.metadata.Distribution) -> Optional[BasePath]:
"""Find the path to the distribution's metadata directory.
HACK: This relies on importlib.metadata's private ``_path`` attribute. Not
all distributions exist on disk, so importlib.metadata is correct to not
expose the attribute as public. But pip's code base is old and not as clean,
so we do this to avoid having to rewrite too many things. Hopefully we can
eliminate this some day.
"""
return getattr(d, "_path", None)
def parse_name_and_version_from_info_directory(
dist: importlib.metadata.Distribution,
) -> Tuple[Optional[str], Optional[str]]:
"""Get a name and version from the metadata directory name.
This is much faster than reading distribution metadata.
"""
info_location = get_info_location(dist)
if info_location is None:
return None, None
stem, suffix = os.path.splitext(info_location.name)
if suffix == ".dist-info":
name, sep, version = stem.partition("-")
if sep:
return name, version
if suffix == ".egg-info":
name = stem.split("-", 1)[0]
return name, None
return None, None
def get_dist_canonical_name(dist: importlib.metadata.Distribution) -> NormalizedName:
"""Get the distribution's normalized name.
The ``name`` attribute is only available in Python 3.10 or later. We are
targeting exactly that, but Mypy does not know this.
"""
if name := parse_name_and_version_from_info_directory(dist)[0]:
return canonicalize_name(name)
name = cast(Any, dist).name
if not isinstance(name, str):
raise BadMetadata(dist, reason="invalid metadata entry 'name'")
return canonicalize_name(name)

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import email.message
import importlib.metadata
import pathlib
import zipfile
from os import PathLike
from typing import (
Collection,
Dict,
Iterable,
Iterator,
Mapping,
Optional,
Sequence,
Union,
cast,
)
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import Version
from pip._vendor.packaging.version import parse as parse_version
from pip._internal.exceptions import InvalidWheel, UnsupportedWheel
from pip._internal.metadata.base import (
BaseDistribution,
BaseEntryPoint,
InfoPath,
Wheel,
)
from pip._internal.utils.misc import normalize_path
from pip._internal.utils.packaging import get_requirement
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file
from ._compat import (
BasePath,
get_dist_canonical_name,
parse_name_and_version_from_info_directory,
)
class WheelDistribution(importlib.metadata.Distribution):
"""An ``importlib.metadata.Distribution`` read from a wheel.
Although ``importlib.metadata.PathDistribution`` accepts ``zipfile.Path``,
its implementation is too "lazy" for pip's needs (we can't keep the ZipFile
handle open for the entire lifetime of the distribution object).
This implementation eagerly reads the entire metadata directory into the
memory instead, and operates from that.
"""
def __init__(
self,
files: Mapping[pathlib.PurePosixPath, bytes],
info_location: pathlib.PurePosixPath,
) -> None:
self._files = files
self.info_location = info_location
@classmethod
def from_zipfile(
cls,
zf: zipfile.ZipFile,
name: str,
location: str,
) -> "WheelDistribution":
info_dir, _ = parse_wheel(zf, name)
paths = (
(name, pathlib.PurePosixPath(name.split("/", 1)[-1]))
for name in zf.namelist()
if name.startswith(f"{info_dir}/")
)
files = {
relpath: read_wheel_metadata_file(zf, fullpath)
for fullpath, relpath in paths
}
info_location = pathlib.PurePosixPath(location, info_dir)
return cls(files, info_location)
def iterdir(self, path: InfoPath) -> Iterator[pathlib.PurePosixPath]:
# Only allow iterating through the metadata directory.
if pathlib.PurePosixPath(str(path)) in self._files:
return iter(self._files)
raise FileNotFoundError(path)
def read_text(self, filename: str) -> Optional[str]:
try:
data = self._files[pathlib.PurePosixPath(filename)]
except KeyError:
return None
try:
text = data.decode("utf-8")
except UnicodeDecodeError as e:
wheel = self.info_location.parent
error = f"Error decoding metadata for {wheel}: {e} in {filename} file"
raise UnsupportedWheel(error)
return text
def locate_file(self, path: Union[str, "PathLike[str]"]) -> pathlib.Path:
# This method doesn't make sense for our in-memory wheel, but the API
# requires us to define it.
raise NotImplementedError
class Distribution(BaseDistribution):
def __init__(
self,
dist: importlib.metadata.Distribution,
info_location: Optional[BasePath],
installed_location: Optional[BasePath],
) -> None:
self._dist = dist
self._info_location = info_location
self._installed_location = installed_location
@classmethod
def from_directory(cls, directory: str) -> BaseDistribution:
info_location = pathlib.Path(directory)
dist = importlib.metadata.Distribution.at(info_location)
return cls(dist, info_location, info_location.parent)
@classmethod
def from_metadata_file_contents(
cls,
metadata_contents: bytes,
filename: str,
project_name: str,
) -> BaseDistribution:
# Generate temp dir to contain the metadata file, and write the file contents.
temp_dir = pathlib.Path(
TempDirectory(kind="metadata", globally_managed=True).path
)
metadata_path = temp_dir / "METADATA"
metadata_path.write_bytes(metadata_contents)
# Construct dist pointing to the newly created directory.
dist = importlib.metadata.Distribution.at(metadata_path.parent)
return cls(dist, metadata_path.parent, None)
@classmethod
def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution:
try:
with wheel.as_zipfile() as zf:
dist = WheelDistribution.from_zipfile(zf, name, wheel.location)
except zipfile.BadZipFile as e:
raise InvalidWheel(wheel.location, name) from e
return cls(dist, dist.info_location, pathlib.PurePosixPath(wheel.location))
@property
def location(self) -> Optional[str]:
if self._info_location is None:
return None
return str(self._info_location.parent)
@property
def info_location(self) -> Optional[str]:
if self._info_location is None:
return None
return str(self._info_location)
@property
def installed_location(self) -> Optional[str]:
if self._installed_location is None:
return None
return normalize_path(str(self._installed_location))
@property
def canonical_name(self) -> NormalizedName:
return get_dist_canonical_name(self._dist)
@property
def version(self) -> Version:
if version := parse_name_and_version_from_info_directory(self._dist)[1]:
return parse_version(version)
return parse_version(self._dist.version)
@property
def raw_version(self) -> str:
return self._dist.version
def is_file(self, path: InfoPath) -> bool:
return self._dist.read_text(str(path)) is not None
def iter_distutils_script_names(self) -> Iterator[str]:
# A distutils installation is always "flat" (not in e.g. egg form), so
# if this distribution's info location is NOT a pathlib.Path (but e.g.
# zipfile.Path), it can never contain any distutils scripts.
if not isinstance(self._info_location, pathlib.Path):
return
for child in self._info_location.joinpath("scripts").iterdir():
yield child.name
def read_text(self, path: InfoPath) -> str:
content = self._dist.read_text(str(path))
if content is None:
raise FileNotFoundError(path)
return content
def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
# importlib.metadata's EntryPoint structure satisfies BaseEntryPoint.
return self._dist.entry_points
def _metadata_impl(self) -> email.message.Message:
# From Python 3.10+, importlib.metadata declares PackageMetadata as the
# return type. This protocol is unfortunately a disaster now and misses
# a ton of fields that we need, including get() and get_payload(). We
# rely on the implementation that the object is actually a Message now,
# until upstream can improve the protocol. (python/cpython#94952)
return cast(email.message.Message, self._dist.metadata)
def iter_provided_extras(self) -> Iterable[NormalizedName]:
return [
canonicalize_name(extra)
for extra in self.metadata.get_all("Provides-Extra", [])
]
def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
contexts: Sequence[Dict[str, str]] = [{"extra": e} for e in extras]
for req_string in self.metadata.get_all("Requires-Dist", []):
# strip() because email.message.Message.get_all() may return a leading \n
# in case a long header was wrapped.
req = get_requirement(req_string.strip())
if not req.marker:
yield req
elif not extras and req.marker.evaluate({"extra": ""}):
yield req
elif any(req.marker.evaluate(context) for context in contexts):
yield req

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import functools
import importlib.metadata
import logging
import os
import pathlib
import sys
import zipfile
import zipimport
from typing import Iterator, List, Optional, Sequence, Set, Tuple
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._internal.metadata.base import BaseDistribution, BaseEnvironment
from pip._internal.models.wheel import Wheel
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.filetypes import WHEEL_EXTENSION
from ._compat import BadMetadata, BasePath, get_dist_canonical_name, get_info_location
from ._dists import Distribution
logger = logging.getLogger(__name__)
def _looks_like_wheel(location: str) -> bool:
if not location.endswith(WHEEL_EXTENSION):
return False
if not os.path.isfile(location):
return False
if not Wheel.wheel_file_re.match(os.path.basename(location)):
return False
return zipfile.is_zipfile(location)
class _DistributionFinder:
"""Finder to locate distributions.
The main purpose of this class is to memoize found distributions' names, so
only one distribution is returned for each package name. At lot of pip code
assumes this (because it is setuptools's behavior), and not doing the same
can potentially cause a distribution in lower precedence path to override a
higher precedence one if the caller is not careful.
Eventually we probably want to make it possible to see lower precedence
installations as well. It's useful feature, after all.
"""
FoundResult = Tuple[importlib.metadata.Distribution, Optional[BasePath]]
def __init__(self) -> None:
self._found_names: Set[NormalizedName] = set()
def _find_impl(self, location: str) -> Iterator[FoundResult]:
"""Find distributions in a location."""
# Skip looking inside a wheel. Since a package inside a wheel is not
# always valid (due to .data directories etc.), its .dist-info entry
# should not be considered an installed distribution.
if _looks_like_wheel(location):
return
# To know exactly where we find a distribution, we have to feed in the
# paths one by one, instead of dumping the list to importlib.metadata.
for dist in importlib.metadata.distributions(path=[location]):
info_location = get_info_location(dist)
try:
name = get_dist_canonical_name(dist)
except BadMetadata as e:
logger.warning("Skipping %s due to %s", info_location, e.reason)
continue
if name in self._found_names:
continue
self._found_names.add(name)
yield dist, info_location
def find(self, location: str) -> Iterator[BaseDistribution]:
"""Find distributions in a location.
The path can be either a directory, or a ZIP archive.
"""
for dist, info_location in self._find_impl(location):
if info_location is None:
installed_location: Optional[BasePath] = None
else:
installed_location = info_location.parent
yield Distribution(dist, info_location, installed_location)
def find_linked(self, location: str) -> Iterator[BaseDistribution]:
"""Read location in egg-link files and return distributions in there.
The path should be a directory; otherwise this returns nothing. This
follows how setuptools does this for compatibility. The first non-empty
line in the egg-link is read as a path (resolved against the egg-link's
containing directory if relative). Distributions found at that linked
location are returned.
"""
path = pathlib.Path(location)
if not path.is_dir():
return
for child in path.iterdir():
if child.suffix != ".egg-link":
continue
with child.open() as f:
lines = (line.strip() for line in f)
target_rel = next((line for line in lines if line), "")
if not target_rel:
continue
target_location = str(path.joinpath(target_rel))
for dist, info_location in self._find_impl(target_location):
yield Distribution(dist, info_location, path)
def _find_eggs_in_dir(self, location: str) -> Iterator[BaseDistribution]:
from pip._vendor.pkg_resources import find_distributions
from pip._internal.metadata import pkg_resources as legacy
with os.scandir(location) as it:
for entry in it:
if not entry.name.endswith(".egg"):
continue
for dist in find_distributions(entry.path):
yield legacy.Distribution(dist)
def _find_eggs_in_zip(self, location: str) -> Iterator[BaseDistribution]:
from pip._vendor.pkg_resources import find_eggs_in_zip
from pip._internal.metadata import pkg_resources as legacy
try:
importer = zipimport.zipimporter(location)
except zipimport.ZipImportError:
return
for dist in find_eggs_in_zip(importer, location):
yield legacy.Distribution(dist)
def find_eggs(self, location: str) -> Iterator[BaseDistribution]:
"""Find eggs in a location.
This actually uses the old *pkg_resources* backend. We likely want to
deprecate this so we can eventually remove the *pkg_resources*
dependency entirely. Before that, this should first emit a deprecation
warning for some versions when using the fallback since importing
*pkg_resources* is slow for those who don't need it.
"""
if os.path.isdir(location):
yield from self._find_eggs_in_dir(location)
if zipfile.is_zipfile(location):
yield from self._find_eggs_in_zip(location)
@functools.lru_cache(maxsize=None) # Warn a distribution exactly once.
def _emit_egg_deprecation(location: Optional[str]) -> None:
deprecated(
reason=f"Loading egg at {location} is deprecated.",
replacement="to use pip for package installation",
gone_in="25.1",
issue=12330,
)
class Environment(BaseEnvironment):
def __init__(self, paths: Sequence[str]) -> None:
self._paths = paths
@classmethod
def default(cls) -> BaseEnvironment:
return cls(sys.path)
@classmethod
def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
if paths is None:
return cls(sys.path)
return cls(paths)
def _iter_distributions(self) -> Iterator[BaseDistribution]:
finder = _DistributionFinder()
for location in self._paths:
yield from finder.find(location)
for dist in finder.find_eggs(location):
_emit_egg_deprecation(dist.location)
yield dist
# This must go last because that's how pkg_resources tie-breaks.
yield from finder.find_linked(location)
def get_distribution(self, name: str) -> Optional[BaseDistribution]:
canonical_name = canonicalize_name(name)
matches = (
distribution
for distribution in self.iter_all_distributions()
if distribution.canonical_name == canonical_name
)
return next(matches, None)

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import email.message
import email.parser
import logging
import os
import zipfile
from typing import (
Collection,
Iterable,
Iterator,
List,
Mapping,
NamedTuple,
Optional,
)
from pip._vendor import pkg_resources
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import Version
from pip._vendor.packaging.version import parse as parse_version
from pip._internal.exceptions import InvalidWheel, NoneMetadataError, UnsupportedWheel
from pip._internal.utils.egg_link import egg_link_path_from_location
from pip._internal.utils.misc import display_path, normalize_path
from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file
from .base import (
BaseDistribution,
BaseEntryPoint,
BaseEnvironment,
InfoPath,
Wheel,
)
__all__ = ["NAME", "Distribution", "Environment"]
logger = logging.getLogger(__name__)
NAME = "pkg_resources"
class EntryPoint(NamedTuple):
name: str
value: str
group: str
class InMemoryMetadata:
"""IMetadataProvider that reads metadata files from a dictionary.
This also maps metadata decoding exceptions to our internal exception type.
"""
def __init__(self, metadata: Mapping[str, bytes], wheel_name: str) -> None:
self._metadata = metadata
self._wheel_name = wheel_name
def has_metadata(self, name: str) -> bool:
return name in self._metadata
def get_metadata(self, name: str) -> str:
try:
return self._metadata[name].decode()
except UnicodeDecodeError as e:
# Augment the default error with the origin of the file.
raise UnsupportedWheel(
f"Error decoding metadata for {self._wheel_name}: {e} in {name} file"
)
def get_metadata_lines(self, name: str) -> Iterable[str]:
return pkg_resources.yield_lines(self.get_metadata(name))
def metadata_isdir(self, name: str) -> bool:
return False
def metadata_listdir(self, name: str) -> List[str]:
return []
def run_script(self, script_name: str, namespace: str) -> None:
pass
class Distribution(BaseDistribution):
def __init__(self, dist: pkg_resources.Distribution) -> None:
self._dist = dist
# This is populated lazily, to avoid loading metadata for all possible
# distributions eagerly.
self.__extra_mapping: Optional[Mapping[NormalizedName, str]] = None
@property
def _extra_mapping(self) -> Mapping[NormalizedName, str]:
if self.__extra_mapping is None:
self.__extra_mapping = {
canonicalize_name(extra): extra for extra in self._dist.extras
}
return self.__extra_mapping
@classmethod
def from_directory(cls, directory: str) -> BaseDistribution:
dist_dir = directory.rstrip(os.sep)
# Build a PathMetadata object, from path to metadata. :wink:
base_dir, dist_dir_name = os.path.split(dist_dir)
metadata = pkg_resources.PathMetadata(base_dir, dist_dir)
# Determine the correct Distribution object type.
if dist_dir.endswith(".egg-info"):
dist_cls = pkg_resources.Distribution
dist_name = os.path.splitext(dist_dir_name)[0]
else:
assert dist_dir.endswith(".dist-info")
dist_cls = pkg_resources.DistInfoDistribution
dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0]
dist = dist_cls(base_dir, project_name=dist_name, metadata=metadata)
return cls(dist)
@classmethod
def from_metadata_file_contents(
cls,
metadata_contents: bytes,
filename: str,
project_name: str,
) -> BaseDistribution:
metadata_dict = {
"METADATA": metadata_contents,
}
dist = pkg_resources.DistInfoDistribution(
location=filename,
metadata=InMemoryMetadata(metadata_dict, filename),
project_name=project_name,
)
return cls(dist)
@classmethod
def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution:
try:
with wheel.as_zipfile() as zf:
info_dir, _ = parse_wheel(zf, name)
metadata_dict = {
path.split("/", 1)[-1]: read_wheel_metadata_file(zf, path)
for path in zf.namelist()
if path.startswith(f"{info_dir}/")
}
except zipfile.BadZipFile as e:
raise InvalidWheel(wheel.location, name) from e
except UnsupportedWheel as e:
raise UnsupportedWheel(f"{name} has an invalid wheel, {e}")
dist = pkg_resources.DistInfoDistribution(
location=wheel.location,
metadata=InMemoryMetadata(metadata_dict, wheel.location),
project_name=name,
)
return cls(dist)
@property
def location(self) -> Optional[str]:
return self._dist.location
@property
def installed_location(self) -> Optional[str]:
egg_link = egg_link_path_from_location(self.raw_name)
if egg_link:
location = egg_link
elif self.location:
location = self.location
else:
return None
return normalize_path(location)
@property
def info_location(self) -> Optional[str]:
return self._dist.egg_info
@property
def installed_by_distutils(self) -> bool:
# A distutils-installed distribution is provided by FileMetadata. This
# provider has a "path" attribute not present anywhere else. Not the
# best introspection logic, but pip has been doing this for a long time.
try:
return bool(self._dist._provider.path)
except AttributeError:
return False
@property
def canonical_name(self) -> NormalizedName:
return canonicalize_name(self._dist.project_name)
@property
def version(self) -> Version:
return parse_version(self._dist.version)
@property
def raw_version(self) -> str:
return self._dist.version
def is_file(self, path: InfoPath) -> bool:
return self._dist.has_metadata(str(path))
def iter_distutils_script_names(self) -> Iterator[str]:
yield from self._dist.metadata_listdir("scripts")
def read_text(self, path: InfoPath) -> str:
name = str(path)
if not self._dist.has_metadata(name):
raise FileNotFoundError(name)
content = self._dist.get_metadata(name)
if content is None:
raise NoneMetadataError(self, name)
return content
def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
for group, entries in self._dist.get_entry_map().items():
for name, entry_point in entries.items():
name, _, value = str(entry_point).partition("=")
yield EntryPoint(name=name.strip(), value=value.strip(), group=group)
def _metadata_impl(self) -> email.message.Message:
"""
:raises NoneMetadataError: if the distribution reports `has_metadata()`
True but `get_metadata()` returns None.
"""
if isinstance(self._dist, pkg_resources.DistInfoDistribution):
metadata_name = "METADATA"
else:
metadata_name = "PKG-INFO"
try:
metadata = self.read_text(metadata_name)
except FileNotFoundError:
if self.location:
displaying_path = display_path(self.location)
else:
displaying_path = repr(self.location)
logger.warning("No metadata found in %s", displaying_path)
metadata = ""
feed_parser = email.parser.FeedParser()
feed_parser.feed(metadata)
return feed_parser.close()
def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
if extras:
relevant_extras = set(self._extra_mapping) & set(
map(canonicalize_name, extras)
)
extras = [self._extra_mapping[extra] for extra in relevant_extras]
return self._dist.requires(extras)
def iter_provided_extras(self) -> Iterable[NormalizedName]:
return self._extra_mapping.keys()
class Environment(BaseEnvironment):
def __init__(self, ws: pkg_resources.WorkingSet) -> None:
self._ws = ws
@classmethod
def default(cls) -> BaseEnvironment:
return cls(pkg_resources.working_set)
@classmethod
def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
return cls(pkg_resources.WorkingSet(paths))
def _iter_distributions(self) -> Iterator[BaseDistribution]:
for dist in self._ws:
yield Distribution(dist)
def _search_distribution(self, name: str) -> Optional[BaseDistribution]:
"""Find a distribution matching the ``name`` in the environment.
This searches from *all* distributions available in the environment, to
match the behavior of ``pkg_resources.get_distribution()``.
"""
canonical_name = canonicalize_name(name)
for dist in self.iter_all_distributions():
if dist.canonical_name == canonical_name:
return dist
return None
def get_distribution(self, name: str) -> Optional[BaseDistribution]:
# Search the distribution by looking through the working set.
dist = self._search_distribution(name)
if dist:
return dist
# If distribution could not be found, call working_set.require to
# update the working set, and try to find the distribution again.
# This might happen for e.g. when you install a package twice, once
# using setup.py develop and again using setup.py install. Now when
# running pip uninstall twice, the package gets removed from the
# working set in the first uninstall, so we have to populate the
# working set again so that pip knows about it and the packages gets
# picked up and is successfully uninstalled the second time too.
try:
# We didn't pass in any version specifiers, so this can never
# raise pkg_resources.VersionConflict.
self._ws.require(name)
except pkg_resources.DistributionNotFound:
return None
return self._search_distribution(name)

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httpd/env/lib/python3.12/site-packages/pip/_internal/models/__init__.py vendored
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"""A package that contains models that represent entities.
"""

25
httpd/env/lib/python3.12/site-packages/pip/_internal/models/candidate.py vendored
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from dataclasses import dataclass
from pip._vendor.packaging.version import Version
from pip._vendor.packaging.version import parse as parse_version
from pip._internal.models.link import Link
@dataclass(frozen=True)
class InstallationCandidate:
"""Represents a potential "candidate" for installation."""
__slots__ = ["name", "version", "link"]
name: str
version: Version
link: Link
def __init__(self, name: str, version: str, link: Link) -> None:
object.__setattr__(self, "name", name)
object.__setattr__(self, "version", parse_version(version))
object.__setattr__(self, "link", link)
def __str__(self) -> str:
return f"{self.name!r} candidate (version {self.version} at {self.link})"

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httpd/env/lib/python3.12/site-packages/pip/_internal/models/direct_url.py vendored
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""" PEP 610 """
import json
import re
import urllib.parse
from dataclasses import dataclass
from typing import Any, ClassVar, Dict, Iterable, Optional, Type, TypeVar, Union
__all__ = [
"DirectUrl",
"DirectUrlValidationError",
"DirInfo",
"ArchiveInfo",
"VcsInfo",
]
T = TypeVar("T")
DIRECT_URL_METADATA_NAME = "direct_url.json"
ENV_VAR_RE = re.compile(r"^\$\{[A-Za-z0-9-_]+\}(:\$\{[A-Za-z0-9-_]+\})?$")
class DirectUrlValidationError(Exception):
pass
def _get(
d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
) -> Optional[T]:
"""Get value from dictionary and verify expected type."""
if key not in d:
return default
value = d[key]
if not isinstance(value, expected_type):
raise DirectUrlValidationError(
f"{value!r} has unexpected type for {key} (expected {expected_type})"
)
return value
def _get_required(
d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
) -> T:
value = _get(d, expected_type, key, default)
if value is None:
raise DirectUrlValidationError(f"{key} must have a value")
return value
def _exactly_one_of(infos: Iterable[Optional["InfoType"]]) -> "InfoType":
infos = [info for info in infos if info is not None]
if not infos:
raise DirectUrlValidationError(
"missing one of archive_info, dir_info, vcs_info"
)
if len(infos) > 1:
raise DirectUrlValidationError(
"more than one of archive_info, dir_info, vcs_info"
)
assert infos[0] is not None
return infos[0]
def _filter_none(**kwargs: Any) -> Dict[str, Any]:
"""Make dict excluding None values."""
return {k: v for k, v in kwargs.items() if v is not None}
@dataclass
class VcsInfo:
name: ClassVar = "vcs_info"
vcs: str
commit_id: str
requested_revision: Optional[str] = None
@classmethod
def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["VcsInfo"]:
if d is None:
return None
return cls(
vcs=_get_required(d, str, "vcs"),
commit_id=_get_required(d, str, "commit_id"),
requested_revision=_get(d, str, "requested_revision"),
)
def _to_dict(self) -> Dict[str, Any]:
return _filter_none(
vcs=self.vcs,
requested_revision=self.requested_revision,
commit_id=self.commit_id,
)
class ArchiveInfo:
name = "archive_info"
def __init__(
self,
hash: Optional[str] = None,
hashes: Optional[Dict[str, str]] = None,
) -> None:
# set hashes before hash, since the hash setter will further populate hashes
self.hashes = hashes
self.hash = hash
@property
def hash(self) -> Optional[str]:
return self._hash
@hash.setter
def hash(self, value: Optional[str]) -> None:
if value is not None:
# Auto-populate the hashes key to upgrade to the new format automatically.
# We don't back-populate the legacy hash key from hashes.
try:
hash_name, hash_value = value.split("=", 1)
except ValueError:
raise DirectUrlValidationError(
f"invalid archive_info.hash format: {value!r}"
)
if self.hashes is None:
self.hashes = {hash_name: hash_value}
elif hash_name not in self.hashes:
self.hashes = self.hashes.copy()
self.hashes[hash_name] = hash_value
self._hash = value
@classmethod
def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["ArchiveInfo"]:
if d is None:
return None
return cls(hash=_get(d, str, "hash"), hashes=_get(d, dict, "hashes"))
def _to_dict(self) -> Dict[str, Any]:
return _filter_none(hash=self.hash, hashes=self.hashes)
@dataclass
class DirInfo:
name: ClassVar = "dir_info"
editable: bool = False
@classmethod
def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["DirInfo"]:
if d is None:
return None
return cls(editable=_get_required(d, bool, "editable", default=False))
def _to_dict(self) -> Dict[str, Any]:
return _filter_none(editable=self.editable or None)
InfoType = Union[ArchiveInfo, DirInfo, VcsInfo]
@dataclass
class DirectUrl:
url: str
info: InfoType
subdirectory: Optional[str] = None
def _remove_auth_from_netloc(self, netloc: str) -> str:
if "@" not in netloc:
return netloc
user_pass, netloc_no_user_pass = netloc.split("@", 1)
if (
isinstance(self.info, VcsInfo)
and self.info.vcs == "git"
and user_pass == "git"
):
return netloc
if ENV_VAR_RE.match(user_pass):
return netloc
return netloc_no_user_pass
@property
def redacted_url(self) -> str:
"""url with user:password part removed unless it is formed with
environment variables as specified in PEP 610, or it is ``git``
in the case of a git URL.
"""
purl = urllib.parse.urlsplit(self.url)
netloc = self._remove_auth_from_netloc(purl.netloc)
surl = urllib.parse.urlunsplit(
(purl.scheme, netloc, purl.path, purl.query, purl.fragment)
)
return surl
def validate(self) -> None:
self.from_dict(self.to_dict())
@classmethod
def from_dict(cls, d: Dict[str, Any]) -> "DirectUrl":
return DirectUrl(
url=_get_required(d, str, "url"),
subdirectory=_get(d, str, "subdirectory"),
info=_exactly_one_of(
[
ArchiveInfo._from_dict(_get(d, dict, "archive_info")),
DirInfo._from_dict(_get(d, dict, "dir_info")),
VcsInfo._from_dict(_get(d, dict, "vcs_info")),
]
),
)
def to_dict(self) -> Dict[str, Any]:
res = _filter_none(
url=self.redacted_url,
subdirectory=self.subdirectory,
)
res[self.info.name] = self.info._to_dict()
return res
@classmethod
def from_json(cls, s: str) -> "DirectUrl":
return cls.from_dict(json.loads(s))
def to_json(self) -> str:
return json.dumps(self.to_dict(), sort_keys=True)
def is_local_editable(self) -> bool:
return isinstance(self.info, DirInfo) and self.info.editable

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from typing import FrozenSet, Optional, Set
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.exceptions import CommandError
class FormatControl:
"""Helper for managing formats from which a package can be installed."""
__slots__ = ["no_binary", "only_binary"]
def __init__(
self,
no_binary: Optional[Set[str]] = None,
only_binary: Optional[Set[str]] = None,
) -> None:
if no_binary is None:
no_binary = set()
if only_binary is None:
only_binary = set()
self.no_binary = no_binary
self.only_binary = only_binary
def __eq__(self, other: object) -> bool:
if not isinstance(other, self.__class__):
return NotImplemented
if self.__slots__ != other.__slots__:
return False
return all(getattr(self, k) == getattr(other, k) for k in self.__slots__)
def __repr__(self) -> str:
return f"{self.__class__.__name__}({self.no_binary}, {self.only_binary})"
@staticmethod
def handle_mutual_excludes(value: str, target: Set[str], other: Set[str]) -> None:
if value.startswith("-"):
raise CommandError(
"--no-binary / --only-binary option requires 1 argument."
)
new = value.split(",")
while ":all:" in new:
other.clear()
target.clear()
target.add(":all:")
del new[: new.index(":all:") + 1]
# Without a none, we want to discard everything as :all: covers it
if ":none:" not in new:
return
for name in new:
if name == ":none:":
target.clear()
continue
name = canonicalize_name(name)
other.discard(name)
target.add(name)
def get_allowed_formats(self, canonical_name: str) -> FrozenSet[str]:
result = {"binary", "source"}
if canonical_name in self.only_binary:
result.discard("source")
elif canonical_name in self.no_binary:
result.discard("binary")
elif ":all:" in self.only_binary:
result.discard("source")
elif ":all:" in self.no_binary:
result.discard("binary")
return frozenset(result)
def disallow_binaries(self) -> None:
self.handle_mutual_excludes(
":all:",
self.no_binary,
self.only_binary,
)

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import urllib.parse
class PackageIndex:
"""Represents a Package Index and provides easier access to endpoints"""
__slots__ = ["url", "netloc", "simple_url", "pypi_url", "file_storage_domain"]
def __init__(self, url: str, file_storage_domain: str) -> None:
super().__init__()
self.url = url
self.netloc = urllib.parse.urlsplit(url).netloc
self.simple_url = self._url_for_path("simple")
self.pypi_url = self._url_for_path("pypi")
# This is part of a temporary hack used to block installs of PyPI
# packages which depend on external urls only necessary until PyPI can
# block such packages themselves
self.file_storage_domain = file_storage_domain
def _url_for_path(self, path: str) -> str:
return urllib.parse.urljoin(self.url, path)
PyPI = PackageIndex("https://pypi.org/", file_storage_domain="files.pythonhosted.org")
TestPyPI = PackageIndex(
"https://test.pypi.org/", file_storage_domain="test-files.pythonhosted.org"
)

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from typing import Any, Dict, Sequence
from pip._vendor.packaging.markers import default_environment
from pip import __version__
from pip._internal.req.req_install import InstallRequirement
class InstallationReport:
def __init__(self, install_requirements: Sequence[InstallRequirement]):
self._install_requirements = install_requirements
@classmethod
def _install_req_to_dict(cls, ireq: InstallRequirement) -> Dict[str, Any]:
assert ireq.download_info, f"No download_info for {ireq}"
res = {
# PEP 610 json for the download URL. download_info.archive_info.hashes may
# be absent when the requirement was installed from the wheel cache
# and the cache entry was populated by an older pip version that did not
# record origin.json.
"download_info": ireq.download_info.to_dict(),
# is_direct is true if the requirement was a direct URL reference (which
# includes editable requirements), and false if the requirement was
# downloaded from a PEP 503 index or --find-links.
"is_direct": ireq.is_direct,
# is_yanked is true if the requirement was yanked from the index, but
# was still selected by pip to conform to PEP 592.
"is_yanked": ireq.link.is_yanked if ireq.link else False,
# requested is true if the requirement was specified by the user (aka
# top level requirement), and false if it was installed as a dependency of a
# requirement. https://peps.python.org/pep-0376/#requested
"requested": ireq.user_supplied,
# PEP 566 json encoding for metadata
# https://www.python.org/dev/peps/pep-0566/#json-compatible-metadata
"metadata": ireq.get_dist().metadata_dict,
}
if ireq.user_supplied and ireq.extras:
# For top level requirements, the list of requested extras, if any.
res["requested_extras"] = sorted(ireq.extras)
return res
def to_dict(self) -> Dict[str, Any]:
return {
"version": "1",
"pip_version": __version__,
"install": [
self._install_req_to_dict(ireq) for ireq in self._install_requirements
],
# https://peps.python.org/pep-0508/#environment-markers
# TODO: currently, the resolver uses the default environment to evaluate
# environment markers, so that is what we report here. In the future, it
# should also take into account options such as --python-version or
# --platform, perhaps under the form of an environment_override field?
# https://github.com/pypa/pip/issues/11198
"environment": default_environment(),
}

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import functools
import itertools
import logging
import os
import posixpath
import re
import urllib.parse
from dataclasses import dataclass
from typing import (
TYPE_CHECKING,
Any,
Dict,
List,
Mapping,
NamedTuple,
Optional,
Tuple,
Union,
)
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.filetypes import WHEEL_EXTENSION
from pip._internal.utils.hashes import Hashes
from pip._internal.utils.misc import (
pairwise,
redact_auth_from_url,
split_auth_from_netloc,
splitext,
)
from pip._internal.utils.urls import path_to_url, url_to_path
if TYPE_CHECKING:
from pip._internal.index.collector import IndexContent
logger = logging.getLogger(__name__)
# Order matters, earlier hashes have a precedence over later hashes for what
# we will pick to use.
_SUPPORTED_HASHES = ("sha512", "sha384", "sha256", "sha224", "sha1", "md5")
@dataclass(frozen=True)
class LinkHash:
"""Links to content may have embedded hash values. This class parses those.
`name` must be any member of `_SUPPORTED_HASHES`.
This class can be converted to and from `ArchiveInfo`. While ArchiveInfo intends to
be JSON-serializable to conform to PEP 610, this class contains the logic for
parsing a hash name and value for correctness, and then checking whether that hash
conforms to a schema with `.is_hash_allowed()`."""
name: str
value: str
_hash_url_fragment_re = re.compile(
# NB: we do not validate that the second group (.*) is a valid hex
# digest. Instead, we simply keep that string in this class, and then check it
# against Hashes when hash-checking is needed. This is easier to debug than
# proactively discarding an invalid hex digest, as we handle incorrect hashes
# and malformed hashes in the same place.
r"[#&]({choices})=([^&]*)".format(
choices="|".join(re.escape(hash_name) for hash_name in _SUPPORTED_HASHES)
),
)
def __post_init__(self) -> None:
assert self.name in _SUPPORTED_HASHES
@classmethod
@functools.lru_cache(maxsize=None)
def find_hash_url_fragment(cls, url: str) -> Optional["LinkHash"]:
"""Search a string for a checksum algorithm name and encoded output value."""
match = cls._hash_url_fragment_re.search(url)
if match is None:
return None
name, value = match.groups()
return cls(name=name, value=value)
def as_dict(self) -> Dict[str, str]:
return {self.name: self.value}
def as_hashes(self) -> Hashes:
"""Return a Hashes instance which checks only for the current hash."""
return Hashes({self.name: [self.value]})
def is_hash_allowed(self, hashes: Optional[Hashes]) -> bool:
"""
Return True if the current hash is allowed by `hashes`.
"""
if hashes is None:
return False
return hashes.is_hash_allowed(self.name, hex_digest=self.value)
@dataclass(frozen=True)
class MetadataFile:
"""Information about a core metadata file associated with a distribution."""
hashes: Optional[Dict[str, str]]
def __post_init__(self) -> None:
if self.hashes is not None:
assert all(name in _SUPPORTED_HASHES for name in self.hashes)
def supported_hashes(hashes: Optional[Dict[str, str]]) -> Optional[Dict[str, str]]:
# Remove any unsupported hash types from the mapping. If this leaves no
# supported hashes, return None
if hashes is None:
return None
hashes = {n: v for n, v in hashes.items() if n in _SUPPORTED_HASHES}
if not hashes:
return None
return hashes
def _clean_url_path_part(part: str) -> str:
"""
Clean a "part" of a URL path (i.e. after splitting on "@" characters).
"""
# We unquote prior to quoting to make sure nothing is double quoted.
return urllib.parse.quote(urllib.parse.unquote(part))
def _clean_file_url_path(part: str) -> str:
"""
Clean the first part of a URL path that corresponds to a local
filesystem path (i.e. the first part after splitting on "@" characters).
"""
# We unquote prior to quoting to make sure nothing is double quoted.
# Also, on Windows the path part might contain a drive letter which
# should not be quoted. On Linux where drive letters do not
# exist, the colon should be quoted. We rely on urllib.request
# to do the right thing here.
return urllib.request.pathname2url(urllib.request.url2pathname(part))
# percent-encoded: /
_reserved_chars_re = re.compile("(@|%2F)", re.IGNORECASE)
def _clean_url_path(path: str, is_local_path: bool) -> str:
"""
Clean the path portion of a URL.
"""
if is_local_path:
clean_func = _clean_file_url_path
else:
clean_func = _clean_url_path_part
# Split on the reserved characters prior to cleaning so that
# revision strings in VCS URLs are properly preserved.
parts = _reserved_chars_re.split(path)
cleaned_parts = []
for to_clean, reserved in pairwise(itertools.chain(parts, [""])):
cleaned_parts.append(clean_func(to_clean))
# Normalize %xx escapes (e.g. %2f -> %2F)
cleaned_parts.append(reserved.upper())
return "".join(cleaned_parts)
def _ensure_quoted_url(url: str) -> str:
"""
Make sure a link is fully quoted.
For example, if ' ' occurs in the URL, it will be replaced with "%20",
and without double-quoting other characters.
"""
# Split the URL into parts according to the general structure
# `scheme://netloc/path?query#fragment`.
result = urllib.parse.urlsplit(url)
# If the netloc is empty, then the URL refers to a local filesystem path.
is_local_path = not result.netloc
path = _clean_url_path(result.path, is_local_path=is_local_path)
return urllib.parse.urlunsplit(result._replace(path=path))
def _absolute_link_url(base_url: str, url: str) -> str:
"""
A faster implementation of urllib.parse.urljoin with a shortcut
for absolute http/https URLs.
"""
if url.startswith(("https://", "http://")):
return url
else:
return urllib.parse.urljoin(base_url, url)
@functools.total_ordering
class Link:
"""Represents a parsed link from a Package Index's simple URL"""
__slots__ = [
"_parsed_url",
"_url",
"_path",
"_hashes",
"comes_from",
"requires_python",
"yanked_reason",
"metadata_file_data",
"cache_link_parsing",
"egg_fragment",
]
def __init__(
self,
url: str,
comes_from: Optional[Union[str, "IndexContent"]] = None,
requires_python: Optional[str] = None,
yanked_reason: Optional[str] = None,
metadata_file_data: Optional[MetadataFile] = None,
cache_link_parsing: bool = True,
hashes: Optional[Mapping[str, str]] = None,
) -> None:
"""
:param url: url of the resource pointed to (href of the link)
:param comes_from: instance of IndexContent where the link was found,
or string.
:param requires_python: String containing the `Requires-Python`
metadata field, specified in PEP 345. This may be specified by
a data-requires-python attribute in the HTML link tag, as
described in PEP 503.
:param yanked_reason: the reason the file has been yanked, if the
file has been yanked, or None if the file hasn't been yanked.
This is the value of the "data-yanked" attribute, if present, in
a simple repository HTML link. If the file has been yanked but
no reason was provided, this should be the empty string. See
PEP 592 for more information and the specification.
:param metadata_file_data: the metadata attached to the file, or None if
no such metadata is provided. This argument, if not None, indicates
that a separate metadata file exists, and also optionally supplies
hashes for that file.
:param cache_link_parsing: A flag that is used elsewhere to determine
whether resources retrieved from this link should be cached. PyPI
URLs should generally have this set to False, for example.
:param hashes: A mapping of hash names to digests to allow us to
determine the validity of a download.
"""
# The comes_from, requires_python, and metadata_file_data arguments are
# only used by classmethods of this class, and are not used in client
# code directly.
# url can be a UNC windows share
if url.startswith("\\\\"):
url = path_to_url(url)
self._parsed_url = urllib.parse.urlsplit(url)
# Store the url as a private attribute to prevent accidentally
# trying to set a new value.
self._url = url
# The .path property is hot, so calculate its value ahead of time.
self._path = urllib.parse.unquote(self._parsed_url.path)
link_hash = LinkHash.find_hash_url_fragment(url)
hashes_from_link = {} if link_hash is None else link_hash.as_dict()
if hashes is None:
self._hashes = hashes_from_link
else:
self._hashes = {**hashes, **hashes_from_link}
self.comes_from = comes_from
self.requires_python = requires_python if requires_python else None
self.yanked_reason = yanked_reason
self.metadata_file_data = metadata_file_data
self.cache_link_parsing = cache_link_parsing
self.egg_fragment = self._egg_fragment()
@classmethod
def from_json(
cls,
file_data: Dict[str, Any],
page_url: str,
) -> Optional["Link"]:
"""
Convert an pypi json document from a simple repository page into a Link.
"""
file_url = file_data.get("url")
if file_url is None:
return None
url = _ensure_quoted_url(_absolute_link_url(page_url, file_url))
pyrequire = file_data.get("requires-python")
yanked_reason = file_data.get("yanked")
hashes = file_data.get("hashes", {})
# PEP 714: Indexes must use the name core-metadata, but
# clients should support the old name as a fallback for compatibility.
metadata_info = file_data.get("core-metadata")
if metadata_info is None:
metadata_info = file_data.get("dist-info-metadata")
# The metadata info value may be a boolean, or a dict of hashes.
if isinstance(metadata_info, dict):
# The file exists, and hashes have been supplied
metadata_file_data = MetadataFile(supported_hashes(metadata_info))
elif metadata_info:
# The file exists, but there are no hashes
metadata_file_data = MetadataFile(None)
else:
# False or not present: the file does not exist
metadata_file_data = None
# The Link.yanked_reason expects an empty string instead of a boolean.
if yanked_reason and not isinstance(yanked_reason, str):
yanked_reason = ""
# The Link.yanked_reason expects None instead of False.
elif not yanked_reason:
yanked_reason = None
return cls(
url,
comes_from=page_url,
requires_python=pyrequire,
yanked_reason=yanked_reason,
hashes=hashes,
metadata_file_data=metadata_file_data,
)
@classmethod
def from_element(
cls,
anchor_attribs: Dict[str, Optional[str]],
page_url: str,
base_url: str,
) -> Optional["Link"]:
"""
Convert an anchor element's attributes in a simple repository page to a Link.
"""
href = anchor_attribs.get("href")
if not href:
return None
url = _ensure_quoted_url(_absolute_link_url(base_url, href))
pyrequire = anchor_attribs.get("data-requires-python")
yanked_reason = anchor_attribs.get("data-yanked")
# PEP 714: Indexes must use the name data-core-metadata, but
# clients should support the old name as a fallback for compatibility.
metadata_info = anchor_attribs.get("data-core-metadata")
if metadata_info is None:
metadata_info = anchor_attribs.get("data-dist-info-metadata")
# The metadata info value may be the string "true", or a string of
# the form "hashname=hashval"
if metadata_info == "true":
# The file exists, but there are no hashes
metadata_file_data = MetadataFile(None)
elif metadata_info is None:
# The file does not exist
metadata_file_data = None
else:
# The file exists, and hashes have been supplied
hashname, sep, hashval = metadata_info.partition("=")
if sep == "=":
metadata_file_data = MetadataFile(supported_hashes({hashname: hashval}))
else:
# Error - data is wrong. Treat as no hashes supplied.
logger.debug(
"Index returned invalid data-dist-info-metadata value: %s",
metadata_info,
)
metadata_file_data = MetadataFile(None)
return cls(
url,
comes_from=page_url,
requires_python=pyrequire,
yanked_reason=yanked_reason,
metadata_file_data=metadata_file_data,
)
def __str__(self) -> str:
if self.requires_python:
rp = f" (requires-python:{self.requires_python})"
else:
rp = ""
if self.comes_from:
return f"{redact_auth_from_url(self._url)} (from {self.comes_from}){rp}"
else:
return redact_auth_from_url(str(self._url))
def __repr__(self) -> str:
return f"<Link {self}>"
def __hash__(self) -> int:
return hash(self.url)
def __eq__(self, other: Any) -> bool:
if not isinstance(other, Link):
return NotImplemented
return self.url == other.url
def __lt__(self, other: Any) -> bool:
if not isinstance(other, Link):
return NotImplemented
return self.url < other.url
@property
def url(self) -> str:
return self._url
@property
def filename(self) -> str:
path = self.path.rstrip("/")
name = posixpath.basename(path)
if not name:
# Make sure we don't leak auth information if the netloc
# includes a username and password.
netloc, user_pass = split_auth_from_netloc(self.netloc)
return netloc
name = urllib.parse.unquote(name)
assert name, f"URL {self._url!r} produced no filename"
return name
@property
def file_path(self) -> str:
return url_to_path(self.url)
@property
def scheme(self) -> str:
return self._parsed_url.scheme
@property
def netloc(self) -> str:
"""
This can contain auth information.
"""
return self._parsed_url.netloc
@property
def path(self) -> str:
return self._path
def splitext(self) -> Tuple[str, str]:
return splitext(posixpath.basename(self.path.rstrip("/")))
@property
def ext(self) -> str:
return self.splitext()[1]
@property
def url_without_fragment(self) -> str:
scheme, netloc, path, query, fragment = self._parsed_url
return urllib.parse.urlunsplit((scheme, netloc, path, query, ""))
_egg_fragment_re = re.compile(r"[#&]egg=([^&]*)")
# Per PEP 508.
_project_name_re = re.compile(
r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", re.IGNORECASE
)
def _egg_fragment(self) -> Optional[str]:
match = self._egg_fragment_re.search(self._url)
if not match:
return None
# An egg fragment looks like a PEP 508 project name, along with
# an optional extras specifier. Anything else is invalid.
project_name = match.group(1)
if not self._project_name_re.match(project_name):
deprecated(
reason=f"{self} contains an egg fragment with a non-PEP 508 name.",
replacement="to use the req @ url syntax, and remove the egg fragment",
gone_in="25.1",
issue=13157,
)
return project_name
_subdirectory_fragment_re = re.compile(r"[#&]subdirectory=([^&]*)")
@property
def subdirectory_fragment(self) -> Optional[str]:
match = self._subdirectory_fragment_re.search(self._url)
if not match:
return None
return match.group(1)
def metadata_link(self) -> Optional["Link"]:
"""Return a link to the associated core metadata file (if any)."""
if self.metadata_file_data is None:
return None
metadata_url = f"{self.url_without_fragment}.metadata"
if self.metadata_file_data.hashes is None:
return Link(metadata_url)
return Link(metadata_url, hashes=self.metadata_file_data.hashes)
def as_hashes(self) -> Hashes:
return Hashes({k: [v] for k, v in self._hashes.items()})
@property
def hash(self) -> Optional[str]:
return next(iter(self._hashes.values()), None)
@property
def hash_name(self) -> Optional[str]:
return next(iter(self._hashes), None)
@property
def show_url(self) -> str:
return posixpath.basename(self._url.split("#", 1)[0].split("?", 1)[0])
@property
def is_file(self) -> bool:
return self.scheme == "file"
def is_existing_dir(self) -> bool:
return self.is_file and os.path.isdir(self.file_path)
@property
def is_wheel(self) -> bool:
return self.ext == WHEEL_EXTENSION
@property
def is_vcs(self) -> bool:
from pip._internal.vcs import vcs
return self.scheme in vcs.all_schemes
@property
def is_yanked(self) -> bool:
return self.yanked_reason is not None
@property
def has_hash(self) -> bool:
return bool(self._hashes)
def is_hash_allowed(self, hashes: Optional[Hashes]) -> bool:
"""
Return True if the link has a hash and it is allowed by `hashes`.
"""
if hashes is None:
return False
return any(hashes.is_hash_allowed(k, v) for k, v in self._hashes.items())
class _CleanResult(NamedTuple):
"""Convert link for equivalency check.
This is used in the resolver to check whether two URL-specified requirements
likely point to the same distribution and can be considered equivalent. This
equivalency logic avoids comparing URLs literally, which can be too strict
(e.g. "a=1&b=2" vs "b=2&a=1") and produce conflicts unexpecting to users.
Currently this does three things:
1. Drop the basic auth part. This is technically wrong since a server can
serve different content based on auth, but if it does that, it is even
impossible to guarantee two URLs without auth are equivalent, since
the user can input different auth information when prompted. So the
practical solution is to assume the auth doesn't affect the response.
2. Parse the query to avoid the ordering issue. Note that ordering under the
same key in the query are NOT cleaned; i.e. "a=1&a=2" and "a=2&a=1" are
still considered different.
3. Explicitly drop most of the fragment part, except ``subdirectory=`` and
hash values, since it should have no impact the downloaded content. Note
that this drops the "egg=" part historically used to denote the requested
project (and extras), which is wrong in the strictest sense, but too many
people are supplying it inconsistently to cause superfluous resolution
conflicts, so we choose to also ignore them.
"""
parsed: urllib.parse.SplitResult
query: Dict[str, List[str]]
subdirectory: str
hashes: Dict[str, str]
def _clean_link(link: Link) -> _CleanResult:
parsed = link._parsed_url
netloc = parsed.netloc.rsplit("@", 1)[-1]
# According to RFC 8089, an empty host in file: means localhost.
if parsed.scheme == "file" and not netloc:
netloc = "localhost"
fragment = urllib.parse.parse_qs(parsed.fragment)
if "egg" in fragment:
logger.debug("Ignoring egg= fragment in %s", link)
try:
# If there are multiple subdirectory values, use the first one.
# This matches the behavior of Link.subdirectory_fragment.
subdirectory = fragment["subdirectory"][0]
except (IndexError, KeyError):
subdirectory = ""
# If there are multiple hash values under the same algorithm, use the
# first one. This matches the behavior of Link.hash_value.
hashes = {k: fragment[k][0] for k in _SUPPORTED_HASHES if k in fragment}
return _CleanResult(
parsed=parsed._replace(netloc=netloc, query="", fragment=""),
query=urllib.parse.parse_qs(parsed.query),
subdirectory=subdirectory,
hashes=hashes,
)
@functools.lru_cache(maxsize=None)
def links_equivalent(link1: Link, link2: Link) -> bool:
return _clean_link(link1) == _clean_link(link2)

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"""
For types associated with installation schemes.
For a general overview of available schemes and their context, see
https://docs.python.org/3/install/index.html#alternate-installation.
"""
from dataclasses import dataclass
SCHEME_KEYS = ["platlib", "purelib", "headers", "scripts", "data"]
@dataclass(frozen=True)
class Scheme:
"""A Scheme holds paths which are used as the base directories for
artifacts associated with a Python package.
"""
__slots__ = SCHEME_KEYS
platlib: str
purelib: str
headers: str
scripts: str
data: str

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import itertools
import logging
import os
import posixpath
import urllib.parse
from dataclasses import dataclass
from typing import List
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.models.index import PyPI
from pip._internal.utils.compat import has_tls
from pip._internal.utils.misc import normalize_path, redact_auth_from_url
logger = logging.getLogger(__name__)
@dataclass(frozen=True)
class SearchScope:
"""
Encapsulates the locations that pip is configured to search.
"""
__slots__ = ["find_links", "index_urls", "no_index"]
find_links: List[str]
index_urls: List[str]
no_index: bool
@classmethod
def create(
cls,
find_links: List[str],
index_urls: List[str],
no_index: bool,
) -> "SearchScope":
"""
Create a SearchScope object after normalizing the `find_links`.
"""
# Build find_links. If an argument starts with ~, it may be
# a local file relative to a home directory. So try normalizing
# it and if it exists, use the normalized version.
# This is deliberately conservative - it might be fine just to
# blindly normalize anything starting with a ~...
built_find_links: List[str] = []
for link in find_links:
if link.startswith("~"):
new_link = normalize_path(link)
if os.path.exists(new_link):
link = new_link
built_find_links.append(link)
# If we don't have TLS enabled, then WARN if anyplace we're looking
# relies on TLS.
if not has_tls():
for link in itertools.chain(index_urls, built_find_links):
parsed = urllib.parse.urlparse(link)
if parsed.scheme == "https":
logger.warning(
"pip is configured with locations that require "
"TLS/SSL, however the ssl module in Python is not "
"available."
)
break
return cls(
find_links=built_find_links,
index_urls=index_urls,
no_index=no_index,
)
def get_formatted_locations(self) -> str:
lines = []
redacted_index_urls = []
if self.index_urls and self.index_urls != [PyPI.simple_url]:
for url in self.index_urls:
redacted_index_url = redact_auth_from_url(url)
# Parse the URL
purl = urllib.parse.urlsplit(redacted_index_url)
# URL is generally invalid if scheme and netloc is missing
# there are issues with Python and URL parsing, so this test
# is a bit crude. See bpo-20271, bpo-23505. Python doesn't
# always parse invalid URLs correctly - it should raise
# exceptions for malformed URLs
if not purl.scheme and not purl.netloc:
logger.warning(
'The index url "%s" seems invalid, please provide a scheme.',
redacted_index_url,
)
redacted_index_urls.append(redacted_index_url)
lines.append(
"Looking in indexes: {}".format(", ".join(redacted_index_urls))
)
if self.find_links:
lines.append(
"Looking in links: {}".format(
", ".join(redact_auth_from_url(url) for url in self.find_links)
)
)
return "\n".join(lines)
def get_index_urls_locations(self, project_name: str) -> List[str]:
"""Returns the locations found via self.index_urls
Checks the url_name on the main (first in the list) index and
use this url_name to produce all locations
"""
def mkurl_pypi_url(url: str) -> str:
loc = posixpath.join(
url, urllib.parse.quote(canonicalize_name(project_name))
)
# For maximum compatibility with easy_install, ensure the path
# ends in a trailing slash. Although this isn't in the spec
# (and PyPI can handle it without the slash) some other index
# implementations might break if they relied on easy_install's
# behavior.
if not loc.endswith("/"):
loc = loc + "/"
return loc
return [mkurl_pypi_url(url) for url in self.index_urls]

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httpd/env/lib/python3.12/site-packages/pip/_internal/models/selection_prefs.py vendored
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from typing import Optional
from pip._internal.models.format_control import FormatControl
# TODO: This needs Python 3.10's improved slots support for dataclasses
# to be converted into a dataclass.
class SelectionPreferences:
"""
Encapsulates the candidate selection preferences for downloading
and installing files.
"""
__slots__ = [
"allow_yanked",
"allow_all_prereleases",
"format_control",
"prefer_binary",
"ignore_requires_python",
]
# Don't include an allow_yanked default value to make sure each call
# site considers whether yanked releases are allowed. This also causes
# that decision to be made explicit in the calling code, which helps
# people when reading the code.
def __init__(
self,
allow_yanked: bool,
allow_all_prereleases: bool = False,
format_control: Optional[FormatControl] = None,
prefer_binary: bool = False,
ignore_requires_python: Optional[bool] = None,
) -> None:
"""Create a SelectionPreferences object.
:param allow_yanked: Whether files marked as yanked (in the sense
of PEP 592) are permitted to be candidates for install.
:param format_control: A FormatControl object or None. Used to control
the selection of source packages / binary packages when consulting
the index and links.
:param prefer_binary: Whether to prefer an old, but valid, binary
dist over a new source dist.
:param ignore_requires_python: Whether to ignore incompatible
"Requires-Python" values in links. Defaults to False.
"""
if ignore_requires_python is None:
ignore_requires_python = False
self.allow_yanked = allow_yanked
self.allow_all_prereleases = allow_all_prereleases
self.format_control = format_control
self.prefer_binary = prefer_binary
self.ignore_requires_python = ignore_requires_python

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import sys
from typing import List, Optional, Set, Tuple
from pip._vendor.packaging.tags import Tag
from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot
from pip._internal.utils.misc import normalize_version_info
class TargetPython:
"""
Encapsulates the properties of a Python interpreter one is targeting
for a package install, download, etc.
"""
__slots__ = [
"_given_py_version_info",
"abis",
"implementation",
"platforms",
"py_version",
"py_version_info",
"_valid_tags",
"_valid_tags_set",
]
def __init__(
self,
platforms: Optional[List[str]] = None,
py_version_info: Optional[Tuple[int, ...]] = None,
abis: Optional[List[str]] = None,
implementation: Optional[str] = None,
) -> None:
"""
:param platforms: A list of strings or None. If None, searches for
packages that are supported by the current system. Otherwise, will
find packages that can be built on the platforms passed in. These
packages will only be downloaded for distribution: they will
not be built locally.
:param py_version_info: An optional tuple of ints representing the
Python version information to use (e.g. `sys.version_info[:3]`).
This can have length 1, 2, or 3 when provided.
:param abis: A list of strings or None. This is passed to
compatibility_tags.py's get_supported() function as is.
:param implementation: A string or None. This is passed to
compatibility_tags.py's get_supported() function as is.
"""
# Store the given py_version_info for when we call get_supported().
self._given_py_version_info = py_version_info
if py_version_info is None:
py_version_info = sys.version_info[:3]
else:
py_version_info = normalize_version_info(py_version_info)
py_version = ".".join(map(str, py_version_info[:2]))
self.abis = abis
self.implementation = implementation
self.platforms = platforms
self.py_version = py_version
self.py_version_info = py_version_info
# This is used to cache the return value of get_(un)sorted_tags.
self._valid_tags: Optional[List[Tag]] = None
self._valid_tags_set: Optional[Set[Tag]] = None
def format_given(self) -> str:
"""
Format the given, non-None attributes for display.
"""
display_version = None
if self._given_py_version_info is not None:
display_version = ".".join(
str(part) for part in self._given_py_version_info
)
key_values = [
("platforms", self.platforms),
("version_info", display_version),
("abis", self.abis),
("implementation", self.implementation),
]
return " ".join(
f"{key}={value!r}" for key, value in key_values if value is not None
)
def get_sorted_tags(self) -> List[Tag]:
"""
Return the supported PEP 425 tags to check wheel candidates against.
The tags are returned in order of preference (most preferred first).
"""
if self._valid_tags is None:
# Pass versions=None if no py_version_info was given since
# versions=None uses special default logic.
py_version_info = self._given_py_version_info
if py_version_info is None:
version = None
else:
version = version_info_to_nodot(py_version_info)
tags = get_supported(
version=version,
platforms=self.platforms,
abis=self.abis,
impl=self.implementation,
)
self._valid_tags = tags
return self._valid_tags
def get_unsorted_tags(self) -> Set[Tag]:
"""Exactly the same as get_sorted_tags, but returns a set.
This is important for performance.
"""
if self._valid_tags_set is None:
self._valid_tags_set = set(self.get_sorted_tags())
return self._valid_tags_set

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httpd/env/lib/python3.12/site-packages/pip/_internal/models/wheel.py vendored
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"""Represents a wheel file and provides access to the various parts of the
name that have meaning.
"""
import re
from typing import Dict, Iterable, List
from pip._vendor.packaging.tags import Tag
from pip._vendor.packaging.utils import (
InvalidWheelFilename as PackagingInvalidWheelName,
)
from pip._vendor.packaging.utils import parse_wheel_filename
from pip._internal.exceptions import InvalidWheelFilename
from pip._internal.utils.deprecation import deprecated
class Wheel:
"""A wheel file"""
wheel_file_re = re.compile(
r"""^(?P<namever>(?P<name>[^\s-]+?)-(?P<ver>[^\s-]*?))
((-(?P<build>\d[^-]*?))?-(?P<pyver>[^\s-]+?)-(?P<abi>[^\s-]+?)-(?P<plat>[^\s-]+?)
\.whl|\.dist-info)$""",
re.VERBOSE,
)
def __init__(self, filename: str) -> None:
"""
:raises InvalidWheelFilename: when the filename is invalid for a wheel
"""
wheel_info = self.wheel_file_re.match(filename)
if not wheel_info:
raise InvalidWheelFilename(f"{filename} is not a valid wheel filename.")
self.filename = filename
self.name = wheel_info.group("name").replace("_", "-")
_version = wheel_info.group("ver")
if "_" in _version:
try:
parse_wheel_filename(filename)
except PackagingInvalidWheelName as e:
deprecated(
reason=(
f"Wheel filename {filename!r} is not correctly normalised. "
"Future versions of pip will raise the following error:\n"
f"{e.args[0]}\n\n"
),
replacement=(
"to rename the wheel to use a correctly normalised "
"name (this may require updating the version in "
"the project metadata)"
),
gone_in="25.1",
issue=12938,
)
_version = _version.replace("_", "-")
self.version = _version
self.build_tag = wheel_info.group("build")
self.pyversions = wheel_info.group("pyver").split(".")
self.abis = wheel_info.group("abi").split(".")
self.plats = wheel_info.group("plat").split(".")
# All the tag combinations from this file
self.file_tags = {
Tag(x, y, z) for x in self.pyversions for y in self.abis for z in self.plats
}
def get_formatted_file_tags(self) -> List[str]:
"""Return the wheel's tags as a sorted list of strings."""
return sorted(str(tag) for tag in self.file_tags)
def support_index_min(self, tags: List[Tag]) -> int:
"""Return the lowest index that one of the wheel's file_tag combinations
achieves in the given list of supported tags.
For example, if there are 8 supported tags and one of the file tags
is first in the list, then return 0.
:param tags: the PEP 425 tags to check the wheel against, in order
with most preferred first.
:raises ValueError: If none of the wheel's file tags match one of
the supported tags.
"""
try:
return next(i for i, t in enumerate(tags) if t in self.file_tags)
except StopIteration:
raise ValueError()
def find_most_preferred_tag(
self, tags: List[Tag], tag_to_priority: Dict[Tag, int]
) -> int:
"""Return the priority of the most preferred tag that one of the wheel's file
tag combinations achieves in the given list of supported tags using the given
tag_to_priority mapping, where lower priorities are more-preferred.
This is used in place of support_index_min in some cases in order to avoid
an expensive linear scan of a large list of tags.
:param tags: the PEP 425 tags to check the wheel against.
:param tag_to_priority: a mapping from tag to priority of that tag, where
lower is more preferred.
:raises ValueError: If none of the wheel's file tags match one of
the supported tags.
"""
return min(
tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority
)
def supported(self, tags: Iterable[Tag]) -> bool:
"""Return whether the wheel is compatible with one of the given tags.
:param tags: the PEP 425 tags to check the wheel against.
"""
return not self.file_tags.isdisjoint(tags)

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httpd/env/lib/python3.12/site-packages/pip/_internal/network/__init__.py vendored
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"""Contains purely network-related utilities.
"""

566
httpd/env/lib/python3.12/site-packages/pip/_internal/network/auth.py vendored
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"""Network Authentication Helpers
Contains interface (MultiDomainBasicAuth) and associated glue code for
providing credentials in the context of network requests.
"""
import logging
import os
import shutil
import subprocess
import sysconfig
import typing
import urllib.parse
from abc import ABC, abstractmethod
from functools import lru_cache
from os.path import commonprefix
from pathlib import Path
from typing import Any, Dict, List, NamedTuple, Optional, Tuple
from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
from pip._vendor.requests.models import Request, Response
from pip._vendor.requests.utils import get_netrc_auth
from pip._internal.utils.logging import getLogger
from pip._internal.utils.misc import (
ask,
ask_input,
ask_password,
remove_auth_from_url,
split_auth_netloc_from_url,
)
from pip._internal.vcs.versioncontrol import AuthInfo
logger = getLogger(__name__)
KEYRING_DISABLED = False
class Credentials(NamedTuple):
url: str
username: str
password: str
class KeyRingBaseProvider(ABC):
"""Keyring base provider interface"""
has_keyring: bool
@abstractmethod
def get_auth_info(
self, url: str, username: Optional[str]
) -> Optional[AuthInfo]: ...
@abstractmethod
def save_auth_info(self, url: str, username: str, password: str) -> None: ...
class KeyRingNullProvider(KeyRingBaseProvider):
"""Keyring null provider"""
has_keyring = False
def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
return None
def save_auth_info(self, url: str, username: str, password: str) -> None:
return None
class KeyRingPythonProvider(KeyRingBaseProvider):
"""Keyring interface which uses locally imported `keyring`"""
has_keyring = True
def __init__(self) -> None:
import keyring
self.keyring = keyring
def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
# Support keyring's get_credential interface which supports getting
# credentials without a username. This is only available for
# keyring>=15.2.0.
if hasattr(self.keyring, "get_credential"):
logger.debug("Getting credentials from keyring for %s", url)
cred = self.keyring.get_credential(url, username)
if cred is not None:
return cred.username, cred.password
return None
if username is not None:
logger.debug("Getting password from keyring for %s", url)
password = self.keyring.get_password(url, username)
if password:
return username, password
return None
def save_auth_info(self, url: str, username: str, password: str) -> None:
self.keyring.set_password(url, username, password)
class KeyRingCliProvider(KeyRingBaseProvider):
"""Provider which uses `keyring` cli
Instead of calling the keyring package installed alongside pip
we call keyring on the command line which will enable pip to
use which ever installation of keyring is available first in
PATH.
"""
has_keyring = True
def __init__(self, cmd: str) -> None:
self.keyring = cmd
def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]:
# This is the default implementation of keyring.get_credential
# https://github.com/jaraco/keyring/blob/97689324abcf01bd1793d49063e7ca01e03d7d07/keyring/backend.py#L134-L139
if username is not None:
password = self._get_password(url, username)
if password is not None:
return username, password
return None
def save_auth_info(self, url: str, username: str, password: str) -> None:
return self._set_password(url, username, password)
def _get_password(self, service_name: str, username: str) -> Optional[str]:
"""Mirror the implementation of keyring.get_password using cli"""
if self.keyring is None:
return None
cmd = [self.keyring, "get", service_name, username]
env = os.environ.copy()
env["PYTHONIOENCODING"] = "utf-8"
res = subprocess.run(
cmd,
stdin=subprocess.DEVNULL,
stdout=subprocess.PIPE,
env=env,
)
if res.returncode:
return None
return res.stdout.decode("utf-8").strip(os.linesep)
def _set_password(self, service_name: str, username: str, password: str) -> None:
"""Mirror the implementation of keyring.set_password using cli"""
if self.keyring is None:
return None
env = os.environ.copy()
env["PYTHONIOENCODING"] = "utf-8"
subprocess.run(
[self.keyring, "set", service_name, username],
input=f"{password}{os.linesep}".encode(),
env=env,
check=True,
)
return None
@lru_cache(maxsize=None)
def get_keyring_provider(provider: str) -> KeyRingBaseProvider:
logger.verbose("Keyring provider requested: %s", provider)
# keyring has previously failed and been disabled
if KEYRING_DISABLED:
provider = "disabled"
if provider in ["import", "auto"]:
try:
impl = KeyRingPythonProvider()
logger.verbose("Keyring provider set: import")
return impl
except ImportError:
pass
except Exception as exc:
# In the event of an unexpected exception
# we should warn the user
msg = "Installed copy of keyring fails with exception %s"
if provider == "auto":
msg = msg + ", trying to find a keyring executable as a fallback"
logger.warning(msg, exc, exc_info=logger.isEnabledFor(logging.DEBUG))
if provider in ["subprocess", "auto"]:
cli = shutil.which("keyring")
if cli and cli.startswith(sysconfig.get_path("scripts")):
# all code within this function is stolen from shutil.which implementation
@typing.no_type_check
def PATH_as_shutil_which_determines_it() -> str:
path = os.environ.get("PATH", None)
if path is None:
try:
path = os.confstr("CS_PATH")
except (AttributeError, ValueError):
# os.confstr() or CS_PATH is not available
path = os.defpath
# bpo-35755: Don't use os.defpath if the PATH environment variable is
# set to an empty string
return path
scripts = Path(sysconfig.get_path("scripts"))
paths = []
for path in PATH_as_shutil_which_determines_it().split(os.pathsep):
p = Path(path)
try:
if not p.samefile(scripts):
paths.append(path)
except FileNotFoundError:
pass
path = os.pathsep.join(paths)
cli = shutil.which("keyring", path=path)
if cli:
logger.verbose("Keyring provider set: subprocess with executable %s", cli)
return KeyRingCliProvider(cli)
logger.verbose("Keyring provider set: disabled")
return KeyRingNullProvider()
class MultiDomainBasicAuth(AuthBase):
def __init__(
self,
prompting: bool = True,
index_urls: Optional[List[str]] = None,
keyring_provider: str = "auto",
) -> None:
self.prompting = prompting
self.index_urls = index_urls
self.keyring_provider = keyring_provider # type: ignore[assignment]
self.passwords: Dict[str, AuthInfo] = {}
# When the user is prompted to enter credentials and keyring is
# available, we will offer to save them. If the user accepts,
# this value is set to the credentials they entered. After the
# request authenticates, the caller should call
# ``save_credentials`` to save these.
self._credentials_to_save: Optional[Credentials] = None
@property
def keyring_provider(self) -> KeyRingBaseProvider:
return get_keyring_provider(self._keyring_provider)
@keyring_provider.setter
def keyring_provider(self, provider: str) -> None:
# The free function get_keyring_provider has been decorated with
# functools.cache. If an exception occurs in get_keyring_auth that
# cache will be cleared and keyring disabled, take that into account
# if you want to remove this indirection.
self._keyring_provider = provider
@property
def use_keyring(self) -> bool:
# We won't use keyring when --no-input is passed unless
# a specific provider is requested because it might require
# user interaction
return self.prompting or self._keyring_provider not in ["auto", "disabled"]
def _get_keyring_auth(
self,
url: Optional[str],
username: Optional[str],
) -> Optional[AuthInfo]:
"""Return the tuple auth for a given url from keyring."""
# Do nothing if no url was provided
if not url:
return None
try:
return self.keyring_provider.get_auth_info(url, username)
except Exception as exc:
# Log the full exception (with stacktrace) at debug, so it'll only
# show up when running in verbose mode.
logger.debug("Keyring is skipped due to an exception", exc_info=True)
# Always log a shortened version of the exception.
logger.warning(
"Keyring is skipped due to an exception: %s",
str(exc),
)
global KEYRING_DISABLED
KEYRING_DISABLED = True
get_keyring_provider.cache_clear()
return None
def _get_index_url(self, url: str) -> Optional[str]:
"""Return the original index URL matching the requested URL.
Cached or dynamically generated credentials may work against
the original index URL rather than just the netloc.
The provided url should have had its username and password
removed already. If the original index url had credentials then
they will be included in the return value.
Returns None if no matching index was found, or if --no-index
was specified by the user.
"""
if not url or not self.index_urls:
return None
url = remove_auth_from_url(url).rstrip("/") + "/"
parsed_url = urllib.parse.urlsplit(url)
candidates = []
for index in self.index_urls:
index = index.rstrip("/") + "/"
parsed_index = urllib.parse.urlsplit(remove_auth_from_url(index))
if parsed_url == parsed_index:
return index
if parsed_url.netloc != parsed_index.netloc:
continue
candidate = urllib.parse.urlsplit(index)
candidates.append(candidate)
if not candidates:
return None
candidates.sort(
reverse=True,
key=lambda candidate: commonprefix(
[
parsed_url.path,
candidate.path,
]
).rfind("/"),
)
return urllib.parse.urlunsplit(candidates[0])
def _get_new_credentials(
self,
original_url: str,
*,
allow_netrc: bool = True,
allow_keyring: bool = False,
) -> AuthInfo:
"""Find and return credentials for the specified URL."""
# Split the credentials and netloc from the url.
url, netloc, url_user_password = split_auth_netloc_from_url(
original_url,
)
# Start with the credentials embedded in the url
username, password = url_user_password
if username is not None and password is not None:
logger.debug("Found credentials in url for %s", netloc)
return url_user_password
# Find a matching index url for this request
index_url = self._get_index_url(url)
if index_url:
# Split the credentials from the url.
index_info = split_auth_netloc_from_url(index_url)
if index_info:
index_url, _, index_url_user_password = index_info
logger.debug("Found index url %s", index_url)
# If an index URL was found, try its embedded credentials
if index_url and index_url_user_password[0] is not None:
username, password = index_url_user_password
if username is not None and password is not None:
logger.debug("Found credentials in index url for %s", netloc)
return index_url_user_password
# Get creds from netrc if we still don't have them
if allow_netrc:
netrc_auth = get_netrc_auth(original_url)
if netrc_auth:
logger.debug("Found credentials in netrc for %s", netloc)
return netrc_auth
# If we don't have a password and keyring is available, use it.
if allow_keyring:
# The index url is more specific than the netloc, so try it first
# fmt: off
kr_auth = (
self._get_keyring_auth(index_url, username) or
self._get_keyring_auth(netloc, username)
)
# fmt: on
if kr_auth:
logger.debug("Found credentials in keyring for %s", netloc)
return kr_auth
return username, password
def _get_url_and_credentials(
self, original_url: str
) -> Tuple[str, Optional[str], Optional[str]]:
"""Return the credentials to use for the provided URL.
If allowed, netrc and keyring may be used to obtain the
correct credentials.
Returns (url_without_credentials, username, password). Note
that even if the original URL contains credentials, this
function may return a different username and password.
"""
url, netloc, _ = split_auth_netloc_from_url(original_url)
# Try to get credentials from original url
username, password = self._get_new_credentials(original_url)
# If credentials not found, use any stored credentials for this netloc.
# Do this if either the username or the password is missing.
# This accounts for the situation in which the user has specified
# the username in the index url, but the password comes from keyring.
if (username is None or password is None) and netloc in self.passwords:
un, pw = self.passwords[netloc]
# It is possible that the cached credentials are for a different username,
# in which case the cache should be ignored.
if username is None or username == un:
username, password = un, pw
if username is not None or password is not None:
# Convert the username and password if they're None, so that
# this netloc will show up as "cached" in the conditional above.
# Further, HTTPBasicAuth doesn't accept None, so it makes sense to
# cache the value that is going to be used.
username = username or ""
password = password or ""
# Store any acquired credentials.
self.passwords[netloc] = (username, password)
assert (
# Credentials were found
(username is not None and password is not None)
# Credentials were not found
or (username is None and password is None)
), f"Could not load credentials from url: {original_url}"
return url, username, password
def __call__(self, req: Request) -> Request:
# Get credentials for this request
url, username, password = self._get_url_and_credentials(req.url)
# Set the url of the request to the url without any credentials
req.url = url
if username is not None and password is not None:
# Send the basic auth with this request
req = HTTPBasicAuth(username, password)(req)
# Attach a hook to handle 401 responses
req.register_hook("response", self.handle_401)
return req
# Factored out to allow for easy patching in tests
def _prompt_for_password(
self, netloc: str
) -> Tuple[Optional[str], Optional[str], bool]:
username = ask_input(f"User for {netloc}: ") if self.prompting else None
if not username:
return None, None, False
if self.use_keyring:
auth = self._get_keyring_auth(netloc, username)
if auth and auth[0] is not None and auth[1] is not None:
return auth[0], auth[1], False
password = ask_password("Password: ")
return username, password, True
# Factored out to allow for easy patching in tests
def _should_save_password_to_keyring(self) -> bool:
if (
not self.prompting
or not self.use_keyring
or not self.keyring_provider.has_keyring
):
return False
return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y"
def handle_401(self, resp: Response, **kwargs: Any) -> Response:
# We only care about 401 responses, anything else we want to just
# pass through the actual response
if resp.status_code != 401:
return resp
username, password = None, None
# Query the keyring for credentials:
if self.use_keyring:
username, password = self._get_new_credentials(
resp.url,
allow_netrc=False,
allow_keyring=True,
)
# We are not able to prompt the user so simply return the response
if not self.prompting and not username and not password:
return resp
parsed = urllib.parse.urlparse(resp.url)
# Prompt the user for a new username and password
save = False
if not username and not password:
username, password, save = self._prompt_for_password(parsed.netloc)
# Store the new username and password to use for future requests
self._credentials_to_save = None
if username is not None and password is not None:
self.passwords[parsed.netloc] = (username, password)
# Prompt to save the password to keyring
if save and self._should_save_password_to_keyring():
self._credentials_to_save = Credentials(
url=parsed.netloc,
username=username,
password=password,
)
# Consume content and release the original connection to allow our new
# request to reuse the same one.
# The result of the assignment isn't used, it's just needed to consume
# the content.
_ = resp.content
resp.raw.release_conn()
# Add our new username and password to the request
req = HTTPBasicAuth(username or "", password or "")(resp.request)
req.register_hook("response", self.warn_on_401)
# On successful request, save the credentials that were used to
# keyring. (Note that if the user responded "no" above, this member
# is not set and nothing will be saved.)
if self._credentials_to_save:
req.register_hook("response", self.save_credentials)
# Send our new request
new_resp = resp.connection.send(req, **kwargs)
new_resp.history.append(resp)
return new_resp
def warn_on_401(self, resp: Response, **kwargs: Any) -> None:
"""Response callback to warn about incorrect credentials."""
if resp.status_code == 401:
logger.warning(
"401 Error, Credentials not correct for %s",
resp.request.url,
)
def save_credentials(self, resp: Response, **kwargs: Any) -> None:
"""Response callback to save credentials on success."""
assert (
self.keyring_provider.has_keyring
), "should never reach here without keyring"
creds = self._credentials_to_save
self._credentials_to_save = None
if creds and resp.status_code < 400:
try:
logger.info("Saving credentials to keyring")
self.keyring_provider.save_auth_info(
creds.url, creds.username, creds.password
)
except Exception:
logger.exception("Failed to save credentials")

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@ -1,118 +0,0 @@
"""HTTP cache implementation.
"""
import os
from contextlib import contextmanager
from datetime import datetime
from typing import BinaryIO, Generator, Optional, Union
from pip._vendor.cachecontrol.cache import SeparateBodyBaseCache
from pip._vendor.cachecontrol.caches import SeparateBodyFileCache
from pip._vendor.requests.models import Response
from pip._internal.utils.filesystem import adjacent_tmp_file, replace
from pip._internal.utils.misc import ensure_dir
def is_from_cache(response: Response) -> bool:
return getattr(response, "from_cache", False)
@contextmanager
def suppressed_cache_errors() -> Generator[None, None, None]:
"""If we can't access the cache then we can just skip caching and process
requests as if caching wasn't enabled.
"""
try:
yield
except OSError:
pass
class SafeFileCache(SeparateBodyBaseCache):
"""
A file based cache which is safe to use even when the target directory may
not be accessible or writable.
There is a race condition when two processes try to write and/or read the
same entry at the same time, since each entry consists of two separate
files (https://github.com/psf/cachecontrol/issues/324). We therefore have
additional logic that makes sure that both files to be present before
returning an entry; this fixes the read side of the race condition.
For the write side, we assume that the server will only ever return the
same data for the same URL, which ought to be the case for files pip is
downloading. PyPI does not have a mechanism to swap out a wheel for
another wheel, for example. If this assumption is not true, the
CacheControl issue will need to be fixed.
"""
def __init__(self, directory: str) -> None:
assert directory is not None, "Cache directory must not be None."
super().__init__()
self.directory = directory
def _get_cache_path(self, name: str) -> str:
# From cachecontrol.caches.file_cache.FileCache._fn, brought into our
# class for backwards-compatibility and to avoid using a non-public
# method.
hashed = SeparateBodyFileCache.encode(name)
parts = list(hashed[:5]) + [hashed]
return os.path.join(self.directory, *parts)
def get(self, key: str) -> Optional[bytes]:
# The cache entry is only valid if both metadata and body exist.
metadata_path = self._get_cache_path(key)
body_path = metadata_path + ".body"
if not (os.path.exists(metadata_path) and os.path.exists(body_path)):
return None
with suppressed_cache_errors():
with open(metadata_path, "rb") as f:
return f.read()
def _write(self, path: str, data: bytes) -> None:
with suppressed_cache_errors():
ensure_dir(os.path.dirname(path))
with adjacent_tmp_file(path) as f:
f.write(data)
# Inherit the read/write permissions of the cache directory
# to enable multi-user cache use-cases.
mode = (
os.stat(self.directory).st_mode
& 0o666 # select read/write permissions of cache directory
| 0o600 # set owner read/write permissions
)
# Change permissions only if there is no risk of following a symlink.
if os.chmod in os.supports_fd:
os.chmod(f.fileno(), mode)
elif os.chmod in os.supports_follow_symlinks:
os.chmod(f.name, mode, follow_symlinks=False)
replace(f.name, path)
def set(
self, key: str, value: bytes, expires: Union[int, datetime, None] = None
) -> None:
path = self._get_cache_path(key)
self._write(path, value)
def delete(self, key: str) -> None:
path = self._get_cache_path(key)
with suppressed_cache_errors():
os.remove(path)
with suppressed_cache_errors():
os.remove(path + ".body")
def get_body(self, key: str) -> Optional[BinaryIO]:
# The cache entry is only valid if both metadata and body exist.
metadata_path = self._get_cache_path(key)
body_path = metadata_path + ".body"
if not (os.path.exists(metadata_path) and os.path.exists(body_path)):
return None
with suppressed_cache_errors():
return open(body_path, "rb")
def set_body(self, key: str, body: bytes) -> None:
path = self._get_cache_path(key) + ".body"
self._write(path, body)

187
httpd/env/lib/python3.12/site-packages/pip/_internal/network/download.py vendored
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@ -1,187 +0,0 @@
"""Download files with progress indicators.
"""
import email.message
import logging
import mimetypes
import os
from typing import Iterable, Optional, Tuple
from pip._vendor.requests.models import Response
from pip._internal.cli.progress_bars import get_download_progress_renderer
from pip._internal.exceptions import NetworkConnectionError
from pip._internal.models.index import PyPI
from pip._internal.models.link import Link
from pip._internal.network.cache import is_from_cache
from pip._internal.network.session import PipSession
from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext
logger = logging.getLogger(__name__)
def _get_http_response_size(resp: Response) -> Optional[int]:
try:
return int(resp.headers["content-length"])
except (ValueError, KeyError, TypeError):
return None
def _prepare_download(
resp: Response,
link: Link,
progress_bar: str,
) -> Iterable[bytes]:
total_length = _get_http_response_size(resp)
if link.netloc == PyPI.file_storage_domain:
url = link.show_url
else:
url = link.url_without_fragment
logged_url = redact_auth_from_url(url)
if total_length:
logged_url = f"{logged_url} ({format_size(total_length)})"
if is_from_cache(resp):
logger.info("Using cached %s", logged_url)
else:
logger.info("Downloading %s", logged_url)
if logger.getEffectiveLevel() > logging.INFO:
show_progress = False
elif is_from_cache(resp):
show_progress = False
elif not total_length:
show_progress = True
elif total_length > (512 * 1024):
show_progress = True
else:
show_progress = False
chunks = response_chunks(resp)
if not show_progress:
return chunks
renderer = get_download_progress_renderer(bar_type=progress_bar, size=total_length)
return renderer(chunks)
def sanitize_content_filename(filename: str) -> str:
"""
Sanitize the "filename" value from a Content-Disposition header.
"""
return os.path.basename(filename)
def parse_content_disposition(content_disposition: str, default_filename: str) -> str:
"""
Parse the "filename" value from a Content-Disposition header, and
return the default filename if the result is empty.
"""
m = email.message.Message()
m["content-type"] = content_disposition
filename = m.get_param("filename")
if filename:
# We need to sanitize the filename to prevent directory traversal
# in case the filename contains ".." path parts.
filename = sanitize_content_filename(str(filename))
return filename or default_filename
def _get_http_response_filename(resp: Response, link: Link) -> str:
"""Get an ideal filename from the given HTTP response, falling back to
the link filename if not provided.
"""
filename = link.filename # fallback
# Have a look at the Content-Disposition header for a better guess
content_disposition = resp.headers.get("content-disposition")
if content_disposition:
filename = parse_content_disposition(content_disposition, filename)
ext: Optional[str] = splitext(filename)[1]
if not ext:
ext = mimetypes.guess_extension(resp.headers.get("content-type", ""))
if ext:
filename += ext
if not ext and link.url != resp.url:
ext = os.path.splitext(resp.url)[1]
if ext:
filename += ext
return filename
def _http_get_download(session: PipSession, link: Link) -> Response:
target_url = link.url.split("#", 1)[0]
resp = session.get(target_url, headers=HEADERS, stream=True)
raise_for_status(resp)
return resp
class Downloader:
def __init__(
self,
session: PipSession,
progress_bar: str,
) -> None:
self._session = session
self._progress_bar = progress_bar
def __call__(self, link: Link, location: str) -> Tuple[str, str]:
"""Download the file given by link into location."""
try:
resp = _http_get_download(self._session, link)
except NetworkConnectionError as e:
assert e.response is not None
logger.critical(
"HTTP error %s while getting %s", e.response.status_code, link
)
raise
filename = _get_http_response_filename(resp, link)
filepath = os.path.join(location, filename)
chunks = _prepare_download(resp, link, self._progress_bar)
with open(filepath, "wb") as content_file:
for chunk in chunks:
content_file.write(chunk)
content_type = resp.headers.get("Content-Type", "")
return filepath, content_type
class BatchDownloader:
def __init__(
self,
session: PipSession,
progress_bar: str,
) -> None:
self._session = session
self._progress_bar = progress_bar
def __call__(
self, links: Iterable[Link], location: str
) -> Iterable[Tuple[Link, Tuple[str, str]]]:
"""Download the files given by links into location."""
for link in links:
try:
resp = _http_get_download(self._session, link)
except NetworkConnectionError as e:
assert e.response is not None
logger.critical(
"HTTP error %s while getting %s",
e.response.status_code,
link,
)
raise
filename = _get_http_response_filename(resp, link)
filepath = os.path.join(location, filename)
chunks = _prepare_download(resp, link, self._progress_bar)
with open(filepath, "wb") as content_file:
for chunk in chunks:
content_file.write(chunk)
content_type = resp.headers.get("Content-Type", "")
yield link, (filepath, content_type)

210
httpd/env/lib/python3.12/site-packages/pip/_internal/network/lazy_wheel.py vendored
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@ -1,210 +0,0 @@
"""Lazy ZIP over HTTP"""
__all__ = ["HTTPRangeRequestUnsupported", "dist_from_wheel_url"]
from bisect import bisect_left, bisect_right
from contextlib import contextmanager
from tempfile import NamedTemporaryFile
from typing import Any, Dict, Generator, List, Optional, Tuple
from zipfile import BadZipFile, ZipFile
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
from pip._internal.metadata import BaseDistribution, MemoryWheel, get_wheel_distribution
from pip._internal.network.session import PipSession
from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
class HTTPRangeRequestUnsupported(Exception):
pass
def dist_from_wheel_url(name: str, url: str, session: PipSession) -> BaseDistribution:
"""Return a distribution object from the given wheel URL.
This uses HTTP range requests to only fetch the portion of the wheel
containing metadata, just enough for the object to be constructed.
If such requests are not supported, HTTPRangeRequestUnsupported
is raised.
"""
with LazyZipOverHTTP(url, session) as zf:
# For read-only ZIP files, ZipFile only needs methods read,
# seek, seekable and tell, not the whole IO protocol.
wheel = MemoryWheel(zf.name, zf) # type: ignore
# After context manager exit, wheel.name
# is an invalid file by intention.
return get_wheel_distribution(wheel, canonicalize_name(name))
class LazyZipOverHTTP:
"""File-like object mapped to a ZIP file over HTTP.
This uses HTTP range requests to lazily fetch the file's content,
which is supposed to be fed to ZipFile. If such requests are not
supported by the server, raise HTTPRangeRequestUnsupported
during initialization.
"""
def __init__(
self, url: str, session: PipSession, chunk_size: int = CONTENT_CHUNK_SIZE
) -> None:
head = session.head(url, headers=HEADERS)
raise_for_status(head)
assert head.status_code == 200
self._session, self._url, self._chunk_size = session, url, chunk_size
self._length = int(head.headers["Content-Length"])
self._file = NamedTemporaryFile()
self.truncate(self._length)
self._left: List[int] = []
self._right: List[int] = []
if "bytes" not in head.headers.get("Accept-Ranges", "none"):
raise HTTPRangeRequestUnsupported("range request is not supported")
self._check_zip()
@property
def mode(self) -> str:
"""Opening mode, which is always rb."""
return "rb"
@property
def name(self) -> str:
"""Path to the underlying file."""
return self._file.name
def seekable(self) -> bool:
"""Return whether random access is supported, which is True."""
return True
def close(self) -> None:
"""Close the file."""
self._file.close()
@property
def closed(self) -> bool:
"""Whether the file is closed."""
return self._file.closed
def read(self, size: int = -1) -> bytes:
"""Read up to size bytes from the object and return them.
As a convenience, if size is unspecified or -1,
all bytes until EOF are returned. Fewer than
size bytes may be returned if EOF is reached.
"""
download_size = max(size, self._chunk_size)
start, length = self.tell(), self._length
stop = length if size < 0 else min(start + download_size, length)
start = max(0, stop - download_size)
self._download(start, stop - 1)
return self._file.read(size)
def readable(self) -> bool:
"""Return whether the file is readable, which is True."""
return True
def seek(self, offset: int, whence: int = 0) -> int:
"""Change stream position and return the new absolute position.
Seek to offset relative position indicated by whence:
* 0: Start of stream (the default). pos should be >= 0;
* 1: Current position - pos may be negative;
* 2: End of stream - pos usually negative.
"""
return self._file.seek(offset, whence)
def tell(self) -> int:
"""Return the current position."""
return self._file.tell()
def truncate(self, size: Optional[int] = None) -> int:
"""Resize the stream to the given size in bytes.
If size is unspecified resize to the current position.
The current stream position isn't changed.
Return the new file size.
"""
return self._file.truncate(size)
def writable(self) -> bool:
"""Return False."""
return False
def __enter__(self) -> "LazyZipOverHTTP":
self._file.__enter__()
return self
def __exit__(self, *exc: Any) -> None:
self._file.__exit__(*exc)
@contextmanager
def _stay(self) -> Generator[None, None, None]:
"""Return a context manager keeping the position.
At the end of the block, seek back to original position.
"""
pos = self.tell()
try:
yield
finally:
self.seek(pos)
def _check_zip(self) -> None:
"""Check and download until the file is a valid ZIP."""
end = self._length - 1
for start in reversed(range(0, end, self._chunk_size)):
self._download(start, end)
with self._stay():
try:
# For read-only ZIP files, ZipFile only needs
# methods read, seek, seekable and tell.
ZipFile(self)
except BadZipFile:
pass
else:
break
def _stream_response(
self, start: int, end: int, base_headers: Dict[str, str] = HEADERS
) -> Response:
"""Return HTTP response to a range request from start to end."""
headers = base_headers.copy()
headers["Range"] = f"bytes={start}-{end}"
# TODO: Get range requests to be correctly cached
headers["Cache-Control"] = "no-cache"
return self._session.get(self._url, headers=headers, stream=True)
def _merge(
self, start: int, end: int, left: int, right: int
) -> Generator[Tuple[int, int], None, None]:
"""Return a generator of intervals to be fetched.
Args:
start (int): Start of needed interval
end (int): End of needed interval
left (int): Index of first overlapping downloaded data
right (int): Index after last overlapping downloaded data
"""
lslice, rslice = self._left[left:right], self._right[left:right]
i = start = min([start] + lslice[:1])
end = max([end] + rslice[-1:])
for j, k in zip(lslice, rslice):
if j > i:
yield i, j - 1
i = k + 1
if i <= end:
yield i, end
self._left[left:right], self._right[left:right] = [start], [end]
def _download(self, start: int, end: int) -> None:
"""Download bytes from start to end inclusively."""
with self._stay():
left = bisect_left(self._right, start)
right = bisect_right(self._left, end)
for start, end in self._merge(start, end, left, right):
response = self._stream_response(start, end)
response.raise_for_status()
self.seek(start)
for chunk in response_chunks(response, self._chunk_size):
self._file.write(chunk)

523
httpd/env/lib/python3.12/site-packages/pip/_internal/network/session.py vendored
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@ -1,523 +0,0 @@
"""PipSession and supporting code, containing all pip-specific
network request configuration and behavior.
"""
import email.utils
import functools
import io
import ipaddress
import json
import logging
import mimetypes
import os
import platform
import shutil
import subprocess
import sys
import urllib.parse
import warnings
from typing import (
TYPE_CHECKING,
Any,
Dict,
Generator,
List,
Mapping,
Optional,
Sequence,
Tuple,
Union,
)
from pip._vendor import requests, urllib3
from pip._vendor.cachecontrol import CacheControlAdapter as _BaseCacheControlAdapter
from pip._vendor.requests.adapters import DEFAULT_POOLBLOCK, BaseAdapter
from pip._vendor.requests.adapters import HTTPAdapter as _BaseHTTPAdapter
from pip._vendor.requests.models import PreparedRequest, Response
from pip._vendor.requests.structures import CaseInsensitiveDict
from pip._vendor.urllib3.connectionpool import ConnectionPool
from pip._vendor.urllib3.exceptions import InsecureRequestWarning
from pip import __version__
from pip._internal.metadata import get_default_environment
from pip._internal.models.link import Link
from pip._internal.network.auth import MultiDomainBasicAuth
from pip._internal.network.cache import SafeFileCache
# Import ssl from compat so the initial import occurs in only one place.
from pip._internal.utils.compat import has_tls
from pip._internal.utils.glibc import libc_ver
from pip._internal.utils.misc import build_url_from_netloc, parse_netloc
from pip._internal.utils.urls import url_to_path
if TYPE_CHECKING:
from ssl import SSLContext
from pip._vendor.urllib3.poolmanager import PoolManager
logger = logging.getLogger(__name__)
SecureOrigin = Tuple[str, str, Optional[Union[int, str]]]
# Ignore warning raised when using --trusted-host.
warnings.filterwarnings("ignore", category=InsecureRequestWarning)
SECURE_ORIGINS: List[SecureOrigin] = [
# protocol, hostname, port
# Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC)
("https", "*", "*"),
("*", "localhost", "*"),
("*", "127.0.0.0/8", "*"),
("*", "::1/128", "*"),
("file", "*", None),
# ssh is always secure.
("ssh", "*", "*"),
]
# These are environment variables present when running under various
# CI systems. For each variable, some CI systems that use the variable
# are indicated. The collection was chosen so that for each of a number
# of popular systems, at least one of the environment variables is used.
# This list is used to provide some indication of and lower bound for
# CI traffic to PyPI. Thus, it is okay if the list is not comprehensive.
# For more background, see: https://github.com/pypa/pip/issues/5499
CI_ENVIRONMENT_VARIABLES = (
# Azure Pipelines
"BUILD_BUILDID",
# Jenkins
"BUILD_ID",
# AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI
"CI",
# Explicit environment variable.
"PIP_IS_CI",
)
def looks_like_ci() -> bool:
"""
Return whether it looks like pip is running under CI.
"""
# We don't use the method of checking for a tty (e.g. using isatty())
# because some CI systems mimic a tty (e.g. Travis CI). Thus that
# method doesn't provide definitive information in either direction.
return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES)
@functools.lru_cache(maxsize=1)
def user_agent() -> str:
"""
Return a string representing the user agent.
"""
data: Dict[str, Any] = {
"installer": {"name": "pip", "version": __version__},
"python": platform.python_version(),
"implementation": {
"name": platform.python_implementation(),
},
}
if data["implementation"]["name"] == "CPython":
data["implementation"]["version"] = platform.python_version()
elif data["implementation"]["name"] == "PyPy":
pypy_version_info = sys.pypy_version_info # type: ignore
if pypy_version_info.releaselevel == "final":
pypy_version_info = pypy_version_info[:3]
data["implementation"]["version"] = ".".join(
[str(x) for x in pypy_version_info]
)
elif data["implementation"]["name"] == "Jython":
# Complete Guess
data["implementation"]["version"] = platform.python_version()
elif data["implementation"]["name"] == "IronPython":
# Complete Guess
data["implementation"]["version"] = platform.python_version()
if sys.platform.startswith("linux"):
from pip._vendor import distro
linux_distribution = distro.name(), distro.version(), distro.codename()
distro_infos: Dict[str, Any] = dict(
filter(
lambda x: x[1],
zip(["name", "version", "id"], linux_distribution),
)
)
libc = dict(
filter(
lambda x: x[1],
zip(["lib", "version"], libc_ver()),
)
)
if libc:
distro_infos["libc"] = libc
if distro_infos:
data["distro"] = distro_infos
if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
if platform.system():
data.setdefault("system", {})["name"] = platform.system()
if platform.release():
data.setdefault("system", {})["release"] = platform.release()
if platform.machine():
data["cpu"] = platform.machine()
if has_tls():
import _ssl as ssl
data["openssl_version"] = ssl.OPENSSL_VERSION
setuptools_dist = get_default_environment().get_distribution("setuptools")
if setuptools_dist is not None:
data["setuptools_version"] = str(setuptools_dist.version)
if shutil.which("rustc") is not None:
# If for any reason `rustc --version` fails, silently ignore it
try:
rustc_output = subprocess.check_output(
["rustc", "--version"], stderr=subprocess.STDOUT, timeout=0.5
)
except Exception:
pass
else:
if rustc_output.startswith(b"rustc "):
# The format of `rustc --version` is:
# `b'rustc 1.52.1 (9bc8c42bb 2021-05-09)\n'`
# We extract just the middle (1.52.1) part
data["rustc_version"] = rustc_output.split(b" ")[1].decode()
# Use None rather than False so as not to give the impression that
# pip knows it is not being run under CI. Rather, it is a null or
# inconclusive result. Also, we include some value rather than no
# value to make it easier to know that the check has been run.
data["ci"] = True if looks_like_ci() else None
user_data = os.environ.get("PIP_USER_AGENT_USER_DATA")
if user_data is not None:
data["user_data"] = user_data
return "{data[installer][name]}/{data[installer][version]} {json}".format(
data=data,
json=json.dumps(data, separators=(",", ":"), sort_keys=True),
)
class LocalFSAdapter(BaseAdapter):
def send(
self,
request: PreparedRequest,
stream: bool = False,
timeout: Optional[Union[float, Tuple[float, float]]] = None,
verify: Union[bool, str] = True,
cert: Optional[Union[str, Tuple[str, str]]] = None,
proxies: Optional[Mapping[str, str]] = None,
) -> Response:
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
# format the exception raised as a io.BytesIO object,
# to return a better error message:
resp.status_code = 404
resp.reason = type(exc).__name__
resp.raw = io.BytesIO(f"{resp.reason}: {exc}".encode())
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict(
{
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
}
)
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def close(self) -> None:
pass
class _SSLContextAdapterMixin:
"""Mixin to add the ``ssl_context`` constructor argument to HTTP adapters.
The additional argument is forwarded directly to the pool manager. This allows us
to dynamically decide what SSL store to use at runtime, which is used to implement
the optional ``truststore`` backend.
"""
def __init__(
self,
*,
ssl_context: Optional["SSLContext"] = None,
**kwargs: Any,
) -> None:
self._ssl_context = ssl_context
super().__init__(**kwargs)
def init_poolmanager(
self,
connections: int,
maxsize: int,
block: bool = DEFAULT_POOLBLOCK,
**pool_kwargs: Any,
) -> "PoolManager":
if self._ssl_context is not None:
pool_kwargs.setdefault("ssl_context", self._ssl_context)
return super().init_poolmanager( # type: ignore[misc]
connections=connections,
maxsize=maxsize,
block=block,
**pool_kwargs,
)
class HTTPAdapter(_SSLContextAdapterMixin, _BaseHTTPAdapter):
pass
class CacheControlAdapter(_SSLContextAdapterMixin, _BaseCacheControlAdapter):
pass
class InsecureHTTPAdapter(HTTPAdapter):
def cert_verify(
self,
conn: ConnectionPool,
url: str,
verify: Union[bool, str],
cert: Optional[Union[str, Tuple[str, str]]],
) -> None:
super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
class InsecureCacheControlAdapter(CacheControlAdapter):
def cert_verify(
self,
conn: ConnectionPool,
url: str,
verify: Union[bool, str],
cert: Optional[Union[str, Tuple[str, str]]],
) -> None:
super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
class PipSession(requests.Session):
timeout: Optional[int] = None
def __init__(
self,
*args: Any,
retries: int = 0,
cache: Optional[str] = None,
trusted_hosts: Sequence[str] = (),
index_urls: Optional[List[str]] = None,
ssl_context: Optional["SSLContext"] = None,
**kwargs: Any,
) -> None:
"""
:param trusted_hosts: Domains not to emit warnings for when not using
HTTPS.
"""
super().__init__(*args, **kwargs)
# Namespace the attribute with "pip_" just in case to prevent
# possible conflicts with the base class.
self.pip_trusted_origins: List[Tuple[str, Optional[int]]] = []
self.pip_proxy = None
# Attach our User Agent to the request
self.headers["User-Agent"] = user_agent()
# Attach our Authentication handler to the session
self.auth = MultiDomainBasicAuth(index_urls=index_urls)
# Create our urllib3.Retry instance which will allow us to customize
# how we handle retries.
retries = urllib3.Retry(
# Set the total number of retries that a particular request can
# have.
total=retries,
# A 503 error from PyPI typically means that the Fastly -> Origin
# connection got interrupted in some way. A 503 error in general
# is typically considered a transient error so we'll go ahead and
# retry it.
# A 500 may indicate transient error in Amazon S3
# A 502 may be a transient error from a CDN like CloudFlare or CloudFront
# A 520 or 527 - may indicate transient error in CloudFlare
status_forcelist=[500, 502, 503, 520, 527],
# Add a small amount of back off between failed requests in
# order to prevent hammering the service.
backoff_factor=0.25,
) # type: ignore
# Our Insecure HTTPAdapter disables HTTPS validation. It does not
# support caching so we'll use it for all http:// URLs.
# If caching is disabled, we will also use it for
# https:// hosts that we've marked as ignoring
# TLS errors for (trusted-hosts).
insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
# We want to _only_ cache responses on securely fetched origins or when
# the host is specified as trusted. We do this because
# we can't validate the response of an insecurely/untrusted fetched
# origin, and we don't want someone to be able to poison the cache and
# require manual eviction from the cache to fix it.
if cache:
secure_adapter = CacheControlAdapter(
cache=SafeFileCache(cache),
max_retries=retries,
ssl_context=ssl_context,
)
self._trusted_host_adapter = InsecureCacheControlAdapter(
cache=SafeFileCache(cache),
max_retries=retries,
)
else:
secure_adapter = HTTPAdapter(max_retries=retries, ssl_context=ssl_context)
self._trusted_host_adapter = insecure_adapter
self.mount("https://", secure_adapter)
self.mount("http://", insecure_adapter)
# Enable file:// urls
self.mount("file://", LocalFSAdapter())
for host in trusted_hosts:
self.add_trusted_host(host, suppress_logging=True)
def update_index_urls(self, new_index_urls: List[str]) -> None:
"""
:param new_index_urls: New index urls to update the authentication
handler with.
"""
self.auth.index_urls = new_index_urls
def add_trusted_host(
self, host: str, source: Optional[str] = None, suppress_logging: bool = False
) -> None:
"""
:param host: It is okay to provide a host that has previously been
added.
:param source: An optional source string, for logging where the host
string came from.
"""
if not suppress_logging:
msg = f"adding trusted host: {host!r}"
if source is not None:
msg += f" (from {source})"
logger.info(msg)
parsed_host, parsed_port = parse_netloc(host)
if parsed_host is None:
raise ValueError(f"Trusted host URL must include a host part: {host!r}")
if (parsed_host, parsed_port) not in self.pip_trusted_origins:
self.pip_trusted_origins.append((parsed_host, parsed_port))
self.mount(
build_url_from_netloc(host, scheme="http") + "/", self._trusted_host_adapter
)
self.mount(build_url_from_netloc(host) + "/", self._trusted_host_adapter)
if not parsed_port:
self.mount(
build_url_from_netloc(host, scheme="http") + ":",
self._trusted_host_adapter,
)
# Mount wildcard ports for the same host.
self.mount(build_url_from_netloc(host) + ":", self._trusted_host_adapter)
def iter_secure_origins(self) -> Generator[SecureOrigin, None, None]:
yield from SECURE_ORIGINS
for host, port in self.pip_trusted_origins:
yield ("*", host, "*" if port is None else port)
def is_secure_origin(self, location: Link) -> bool:
# Determine if this url used a secure transport mechanism
parsed = urllib.parse.urlparse(str(location))
origin_protocol, origin_host, origin_port = (
parsed.scheme,
parsed.hostname,
parsed.port,
)
# The protocol to use to see if the protocol matches.
# Don't count the repository type as part of the protocol: in
# cases such as "git+ssh", only use "ssh". (I.e., Only verify against
# the last scheme.)
origin_protocol = origin_protocol.rsplit("+", 1)[-1]
# Determine if our origin is a secure origin by looking through our
# hardcoded list of secure origins, as well as any additional ones
# configured on this PackageFinder instance.
for secure_origin in self.iter_secure_origins():
secure_protocol, secure_host, secure_port = secure_origin
if origin_protocol != secure_protocol and secure_protocol != "*":
continue
try:
addr = ipaddress.ip_address(origin_host or "")
network = ipaddress.ip_network(secure_host)
except ValueError:
# We don't have both a valid address or a valid network, so
# we'll check this origin against hostnames.
if (
origin_host
and origin_host.lower() != secure_host.lower()
and secure_host != "*"
):
continue
else:
# We have a valid address and network, so see if the address
# is contained within the network.
if addr not in network:
continue
# Check to see if the port matches.
if (
origin_port != secure_port
and secure_port != "*"
and secure_port is not None
):
continue
# If we've gotten here, then this origin matches the current
# secure origin and we should return True
return True
# If we've gotten to this point, then the origin isn't secure and we
# will not accept it as a valid location to search. We will however
# log a warning that we are ignoring it.
logger.warning(
"The repository located at %s is not a trusted or secure host and "
"is being ignored. If this repository is available via HTTPS we "
"recommend you use HTTPS instead, otherwise you may silence "
"this warning and allow it anyway with '--trusted-host %s'.",
origin_host,
origin_host,
)
return False
def request(self, method: str, url: str, *args: Any, **kwargs: Any) -> Response:
# Allow setting a default timeout on a session
kwargs.setdefault("timeout", self.timeout)
# Allow setting a default proxies on a session
kwargs.setdefault("proxies", self.proxies)
# Dispatch the actual request
return super().request(method, url, *args, **kwargs)

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@ -1,98 +0,0 @@
from typing import Dict, Generator
from pip._vendor.requests.models import Response
from pip._internal.exceptions import NetworkConnectionError
# The following comments and HTTP headers were originally added by
# Donald Stufft in git commit 22c562429a61bb77172039e480873fb239dd8c03.
#
# We use Accept-Encoding: identity here because requests defaults to
# accepting compressed responses. This breaks in a variety of ways
# depending on how the server is configured.
# - Some servers will notice that the file isn't a compressible file
# and will leave the file alone and with an empty Content-Encoding
# - Some servers will notice that the file is already compressed and
# will leave the file alone, adding a Content-Encoding: gzip header
# - Some servers won't notice anything at all and will take a file
# that's already been compressed and compress it again, and set
# the Content-Encoding: gzip header
# By setting this to request only the identity encoding we're hoping
# to eliminate the third case. Hopefully there does not exist a server
# which when given a file will notice it is already compressed and that
# you're not asking for a compressed file and will then decompress it
# before sending because if that's the case I don't think it'll ever be
# possible to make this work.
HEADERS: Dict[str, str] = {"Accept-Encoding": "identity"}
DOWNLOAD_CHUNK_SIZE = 256 * 1024
def raise_for_status(resp: Response) -> None:
http_error_msg = ""
if isinstance(resp.reason, bytes):
# We attempt to decode utf-8 first because some servers
# choose to localize their reason strings. If the string
# isn't utf-8, we fall back to iso-8859-1 for all other
# encodings.
try:
reason = resp.reason.decode("utf-8")
except UnicodeDecodeError:
reason = resp.reason.decode("iso-8859-1")
else:
reason = resp.reason
if 400 <= resp.status_code < 500:
http_error_msg = (
f"{resp.status_code} Client Error: {reason} for url: {resp.url}"
)
elif 500 <= resp.status_code < 600:
http_error_msg = (
f"{resp.status_code} Server Error: {reason} for url: {resp.url}"
)
if http_error_msg:
raise NetworkConnectionError(http_error_msg, response=resp)
def response_chunks(
response: Response, chunk_size: int = DOWNLOAD_CHUNK_SIZE
) -> Generator[bytes, None, None]:
"""Given a requests Response, provide the data chunks."""
try:
# Special case for urllib3.
for chunk in response.raw.stream(
chunk_size,
# We use decode_content=False here because we don't
# want urllib3 to mess with the raw bytes we get
# from the server. If we decompress inside of
# urllib3 then we cannot verify the checksum
# because the checksum will be of the compressed
# file. This breakage will only occur if the
# server adds a Content-Encoding header, which
# depends on how the server was configured:
# - Some servers will notice that the file isn't a
# compressible file and will leave the file alone
# and with an empty Content-Encoding
# - Some servers will notice that the file is
# already compressed and will leave the file
# alone and will add a Content-Encoding: gzip
# header
# - Some servers won't notice anything at all and
# will take a file that's already been compressed
# and compress it again and set the
# Content-Encoding: gzip header
#
# By setting this not to decode automatically we
# hope to eliminate problems with the second case.
decode_content=False,
):
yield chunk
except AttributeError:
# Standard file-like object.
while True:
chunk = response.raw.read(chunk_size)
if not chunk:
break
yield chunk

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httpd/env/lib/python3.12/site-packages/pip/_internal/network/xmlrpc.py vendored
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@ -1,62 +0,0 @@
"""xmlrpclib.Transport implementation
"""
import logging
import urllib.parse
import xmlrpc.client
from typing import TYPE_CHECKING, Tuple
from pip._internal.exceptions import NetworkConnectionError
from pip._internal.network.session import PipSession
from pip._internal.network.utils import raise_for_status
if TYPE_CHECKING:
from xmlrpc.client import _HostType, _Marshallable
from _typeshed import SizedBuffer
logger = logging.getLogger(__name__)
class PipXmlrpcTransport(xmlrpc.client.Transport):
"""Provide a `xmlrpclib.Transport` implementation via a `PipSession`
object.
"""
def __init__(
self, index_url: str, session: PipSession, use_datetime: bool = False
) -> None:
super().__init__(use_datetime)
index_parts = urllib.parse.urlparse(index_url)
self._scheme = index_parts.scheme
self._session = session
def request(
self,
host: "_HostType",
handler: str,
request_body: "SizedBuffer",
verbose: bool = False,
) -> Tuple["_Marshallable", ...]:
assert isinstance(host, str)
parts = (self._scheme, host, handler, None, None, None)
url = urllib.parse.urlunparse(parts)
try:
headers = {"Content-Type": "text/xml"}
response = self._session.post(
url,
data=request_body,
headers=headers,
stream=True,
)
raise_for_status(response)
self.verbose = verbose
return self.parse_response(response.raw)
except NetworkConnectionError as exc:
assert exc.response
logger.critical(
"HTTP error %s while getting %s",
exc.response.status_code,
url,
)
raise

0
httpd/env/lib/python3.12/site-packages/pip/_internal/operations/__init__.py vendored
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0
httpd/env/lib/python3.12/site-packages/pip/_internal/operations/build/__init__.py vendored
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138
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import contextlib
import hashlib
import logging
import os
from types import TracebackType
from typing import Dict, Generator, Optional, Type, Union
from pip._internal.req.req_install import InstallRequirement
from pip._internal.utils.temp_dir import TempDirectory
logger = logging.getLogger(__name__)
@contextlib.contextmanager
def update_env_context_manager(**changes: str) -> Generator[None, None, None]:
target = os.environ
# Save values from the target and change them.
non_existent_marker = object()
saved_values: Dict[str, Union[object, str]] = {}
for name, new_value in changes.items():
try:
saved_values[name] = target[name]
except KeyError:
saved_values[name] = non_existent_marker
target[name] = new_value
try:
yield
finally:
# Restore original values in the target.
for name, original_value in saved_values.items():
if original_value is non_existent_marker:
del target[name]
else:
assert isinstance(original_value, str) # for mypy
target[name] = original_value
@contextlib.contextmanager
def get_build_tracker() -> Generator["BuildTracker", None, None]:
root = os.environ.get("PIP_BUILD_TRACKER")
with contextlib.ExitStack() as ctx:
if root is None:
root = ctx.enter_context(TempDirectory(kind="build-tracker")).path
ctx.enter_context(update_env_context_manager(PIP_BUILD_TRACKER=root))
logger.debug("Initialized build tracking at %s", root)
with BuildTracker(root) as tracker:
yield tracker
class TrackerId(str):
"""Uniquely identifying string provided to the build tracker."""
class BuildTracker:
"""Ensure that an sdist cannot request itself as a setup requirement.
When an sdist is prepared, it identifies its setup requirements in the
context of ``BuildTracker.track()``. If a requirement shows up recursively, this
raises an exception.
This stops fork bombs embedded in malicious packages."""
def __init__(self, root: str) -> None:
self._root = root
self._entries: Dict[TrackerId, InstallRequirement] = {}
logger.debug("Created build tracker: %s", self._root)
def __enter__(self) -> "BuildTracker":
logger.debug("Entered build tracker: %s", self._root)
return self
def __exit__(
self,
exc_type: Optional[Type[BaseException]],
exc_val: Optional[BaseException],
exc_tb: Optional[TracebackType],
) -> None:
self.cleanup()
def _entry_path(self, key: TrackerId) -> str:
hashed = hashlib.sha224(key.encode()).hexdigest()
return os.path.join(self._root, hashed)
def add(self, req: InstallRequirement, key: TrackerId) -> None:
"""Add an InstallRequirement to build tracking."""
# Get the file to write information about this requirement.
entry_path = self._entry_path(key)
# Try reading from the file. If it exists and can be read from, a build
# is already in progress, so a LookupError is raised.
try:
with open(entry_path) as fp:
contents = fp.read()
except FileNotFoundError:
pass
else:
message = f"{req.link} is already being built: {contents}"
raise LookupError(message)
# If we're here, req should really not be building already.
assert key not in self._entries
# Start tracking this requirement.
with open(entry_path, "w", encoding="utf-8") as fp:
fp.write(str(req))
self._entries[key] = req
logger.debug("Added %s to build tracker %r", req, self._root)
def remove(self, req: InstallRequirement, key: TrackerId) -> None:
"""Remove an InstallRequirement from build tracking."""
# Delete the created file and the corresponding entry.
os.unlink(self._entry_path(key))
del self._entries[key]
logger.debug("Removed %s from build tracker %r", req, self._root)
def cleanup(self) -> None:
for key, req in list(self._entries.items()):
self.remove(req, key)
logger.debug("Removed build tracker: %r", self._root)
@contextlib.contextmanager
def track(self, req: InstallRequirement, key: str) -> Generator[None, None, None]:
"""Ensure that `key` cannot install itself as a setup requirement.
:raises LookupError: If `key` was already provided in a parent invocation of
the context introduced by this method."""
tracker_id = TrackerId(key)
self.add(req, tracker_id)
yield
self.remove(req, tracker_id)

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httpd/env/lib/python3.12/site-packages/pip/_internal/operations/build/metadata.py vendored
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"""Metadata generation logic for source distributions.
"""
import os
from pip._vendor.pyproject_hooks import BuildBackendHookCaller
from pip._internal.build_env import BuildEnvironment
from pip._internal.exceptions import (
InstallationSubprocessError,
MetadataGenerationFailed,
)
from pip._internal.utils.subprocess import runner_with_spinner_message
from pip._internal.utils.temp_dir import TempDirectory
def generate_metadata(
build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str
) -> str:
"""Generate metadata using mechanisms described in PEP 517.
Returns the generated metadata directory.
"""
metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True)
metadata_dir = metadata_tmpdir.path
with build_env:
# Note that BuildBackendHookCaller implements a fallback for
# prepare_metadata_for_build_wheel, so we don't have to
# consider the possibility that this hook doesn't exist.
runner = runner_with_spinner_message("Preparing metadata (pyproject.toml)")
with backend.subprocess_runner(runner):
try:
distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir)
except InstallationSubprocessError as error:
raise MetadataGenerationFailed(package_details=details) from error
return os.path.join(metadata_dir, distinfo_dir)

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"""Metadata generation logic for source distributions.
"""
import os
from pip._vendor.pyproject_hooks import BuildBackendHookCaller
from pip._internal.build_env import BuildEnvironment
from pip._internal.exceptions import (
InstallationSubprocessError,
MetadataGenerationFailed,
)
from pip._internal.utils.subprocess import runner_with_spinner_message
from pip._internal.utils.temp_dir import TempDirectory
def generate_editable_metadata(
build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str
) -> str:
"""Generate metadata using mechanisms described in PEP 660.
Returns the generated metadata directory.
"""
metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True)
metadata_dir = metadata_tmpdir.path
with build_env:
# Note that BuildBackendHookCaller implements a fallback for
# prepare_metadata_for_build_wheel/editable, so we don't have to
# consider the possibility that this hook doesn't exist.
runner = runner_with_spinner_message(
"Preparing editable metadata (pyproject.toml)"
)
with backend.subprocess_runner(runner):
try:
distinfo_dir = backend.prepare_metadata_for_build_editable(metadata_dir)
except InstallationSubprocessError as error:
raise MetadataGenerationFailed(package_details=details) from error
assert distinfo_dir is not None
return os.path.join(metadata_dir, distinfo_dir)

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"""Metadata generation logic for legacy source distributions.
"""
import logging
import os
from pip._internal.build_env import BuildEnvironment
from pip._internal.cli.spinners import open_spinner
from pip._internal.exceptions import (
InstallationError,
InstallationSubprocessError,
MetadataGenerationFailed,
)
from pip._internal.utils.setuptools_build import make_setuptools_egg_info_args
from pip._internal.utils.subprocess import call_subprocess
from pip._internal.utils.temp_dir import TempDirectory
logger = logging.getLogger(__name__)
def _find_egg_info(directory: str) -> str:
"""Find an .egg-info subdirectory in `directory`."""
filenames = [f for f in os.listdir(directory) if f.endswith(".egg-info")]
if not filenames:
raise InstallationError(f"No .egg-info directory found in {directory}")
if len(filenames) > 1:
raise InstallationError(
f"More than one .egg-info directory found in {directory}"
)
return os.path.join(directory, filenames[0])
def generate_metadata(
build_env: BuildEnvironment,
setup_py_path: str,
source_dir: str,
isolated: bool,
details: str,
) -> str:
"""Generate metadata using setup.py-based defacto mechanisms.
Returns the generated metadata directory.
"""
logger.debug(
"Running setup.py (path:%s) egg_info for package %s",
setup_py_path,
details,
)
egg_info_dir = TempDirectory(kind="pip-egg-info", globally_managed=True).path
args = make_setuptools_egg_info_args(
setup_py_path,
egg_info_dir=egg_info_dir,
no_user_config=isolated,
)
with build_env:
with open_spinner("Preparing metadata (setup.py)") as spinner:
try:
call_subprocess(
args,
cwd=source_dir,
command_desc="python setup.py egg_info",
spinner=spinner,
)
except InstallationSubprocessError as error:
raise MetadataGenerationFailed(package_details=details) from error
# Return the .egg-info directory.
return _find_egg_info(egg_info_dir)

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import logging
import os
from typing import Optional
from pip._vendor.pyproject_hooks import BuildBackendHookCaller
from pip._internal.utils.subprocess import runner_with_spinner_message
logger = logging.getLogger(__name__)
def build_wheel_pep517(
name: str,
backend: BuildBackendHookCaller,
metadata_directory: str,
tempd: str,
) -> Optional[str]:
"""Build one InstallRequirement using the PEP 517 build process.
Returns path to wheel if successfully built. Otherwise, returns None.
"""
assert metadata_directory is not None
try:
logger.debug("Destination directory: %s", tempd)
runner = runner_with_spinner_message(
f"Building wheel for {name} (pyproject.toml)"
)
with backend.subprocess_runner(runner):
wheel_name = backend.build_wheel(
tempd,
metadata_directory=metadata_directory,
)
except Exception:
logger.error("Failed building wheel for %s", name)
return None
return os.path.join(tempd, wheel_name)

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import logging
import os
from typing import Optional
from pip._vendor.pyproject_hooks import BuildBackendHookCaller, HookMissing
from pip._internal.utils.subprocess import runner_with_spinner_message
logger = logging.getLogger(__name__)
def build_wheel_editable(
name: str,
backend: BuildBackendHookCaller,
metadata_directory: str,
tempd: str,
) -> Optional[str]:
"""Build one InstallRequirement using the PEP 660 build process.
Returns path to wheel if successfully built. Otherwise, returns None.
"""
assert metadata_directory is not None
try:
logger.debug("Destination directory: %s", tempd)
runner = runner_with_spinner_message(
f"Building editable for {name} (pyproject.toml)"
)
with backend.subprocess_runner(runner):
try:
wheel_name = backend.build_editable(
tempd,
metadata_directory=metadata_directory,
)
except HookMissing as e:
logger.error(
"Cannot build editable %s because the build "
"backend does not have the %s hook",
name,
e,
)
return None
except Exception:
logger.error("Failed building editable for %s", name)
return None
return os.path.join(tempd, wheel_name)

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import logging
import os.path
from typing import List, Optional
from pip._internal.cli.spinners import open_spinner
from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args
from pip._internal.utils.subprocess import call_subprocess, format_command_args
logger = logging.getLogger(__name__)
def format_command_result(
command_args: List[str],
command_output: str,
) -> str:
"""Format command information for logging."""
command_desc = format_command_args(command_args)
text = f"Command arguments: {command_desc}\n"
if not command_output:
text += "Command output: None"
elif logger.getEffectiveLevel() > logging.DEBUG:
text += "Command output: [use --verbose to show]"
else:
if not command_output.endswith("\n"):
command_output += "\n"
text += f"Command output:\n{command_output}"
return text
def get_legacy_build_wheel_path(
names: List[str],
temp_dir: str,
name: str,
command_args: List[str],
command_output: str,
) -> Optional[str]:
"""Return the path to the wheel in the temporary build directory."""
# Sort for determinism.
names = sorted(names)
if not names:
msg = f"Legacy build of wheel for {name!r} created no files.\n"
msg += format_command_result(command_args, command_output)
logger.warning(msg)
return None
if len(names) > 1:
msg = (
f"Legacy build of wheel for {name!r} created more than one file.\n"
f"Filenames (choosing first): {names}\n"
)
msg += format_command_result(command_args, command_output)
logger.warning(msg)
return os.path.join(temp_dir, names[0])
def build_wheel_legacy(
name: str,
setup_py_path: str,
source_dir: str,
global_options: List[str],
build_options: List[str],
tempd: str,
) -> Optional[str]:
"""Build one unpacked package using the "legacy" build process.
Returns path to wheel if successfully built. Otherwise, returns None.
"""
wheel_args = make_setuptools_bdist_wheel_args(
setup_py_path,
global_options=global_options,
build_options=build_options,
destination_dir=tempd,
)
spin_message = f"Building wheel for {name} (setup.py)"
with open_spinner(spin_message) as spinner:
logger.debug("Destination directory: %s", tempd)
try:
output = call_subprocess(
wheel_args,
command_desc="python setup.py bdist_wheel",
cwd=source_dir,
spinner=spinner,
)
except Exception:
spinner.finish("error")
logger.error("Failed building wheel for %s", name)
return None
names = os.listdir(tempd)
wheel_path = get_legacy_build_wheel_path(
names=names,
temp_dir=tempd,
name=name,
command_args=wheel_args,
command_output=output,
)
return wheel_path

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"""Validation of dependencies of packages
"""
import logging
from contextlib import suppress
from email.parser import Parser
from functools import reduce
from typing import (
Callable,
Dict,
FrozenSet,
Generator,
Iterable,
List,
NamedTuple,
Optional,
Set,
Tuple,
)
from pip._vendor.packaging.requirements import Requirement
from pip._vendor.packaging.tags import Tag, parse_tag
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import Version
from pip._internal.distributions import make_distribution_for_install_requirement
from pip._internal.metadata import get_default_environment
from pip._internal.metadata.base import BaseDistribution
from pip._internal.req.req_install import InstallRequirement
logger = logging.getLogger(__name__)
class PackageDetails(NamedTuple):
version: Version
dependencies: List[Requirement]
# Shorthands
PackageSet = Dict[NormalizedName, PackageDetails]
Missing = Tuple[NormalizedName, Requirement]
Conflicting = Tuple[NormalizedName, Version, Requirement]
MissingDict = Dict[NormalizedName, List[Missing]]
ConflictingDict = Dict[NormalizedName, List[Conflicting]]
CheckResult = Tuple[MissingDict, ConflictingDict]
ConflictDetails = Tuple[PackageSet, CheckResult]
def create_package_set_from_installed() -> Tuple[PackageSet, bool]:
"""Converts a list of distributions into a PackageSet."""
package_set = {}
problems = False
env = get_default_environment()
for dist in env.iter_installed_distributions(local_only=False, skip=()):
name = dist.canonical_name
try:
dependencies = list(dist.iter_dependencies())
package_set[name] = PackageDetails(dist.version, dependencies)
except (OSError, ValueError) as e:
# Don't crash on unreadable or broken metadata.
logger.warning("Error parsing dependencies of %s: %s", name, e)
problems = True
return package_set, problems
def check_package_set(
package_set: PackageSet, should_ignore: Optional[Callable[[str], bool]] = None
) -> CheckResult:
"""Check if a package set is consistent
If should_ignore is passed, it should be a callable that takes a
package name and returns a boolean.
"""
missing = {}
conflicting = {}
for package_name, package_detail in package_set.items():
# Info about dependencies of package_name
missing_deps: Set[Missing] = set()
conflicting_deps: Set[Conflicting] = set()
if should_ignore and should_ignore(package_name):
continue
for req in package_detail.dependencies:
name = canonicalize_name(req.name)
# Check if it's missing
if name not in package_set:
missed = True
if req.marker is not None:
missed = req.marker.evaluate({"extra": ""})
if missed:
missing_deps.add((name, req))
continue
# Check if there's a conflict
version = package_set[name].version
if not req.specifier.contains(version, prereleases=True):
conflicting_deps.add((name, version, req))
if missing_deps:
missing[package_name] = sorted(missing_deps, key=str)
if conflicting_deps:
conflicting[package_name] = sorted(conflicting_deps, key=str)
return missing, conflicting
def check_install_conflicts(to_install: List[InstallRequirement]) -> ConflictDetails:
"""For checking if the dependency graph would be consistent after \
installing given requirements
"""
# Start from the current state
package_set, _ = create_package_set_from_installed()
# Install packages
would_be_installed = _simulate_installation_of(to_install, package_set)
# Only warn about directly-dependent packages; create a whitelist of them
whitelist = _create_whitelist(would_be_installed, package_set)
return (
package_set,
check_package_set(
package_set, should_ignore=lambda name: name not in whitelist
),
)
def check_unsupported(
packages: Iterable[BaseDistribution],
supported_tags: Iterable[Tag],
) -> Generator[BaseDistribution, None, None]:
for p in packages:
with suppress(FileNotFoundError):
wheel_file = p.read_text("WHEEL")
wheel_tags: FrozenSet[Tag] = reduce(
frozenset.union,
map(parse_tag, Parser().parsestr(wheel_file).get_all("Tag", [])),
frozenset(),
)
if wheel_tags.isdisjoint(supported_tags):
yield p
def _simulate_installation_of(
to_install: List[InstallRequirement], package_set: PackageSet
) -> Set[NormalizedName]:
"""Computes the version of packages after installing to_install."""
# Keep track of packages that were installed
installed = set()
# Modify it as installing requirement_set would (assuming no errors)
for inst_req in to_install:
abstract_dist = make_distribution_for_install_requirement(inst_req)
dist = abstract_dist.get_metadata_distribution()
name = dist.canonical_name
package_set[name] = PackageDetails(dist.version, list(dist.iter_dependencies()))
installed.add(name)
return installed
def _create_whitelist(
would_be_installed: Set[NormalizedName], package_set: PackageSet
) -> Set[NormalizedName]:
packages_affected = set(would_be_installed)
for package_name in package_set:
if package_name in packages_affected:
continue
for req in package_set[package_name].dependencies:
if canonicalize_name(req.name) in packages_affected:
packages_affected.add(package_name)
break
return packages_affected

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import collections
import logging
import os
from dataclasses import dataclass, field
from typing import Container, Dict, Generator, Iterable, List, NamedTuple, Optional, Set
from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import InvalidVersion
from pip._internal.exceptions import BadCommand, InstallationError
from pip._internal.metadata import BaseDistribution, get_environment
from pip._internal.req.constructors import (
install_req_from_editable,
install_req_from_line,
)
from pip._internal.req.req_file import COMMENT_RE
from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference
logger = logging.getLogger(__name__)
class _EditableInfo(NamedTuple):
requirement: str
comments: List[str]
def freeze(
requirement: Optional[List[str]] = None,
local_only: bool = False,
user_only: bool = False,
paths: Optional[List[str]] = None,
isolated: bool = False,
exclude_editable: bool = False,
skip: Container[str] = (),
) -> Generator[str, None, None]:
installations: Dict[str, FrozenRequirement] = {}
dists = get_environment(paths).iter_installed_distributions(
local_only=local_only,
skip=(),
user_only=user_only,
)
for dist in dists:
req = FrozenRequirement.from_dist(dist)
if exclude_editable and req.editable:
continue
installations[req.canonical_name] = req
if requirement:
# the options that don't get turned into an InstallRequirement
# should only be emitted once, even if the same option is in multiple
# requirements files, so we need to keep track of what has been emitted
# so that we don't emit it again if it's seen again
emitted_options: Set[str] = set()
# keep track of which files a requirement is in so that we can
# give an accurate warning if a requirement appears multiple times.
req_files: Dict[str, List[str]] = collections.defaultdict(list)
for req_file_path in requirement:
with open(req_file_path) as req_file:
for line in req_file:
if (
not line.strip()
or line.strip().startswith("#")
or line.startswith(
(
"-r",
"--requirement",
"-f",
"--find-links",
"-i",
"--index-url",
"--pre",
"--trusted-host",
"--process-dependency-links",
"--extra-index-url",
"--use-feature",
)
)
):
line = line.rstrip()
if line not in emitted_options:
emitted_options.add(line)
yield line
continue
if line.startswith("-e") or line.startswith("--editable"):
if line.startswith("-e"):
line = line[2:].strip()
else:
line = line[len("--editable") :].strip().lstrip("=")
line_req = install_req_from_editable(
line,
isolated=isolated,
)
else:
line_req = install_req_from_line(
COMMENT_RE.sub("", line).strip(),
isolated=isolated,
)
if not line_req.name:
logger.info(
"Skipping line in requirement file [%s] because "
"it's not clear what it would install: %s",
req_file_path,
line.strip(),
)
logger.info(
" (add #egg=PackageName to the URL to avoid"
" this warning)"
)
else:
line_req_canonical_name = canonicalize_name(line_req.name)
if line_req_canonical_name not in installations:
# either it's not installed, or it is installed
# but has been processed already
if not req_files[line_req.name]:
logger.warning(
"Requirement file [%s] contains %s, but "
"package %r is not installed",
req_file_path,
COMMENT_RE.sub("", line).strip(),
line_req.name,
)
else:
req_files[line_req.name].append(req_file_path)
else:
yield str(installations[line_req_canonical_name]).rstrip()
del installations[line_req_canonical_name]
req_files[line_req.name].append(req_file_path)
# Warn about requirements that were included multiple times (in a
# single requirements file or in different requirements files).
for name, files in req_files.items():
if len(files) > 1:
logger.warning(
"Requirement %s included multiple times [%s]",
name,
", ".join(sorted(set(files))),
)
yield ("## The following requirements were added by pip freeze:")
for installation in sorted(installations.values(), key=lambda x: x.name.lower()):
if installation.canonical_name not in skip:
yield str(installation).rstrip()
def _format_as_name_version(dist: BaseDistribution) -> str:
try:
dist_version = dist.version
except InvalidVersion:
# legacy version
return f"{dist.raw_name}==={dist.raw_version}"
else:
return f"{dist.raw_name}=={dist_version}"
def _get_editable_info(dist: BaseDistribution) -> _EditableInfo:
"""
Compute and return values (req, comments) for use in
FrozenRequirement.from_dist().
"""
editable_project_location = dist.editable_project_location
assert editable_project_location
location = os.path.normcase(os.path.abspath(editable_project_location))
from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs
vcs_backend = vcs.get_backend_for_dir(location)
if vcs_backend is None:
display = _format_as_name_version(dist)
logger.debug(
'No VCS found for editable requirement "%s" in: %r',
display,
location,
)
return _EditableInfo(
requirement=location,
comments=[f"# Editable install with no version control ({display})"],
)
vcs_name = type(vcs_backend).__name__
try:
req = vcs_backend.get_src_requirement(location, dist.raw_name)
except RemoteNotFoundError:
display = _format_as_name_version(dist)
return _EditableInfo(
requirement=location,
comments=[f"# Editable {vcs_name} install with no remote ({display})"],
)
except RemoteNotValidError as ex:
display = _format_as_name_version(dist)
return _EditableInfo(
requirement=location,
comments=[
f"# Editable {vcs_name} install ({display}) with either a deleted "
f"local remote or invalid URI:",
f"# '{ex.url}'",
],
)
except BadCommand:
logger.warning(
"cannot determine version of editable source in %s "
"(%s command not found in path)",
location,
vcs_backend.name,
)
return _EditableInfo(requirement=location, comments=[])
except InstallationError as exc:
logger.warning("Error when trying to get requirement for VCS system %s", exc)
else:
return _EditableInfo(requirement=req, comments=[])
logger.warning("Could not determine repository location of %s", location)
return _EditableInfo(
requirement=location,
comments=["## !! Could not determine repository location"],
)
@dataclass(frozen=True)
class FrozenRequirement:
name: str
req: str
editable: bool
comments: Iterable[str] = field(default_factory=tuple)
@property
def canonical_name(self) -> NormalizedName:
return canonicalize_name(self.name)
@classmethod
def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement":
editable = dist.editable
if editable:
req, comments = _get_editable_info(dist)
else:
comments = []
direct_url = dist.direct_url
if direct_url:
# if PEP 610 metadata is present, use it
req = direct_url_as_pep440_direct_reference(direct_url, dist.raw_name)
else:
# name==version requirement
req = _format_as_name_version(dist)
return cls(dist.raw_name, req, editable, comments=comments)
def __str__(self) -> str:
req = self.req
if self.editable:
req = f"-e {req}"
return "\n".join(list(self.comments) + [str(req)]) + "\n"

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"""For modules related to installing packages.
"""

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"""Legacy editable installation process, i.e. `setup.py develop`.
"""
import logging
from typing import Optional, Sequence
from pip._internal.build_env import BuildEnvironment
from pip._internal.utils.logging import indent_log
from pip._internal.utils.setuptools_build import make_setuptools_develop_args
from pip._internal.utils.subprocess import call_subprocess
logger = logging.getLogger(__name__)
def install_editable(
*,
global_options: Sequence[str],
prefix: Optional[str],
home: Optional[str],
use_user_site: bool,
name: str,
setup_py_path: str,
isolated: bool,
build_env: BuildEnvironment,
unpacked_source_directory: str,
) -> None:
"""Install a package in editable mode. Most arguments are pass-through
to setuptools.
"""
logger.info("Running setup.py develop for %s", name)
args = make_setuptools_develop_args(
setup_py_path,
global_options=global_options,
no_user_config=isolated,
prefix=prefix,
home=home,
use_user_site=use_user_site,
)
with indent_log():
with build_env:
call_subprocess(
args,
command_desc="python setup.py develop",
cwd=unpacked_source_directory,
)

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"""Support for installing and building the "wheel" binary package format.
"""
import collections
import compileall
import contextlib
import csv
import importlib
import logging
import os.path
import re
import shutil
import sys
import warnings
from base64 import urlsafe_b64encode
from email.message import Message
from itertools import chain, filterfalse, starmap
from typing import (
IO,
TYPE_CHECKING,
Any,
BinaryIO,
Callable,
Dict,
Generator,
Iterable,
Iterator,
List,
NewType,
Optional,
Protocol,
Sequence,
Set,
Tuple,
Union,
cast,
)
from zipfile import ZipFile, ZipInfo
from pip._vendor.distlib.scripts import ScriptMaker
from pip._vendor.distlib.util import get_export_entry
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.exceptions import InstallationError
from pip._internal.locations import get_major_minor_version
from pip._internal.metadata import (
BaseDistribution,
FilesystemWheel,
get_wheel_distribution,
)
from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl
from pip._internal.models.scheme import SCHEME_KEYS, Scheme
from pip._internal.utils.filesystem import adjacent_tmp_file, replace
from pip._internal.utils.misc import StreamWrapper, ensure_dir, hash_file, partition
from pip._internal.utils.unpacking import (
current_umask,
is_within_directory,
set_extracted_file_to_default_mode_plus_executable,
zip_item_is_executable,
)
from pip._internal.utils.wheel import parse_wheel
if TYPE_CHECKING:
class File(Protocol):
src_record_path: "RecordPath"
dest_path: str
changed: bool
def save(self) -> None:
pass
logger = logging.getLogger(__name__)
RecordPath = NewType("RecordPath", str)
InstalledCSVRow = Tuple[RecordPath, str, Union[int, str]]
def rehash(path: str, blocksize: int = 1 << 20) -> Tuple[str, str]:
"""Return (encoded_digest, length) for path using hashlib.sha256()"""
h, length = hash_file(path, blocksize)
digest = "sha256=" + urlsafe_b64encode(h.digest()).decode("latin1").rstrip("=")
return (digest, str(length))
def csv_io_kwargs(mode: str) -> Dict[str, Any]:
"""Return keyword arguments to properly open a CSV file
in the given mode.
"""
return {"mode": mode, "newline": "", "encoding": "utf-8"}
def fix_script(path: str) -> bool:
"""Replace #!python with #!/path/to/python
Return True if file was changed.
"""
# XXX RECORD hashes will need to be updated
assert os.path.isfile(path)
with open(path, "rb") as script:
firstline = script.readline()
if not firstline.startswith(b"#!python"):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b"#!" + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, "wb") as script:
script.write(firstline)
script.write(rest)
return True
def wheel_root_is_purelib(metadata: Message) -> bool:
return metadata.get("Root-Is-Purelib", "").lower() == "true"
def get_entrypoints(dist: BaseDistribution) -> Tuple[Dict[str, str], Dict[str, str]]:
console_scripts = {}
gui_scripts = {}
for entry_point in dist.iter_entry_points():
if entry_point.group == "console_scripts":
console_scripts[entry_point.name] = entry_point.value
elif entry_point.group == "gui_scripts":
gui_scripts[entry_point.name] = entry_point.value
return console_scripts, gui_scripts
def message_about_scripts_not_on_PATH(scripts: Sequence[str]) -> Optional[str]:
"""Determine if any scripts are not on PATH and format a warning.
Returns a warning message if one or more scripts are not on PATH,
otherwise None.
"""
if not scripts:
return None
# Group scripts by the path they were installed in
grouped_by_dir: Dict[str, Set[str]] = collections.defaultdict(set)
for destfile in scripts:
parent_dir = os.path.dirname(destfile)
script_name = os.path.basename(destfile)
grouped_by_dir[parent_dir].add(script_name)
# We don't want to warn for directories that are on PATH.
not_warn_dirs = [
os.path.normcase(os.path.normpath(i)).rstrip(os.sep)
for i in os.environ.get("PATH", "").split(os.pathsep)
]
# If an executable sits with sys.executable, we don't warn for it.
# This covers the case of venv invocations without activating the venv.
not_warn_dirs.append(
os.path.normcase(os.path.normpath(os.path.dirname(sys.executable)))
)
warn_for: Dict[str, Set[str]] = {
parent_dir: scripts
for parent_dir, scripts in grouped_by_dir.items()
if os.path.normcase(os.path.normpath(parent_dir)) not in not_warn_dirs
}
if not warn_for:
return None
# Format a message
msg_lines = []
for parent_dir, dir_scripts in warn_for.items():
sorted_scripts: List[str] = sorted(dir_scripts)
if len(sorted_scripts) == 1:
start_text = f"script {sorted_scripts[0]} is"
else:
start_text = "scripts {} are".format(
", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1]
)
msg_lines.append(
f"The {start_text} installed in '{parent_dir}' which is not on PATH."
)
last_line_fmt = (
"Consider adding {} to PATH or, if you prefer "
"to suppress this warning, use --no-warn-script-location."
)
if len(msg_lines) == 1:
msg_lines.append(last_line_fmt.format("this directory"))
else:
msg_lines.append(last_line_fmt.format("these directories"))
# Add a note if any directory starts with ~
warn_for_tilde = any(
i[0] == "~" for i in os.environ.get("PATH", "").split(os.pathsep) if i
)
if warn_for_tilde:
tilde_warning_msg = (
"NOTE: The current PATH contains path(s) starting with `~`, "
"which may not be expanded by all applications."
)
msg_lines.append(tilde_warning_msg)
# Returns the formatted multiline message
return "\n".join(msg_lines)
def _normalized_outrows(
outrows: Iterable[InstalledCSVRow],
) -> List[Tuple[str, str, str]]:
"""Normalize the given rows of a RECORD file.
Items in each row are converted into str. Rows are then sorted to make
the value more predictable for tests.
Each row is a 3-tuple (path, hash, size) and corresponds to a record of
a RECORD file (see PEP 376 and PEP 427 for details). For the rows
passed to this function, the size can be an integer as an int or string,
or the empty string.
"""
# Normally, there should only be one row per path, in which case the
# second and third elements don't come into play when sorting.
# However, in cases in the wild where a path might happen to occur twice,
# we don't want the sort operation to trigger an error (but still want
# determinism). Since the third element can be an int or string, we
# coerce each element to a string to avoid a TypeError in this case.
# For additional background, see--
# https://github.com/pypa/pip/issues/5868
return sorted(
(record_path, hash_, str(size)) for record_path, hash_, size in outrows
)
def _record_to_fs_path(record_path: RecordPath, lib_dir: str) -> str:
return os.path.join(lib_dir, record_path)
def _fs_to_record_path(path: str, lib_dir: str) -> RecordPath:
# On Windows, do not handle relative paths if they belong to different
# logical disks
if os.path.splitdrive(path)[0].lower() == os.path.splitdrive(lib_dir)[0].lower():
path = os.path.relpath(path, lib_dir)
path = path.replace(os.path.sep, "/")
return cast("RecordPath", path)
def get_csv_rows_for_installed(
old_csv_rows: List[List[str]],
installed: Dict[RecordPath, RecordPath],
changed: Set[RecordPath],
generated: List[str],
lib_dir: str,
) -> List[InstalledCSVRow]:
"""
:param installed: A map from archive RECORD path to installation RECORD
path.
"""
installed_rows: List[InstalledCSVRow] = []
for row in old_csv_rows:
if len(row) > 3:
logger.warning("RECORD line has more than three elements: %s", row)
old_record_path = cast("RecordPath", row[0])
new_record_path = installed.pop(old_record_path, old_record_path)
if new_record_path in changed:
digest, length = rehash(_record_to_fs_path(new_record_path, lib_dir))
else:
digest = row[1] if len(row) > 1 else ""
length = row[2] if len(row) > 2 else ""
installed_rows.append((new_record_path, digest, length))
for f in generated:
path = _fs_to_record_path(f, lib_dir)
digest, length = rehash(f)
installed_rows.append((path, digest, length))
return installed_rows + [
(installed_record_path, "", "") for installed_record_path in installed.values()
]
def get_console_script_specs(console: Dict[str, str]) -> List[str]:
"""
Given the mapping from entrypoint name to callable, return the relevant
console script specs.
"""
# Don't mutate caller's version
console = console.copy()
scripts_to_generate = []
# Special case pip and setuptools to generate versioned wrappers
#
# The issue is that some projects (specifically, pip and setuptools) use
# code in setup.py to create "versioned" entry points - pip2.7 on Python
# 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into
# the wheel metadata at build time, and so if the wheel is installed with
# a *different* version of Python the entry points will be wrong. The
# correct fix for this is to enhance the metadata to be able to describe
# such versioned entry points.
# Currently, projects using versioned entry points will either have
# incorrect versioned entry points, or they will not be able to distribute
# "universal" wheels (i.e., they will need a wheel per Python version).
#
# Because setuptools and pip are bundled with _ensurepip and virtualenv,
# we need to use universal wheels. As a workaround, we
# override the versioned entry points in the wheel and generate the
# correct ones.
#
# To add the level of hack in this section of code, in order to support
# ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment
# variable which will control which version scripts get installed.
#
# ENSUREPIP_OPTIONS=altinstall
# - Only pipX.Y and easy_install-X.Y will be generated and installed
# ENSUREPIP_OPTIONS=install
# - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note
# that this option is technically if ENSUREPIP_OPTIONS is set and is
# not altinstall
# DEFAULT
# - The default behavior is to install pip, pipX, pipX.Y, easy_install
# and easy_install-X.Y.
pip_script = console.pop("pip", None)
if pip_script:
if "ENSUREPIP_OPTIONS" not in os.environ:
scripts_to_generate.append("pip = " + pip_script)
if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall":
scripts_to_generate.append(f"pip{sys.version_info[0]} = {pip_script}")
scripts_to_generate.append(f"pip{get_major_minor_version()} = {pip_script}")
# Delete any other versioned pip entry points
pip_ep = [k for k in console if re.match(r"pip(\d+(\.\d+)?)?$", k)]
for k in pip_ep:
del console[k]
easy_install_script = console.pop("easy_install", None)
if easy_install_script:
if "ENSUREPIP_OPTIONS" not in os.environ:
scripts_to_generate.append("easy_install = " + easy_install_script)
scripts_to_generate.append(
f"easy_install-{get_major_minor_version()} = {easy_install_script}"
)
# Delete any other versioned easy_install entry points
easy_install_ep = [
k for k in console if re.match(r"easy_install(-\d+\.\d+)?$", k)
]
for k in easy_install_ep:
del console[k]
# Generate the console entry points specified in the wheel
scripts_to_generate.extend(starmap("{} = {}".format, console.items()))
return scripts_to_generate
class ZipBackedFile:
def __init__(
self, src_record_path: RecordPath, dest_path: str, zip_file: ZipFile
) -> None:
self.src_record_path = src_record_path
self.dest_path = dest_path
self._zip_file = zip_file
self.changed = False
def _getinfo(self) -> ZipInfo:
return self._zip_file.getinfo(self.src_record_path)
def save(self) -> None:
# When we open the output file below, any existing file is truncated
# before we start writing the new contents. This is fine in most
# cases, but can cause a segfault if pip has loaded a shared
# object (e.g. from pyopenssl through its vendored urllib3)
# Since the shared object is mmap'd an attempt to call a
# symbol in it will then cause a segfault. Unlinking the file
# allows writing of new contents while allowing the process to
# continue to use the old copy.
if os.path.exists(self.dest_path):
os.unlink(self.dest_path)
zipinfo = self._getinfo()
# optimization: the file is created by open(),
# skip the decompression when there is 0 bytes to decompress.
with open(self.dest_path, "wb") as dest:
if zipinfo.file_size > 0:
with self._zip_file.open(zipinfo) as f:
blocksize = min(zipinfo.file_size, 1024 * 1024)
shutil.copyfileobj(f, dest, blocksize)
if zip_item_is_executable(zipinfo):
set_extracted_file_to_default_mode_plus_executable(self.dest_path)
class ScriptFile:
def __init__(self, file: "File") -> None:
self._file = file
self.src_record_path = self._file.src_record_path
self.dest_path = self._file.dest_path
self.changed = False
def save(self) -> None:
self._file.save()
self.changed = fix_script(self.dest_path)
class MissingCallableSuffix(InstallationError):
def __init__(self, entry_point: str) -> None:
super().__init__(
f"Invalid script entry point: {entry_point} - A callable "
"suffix is required. Cf https://packaging.python.org/"
"specifications/entry-points/#use-for-scripts for more "
"information."
)
def _raise_for_invalid_entrypoint(specification: str) -> None:
entry = get_export_entry(specification)
if entry is not None and entry.suffix is None:
raise MissingCallableSuffix(str(entry))
class PipScriptMaker(ScriptMaker):
def make(
self, specification: str, options: Optional[Dict[str, Any]] = None
) -> List[str]:
_raise_for_invalid_entrypoint(specification)
return super().make(specification, options)
def _install_wheel( # noqa: C901, PLR0915 function is too long
name: str,
wheel_zip: ZipFile,
wheel_path: str,
scheme: Scheme,
pycompile: bool = True,
warn_script_location: bool = True,
direct_url: Optional[DirectUrl] = None,
requested: bool = False,
) -> None:
"""Install a wheel.
:param name: Name of the project to install
:param wheel_zip: open ZipFile for wheel being installed
:param scheme: Distutils scheme dictating the install directories
:param req_description: String used in place of the requirement, for
logging
:param pycompile: Whether to byte-compile installed Python files
:param warn_script_location: Whether to check that scripts are installed
into a directory on PATH
:raises UnsupportedWheel:
* when the directory holds an unpacked wheel with incompatible
Wheel-Version
* when the .dist-info dir does not match the wheel
"""
info_dir, metadata = parse_wheel(wheel_zip, name)
if wheel_root_is_purelib(metadata):
lib_dir = scheme.purelib
else:
lib_dir = scheme.platlib
# Record details of the files moved
# installed = files copied from the wheel to the destination
# changed = files changed while installing (scripts #! line typically)
# generated = files newly generated during the install (script wrappers)
installed: Dict[RecordPath, RecordPath] = {}
changed: Set[RecordPath] = set()
generated: List[str] = []
def record_installed(
srcfile: RecordPath, destfile: str, modified: bool = False
) -> None:
"""Map archive RECORD paths to installation RECORD paths."""
newpath = _fs_to_record_path(destfile, lib_dir)
installed[srcfile] = newpath
if modified:
changed.add(newpath)
def is_dir_path(path: RecordPath) -> bool:
return path.endswith("/")
def assert_no_path_traversal(dest_dir_path: str, target_path: str) -> None:
if not is_within_directory(dest_dir_path, target_path):
message = (
"The wheel {!r} has a file {!r} trying to install"
" outside the target directory {!r}"
)
raise InstallationError(
message.format(wheel_path, target_path, dest_dir_path)
)
def root_scheme_file_maker(
zip_file: ZipFile, dest: str
) -> Callable[[RecordPath], "File"]:
def make_root_scheme_file(record_path: RecordPath) -> "File":
normed_path = os.path.normpath(record_path)
dest_path = os.path.join(dest, normed_path)
assert_no_path_traversal(dest, dest_path)
return ZipBackedFile(record_path, dest_path, zip_file)
return make_root_scheme_file
def data_scheme_file_maker(
zip_file: ZipFile, scheme: Scheme
) -> Callable[[RecordPath], "File"]:
scheme_paths = {key: getattr(scheme, key) for key in SCHEME_KEYS}
def make_data_scheme_file(record_path: RecordPath) -> "File":
normed_path = os.path.normpath(record_path)
try:
_, scheme_key, dest_subpath = normed_path.split(os.path.sep, 2)
except ValueError:
message = (
f"Unexpected file in {wheel_path}: {record_path!r}. .data directory"
" contents should be named like: '<scheme key>/<path>'."
)
raise InstallationError(message)
try:
scheme_path = scheme_paths[scheme_key]
except KeyError:
valid_scheme_keys = ", ".join(sorted(scheme_paths))
message = (
f"Unknown scheme key used in {wheel_path}: {scheme_key} "
f"(for file {record_path!r}). .data directory contents "
f"should be in subdirectories named with a valid scheme "
f"key ({valid_scheme_keys})"
)
raise InstallationError(message)
dest_path = os.path.join(scheme_path, dest_subpath)
assert_no_path_traversal(scheme_path, dest_path)
return ZipBackedFile(record_path, dest_path, zip_file)
return make_data_scheme_file
def is_data_scheme_path(path: RecordPath) -> bool:
return path.split("/", 1)[0].endswith(".data")
paths = cast(List[RecordPath], wheel_zip.namelist())
file_paths = filterfalse(is_dir_path, paths)
root_scheme_paths, data_scheme_paths = partition(is_data_scheme_path, file_paths)
make_root_scheme_file = root_scheme_file_maker(wheel_zip, lib_dir)
files: Iterator[File] = map(make_root_scheme_file, root_scheme_paths)
def is_script_scheme_path(path: RecordPath) -> bool:
parts = path.split("/", 2)
return len(parts) > 2 and parts[0].endswith(".data") and parts[1] == "scripts"
other_scheme_paths, script_scheme_paths = partition(
is_script_scheme_path, data_scheme_paths
)
make_data_scheme_file = data_scheme_file_maker(wheel_zip, scheme)
other_scheme_files = map(make_data_scheme_file, other_scheme_paths)
files = chain(files, other_scheme_files)
# Get the defined entry points
distribution = get_wheel_distribution(
FilesystemWheel(wheel_path),
canonicalize_name(name),
)
console, gui = get_entrypoints(distribution)
def is_entrypoint_wrapper(file: "File") -> bool:
# EP, EP.exe and EP-script.py are scripts generated for
# entry point EP by setuptools
path = file.dest_path
name = os.path.basename(path)
if name.lower().endswith(".exe"):
matchname = name[:-4]
elif name.lower().endswith("-script.py"):
matchname = name[:-10]
elif name.lower().endswith(".pya"):
matchname = name[:-4]
else:
matchname = name
# Ignore setuptools-generated scripts
return matchname in console or matchname in gui
script_scheme_files: Iterator[File] = map(
make_data_scheme_file, script_scheme_paths
)
script_scheme_files = filterfalse(is_entrypoint_wrapper, script_scheme_files)
script_scheme_files = map(ScriptFile, script_scheme_files)
files = chain(files, script_scheme_files)
existing_parents = set()
for file in files:
# directory creation is lazy and after file filtering
# to ensure we don't install empty dirs; empty dirs can't be
# uninstalled.
parent_dir = os.path.dirname(file.dest_path)
if parent_dir not in existing_parents:
ensure_dir(parent_dir)
existing_parents.add(parent_dir)
file.save()
record_installed(file.src_record_path, file.dest_path, file.changed)
def pyc_source_file_paths() -> Generator[str, None, None]:
# We de-duplicate installation paths, since there can be overlap (e.g.
# file in .data maps to same location as file in wheel root).
# Sorting installation paths makes it easier to reproduce and debug
# issues related to permissions on existing files.
for installed_path in sorted(set(installed.values())):
full_installed_path = os.path.join(lib_dir, installed_path)
if not os.path.isfile(full_installed_path):
continue
if not full_installed_path.endswith(".py"):
continue
yield full_installed_path
def pyc_output_path(path: str) -> str:
"""Return the path the pyc file would have been written to."""
return importlib.util.cache_from_source(path)
# Compile all of the pyc files for the installed files
if pycompile:
with contextlib.redirect_stdout(
StreamWrapper.from_stream(sys.stdout)
) as stdout:
with warnings.catch_warnings():
warnings.filterwarnings("ignore")
for path in pyc_source_file_paths():
success = compileall.compile_file(path, force=True, quiet=True)
if success:
pyc_path = pyc_output_path(path)
assert os.path.exists(pyc_path)
pyc_record_path = cast(
"RecordPath", pyc_path.replace(os.path.sep, "/")
)
record_installed(pyc_record_path, pyc_path)
logger.debug(stdout.getvalue())
maker = PipScriptMaker(None, scheme.scripts)
# Ensure old scripts are overwritten.
# See https://github.com/pypa/pip/issues/1800
maker.clobber = True
# Ensure we don't generate any variants for scripts because this is almost
# never what somebody wants.
# See https://bitbucket.org/pypa/distlib/issue/35/
maker.variants = {""}
# This is required because otherwise distlib creates scripts that are not
# executable.
# See https://bitbucket.org/pypa/distlib/issue/32/
maker.set_mode = True
# Generate the console and GUI entry points specified in the wheel
scripts_to_generate = get_console_script_specs(console)
gui_scripts_to_generate = list(starmap("{} = {}".format, gui.items()))
generated_console_scripts = maker.make_multiple(scripts_to_generate)
generated.extend(generated_console_scripts)
generated.extend(maker.make_multiple(gui_scripts_to_generate, {"gui": True}))
if warn_script_location:
msg = message_about_scripts_not_on_PATH(generated_console_scripts)
if msg is not None:
logger.warning(msg)
generated_file_mode = 0o666 & ~current_umask()
@contextlib.contextmanager
def _generate_file(path: str, **kwargs: Any) -> Generator[BinaryIO, None, None]:
with adjacent_tmp_file(path, **kwargs) as f:
yield f
os.chmod(f.name, generated_file_mode)
replace(f.name, path)
dest_info_dir = os.path.join(lib_dir, info_dir)
# Record pip as the installer
installer_path = os.path.join(dest_info_dir, "INSTALLER")
with _generate_file(installer_path) as installer_file:
installer_file.write(b"pip\n")
generated.append(installer_path)
# Record the PEP 610 direct URL reference
if direct_url is not None:
direct_url_path = os.path.join(dest_info_dir, DIRECT_URL_METADATA_NAME)
with _generate_file(direct_url_path) as direct_url_file:
direct_url_file.write(direct_url.to_json().encode("utf-8"))
generated.append(direct_url_path)
# Record the REQUESTED file
if requested:
requested_path = os.path.join(dest_info_dir, "REQUESTED")
with open(requested_path, "wb"):
pass
generated.append(requested_path)
record_text = distribution.read_text("RECORD")
record_rows = list(csv.reader(record_text.splitlines()))
rows = get_csv_rows_for_installed(
record_rows,
installed=installed,
changed=changed,
generated=generated,
lib_dir=lib_dir,
)
# Record details of all files installed
record_path = os.path.join(dest_info_dir, "RECORD")
with _generate_file(record_path, **csv_io_kwargs("w")) as record_file:
# Explicitly cast to typing.IO[str] as a workaround for the mypy error:
# "writer" has incompatible type "BinaryIO"; expected "_Writer"
writer = csv.writer(cast("IO[str]", record_file))
writer.writerows(_normalized_outrows(rows))
@contextlib.contextmanager
def req_error_context(req_description: str) -> Generator[None, None, None]:
try:
yield
except InstallationError as e:
message = f"For req: {req_description}. {e.args[0]}"
raise InstallationError(message) from e
def install_wheel(
name: str,
wheel_path: str,
scheme: Scheme,
req_description: str,
pycompile: bool = True,
warn_script_location: bool = True,
direct_url: Optional[DirectUrl] = None,
requested: bool = False,
) -> None:
with ZipFile(wheel_path, allowZip64=True) as z:
with req_error_context(req_description):
_install_wheel(
name=name,
wheel_zip=z,
wheel_path=wheel_path,
scheme=scheme,
pycompile=pycompile,
warn_script_location=warn_script_location,
direct_url=direct_url,
requested=requested,
)

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@ -1,732 +0,0 @@
"""Prepares a distribution for installation
"""
# The following comment should be removed at some point in the future.
# mypy: strict-optional=False
import mimetypes
import os
import shutil
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, Iterable, List, Optional
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.distributions import make_distribution_for_install_requirement
from pip._internal.distributions.installed import InstalledDistribution
from pip._internal.exceptions import (
DirectoryUrlHashUnsupported,
HashMismatch,
HashUnpinned,
InstallationError,
MetadataInconsistent,
NetworkConnectionError,
VcsHashUnsupported,
)
from pip._internal.index.package_finder import PackageFinder
from pip._internal.metadata import BaseDistribution, get_metadata_distribution
from pip._internal.models.direct_url import ArchiveInfo
from pip._internal.models.link import Link
from pip._internal.models.wheel import Wheel
from pip._internal.network.download import BatchDownloader, Downloader
from pip._internal.network.lazy_wheel import (
HTTPRangeRequestUnsupported,
dist_from_wheel_url,
)
from pip._internal.network.session import PipSession
from pip._internal.operations.build.build_tracker import BuildTracker
from pip._internal.req.req_install import InstallRequirement
from pip._internal.utils._log import getLogger
from pip._internal.utils.direct_url_helpers import (
direct_url_for_editable,
direct_url_from_link,
)
from pip._internal.utils.hashes import Hashes, MissingHashes
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import (
display_path,
hash_file,
hide_url,
redact_auth_from_requirement,
)
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.unpacking import unpack_file
from pip._internal.vcs import vcs
logger = getLogger(__name__)
def _get_prepared_distribution(
req: InstallRequirement,
build_tracker: BuildTracker,
finder: PackageFinder,
build_isolation: bool,
check_build_deps: bool,
) -> BaseDistribution:
"""Prepare a distribution for installation."""
abstract_dist = make_distribution_for_install_requirement(req)
tracker_id = abstract_dist.build_tracker_id
if tracker_id is not None:
with build_tracker.track(req, tracker_id):
abstract_dist.prepare_distribution_metadata(
finder, build_isolation, check_build_deps
)
return abstract_dist.get_metadata_distribution()
def unpack_vcs_link(link: Link, location: str, verbosity: int) -> None:
vcs_backend = vcs.get_backend_for_scheme(link.scheme)
assert vcs_backend is not None
vcs_backend.unpack(location, url=hide_url(link.url), verbosity=verbosity)
@dataclass
class File:
path: str
content_type: Optional[str] = None
def __post_init__(self) -> None:
if self.content_type is None:
self.content_type = mimetypes.guess_type(self.path)[0]
def get_http_url(
link: Link,
download: Downloader,
download_dir: Optional[str] = None,
hashes: Optional[Hashes] = None,
) -> File:
temp_dir = TempDirectory(kind="unpack", globally_managed=True)
# If a download dir is specified, is the file already downloaded there?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(link, download_dir, hashes)
if already_downloaded_path:
from_path = already_downloaded_path
content_type = None
else:
# let's download to a tmp dir
from_path, content_type = download(link, temp_dir.path)
if hashes:
hashes.check_against_path(from_path)
return File(from_path, content_type)
def get_file_url(
link: Link, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None
) -> File:
"""Get file and optionally check its hash."""
# If a download dir is specified, is the file already there and valid?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(link, download_dir, hashes)
if already_downloaded_path:
from_path = already_downloaded_path
else:
from_path = link.file_path
# If --require-hashes is off, `hashes` is either empty, the
# link's embedded hash, or MissingHashes; it is required to
# match. If --require-hashes is on, we are satisfied by any
# hash in `hashes` matching: a URL-based or an option-based
# one; no internet-sourced hash will be in `hashes`.
if hashes:
hashes.check_against_path(from_path)
return File(from_path, None)
def unpack_url(
link: Link,
location: str,
download: Downloader,
verbosity: int,
download_dir: Optional[str] = None,
hashes: Optional[Hashes] = None,
) -> Optional[File]:
"""Unpack link into location, downloading if required.
:param hashes: A Hashes object, one of whose embedded hashes must match,
or HashMismatch will be raised. If the Hashes is empty, no matches are
required, and unhashable types of requirements (like VCS ones, which
would ordinarily raise HashUnsupported) are allowed.
"""
# non-editable vcs urls
if link.is_vcs:
unpack_vcs_link(link, location, verbosity=verbosity)
return None
assert not link.is_existing_dir()
# file urls
if link.is_file:
file = get_file_url(link, download_dir, hashes=hashes)
# http urls
else:
file = get_http_url(
link,
download,
download_dir,
hashes=hashes,
)
# unpack the archive to the build dir location. even when only downloading
# archives, they have to be unpacked to parse dependencies, except wheels
if not link.is_wheel:
unpack_file(file.path, location, file.content_type)
return file
def _check_download_dir(
link: Link,
download_dir: str,
hashes: Optional[Hashes],
warn_on_hash_mismatch: bool = True,
) -> Optional[str]:
"""Check download_dir for previously downloaded file with correct hash
If a correct file is found return its path else None
"""
download_path = os.path.join(download_dir, link.filename)
if not os.path.exists(download_path):
return None
# If already downloaded, does its hash match?
logger.info("File was already downloaded %s", download_path)
if hashes:
try:
hashes.check_against_path(download_path)
except HashMismatch:
if warn_on_hash_mismatch:
logger.warning(
"Previously-downloaded file %s has bad hash. Re-downloading.",
download_path,
)
os.unlink(download_path)
return None
return download_path
class RequirementPreparer:
"""Prepares a Requirement"""
def __init__(
self,
build_dir: str,
download_dir: Optional[str],
src_dir: str,
build_isolation: bool,
check_build_deps: bool,
build_tracker: BuildTracker,
session: PipSession,
progress_bar: str,
finder: PackageFinder,
require_hashes: bool,
use_user_site: bool,
lazy_wheel: bool,
verbosity: int,
legacy_resolver: bool,
) -> None:
super().__init__()
self.src_dir = src_dir
self.build_dir = build_dir
self.build_tracker = build_tracker
self._session = session
self._download = Downloader(session, progress_bar)
self._batch_download = BatchDownloader(session, progress_bar)
self.finder = finder
# Where still-packed archives should be written to. If None, they are
# not saved, and are deleted immediately after unpacking.
self.download_dir = download_dir
# Is build isolation allowed?
self.build_isolation = build_isolation
# Should check build dependencies?
self.check_build_deps = check_build_deps
# Should hash-checking be required?
self.require_hashes = require_hashes
# Should install in user site-packages?
self.use_user_site = use_user_site
# Should wheels be downloaded lazily?
self.use_lazy_wheel = lazy_wheel
# How verbose should underlying tooling be?
self.verbosity = verbosity
# Are we using the legacy resolver?
self.legacy_resolver = legacy_resolver
# Memoized downloaded files, as mapping of url: path.
self._downloaded: Dict[str, str] = {}
# Previous "header" printed for a link-based InstallRequirement
self._previous_requirement_header = ("", "")
def _log_preparing_link(self, req: InstallRequirement) -> None:
"""Provide context for the requirement being prepared."""
if req.link.is_file and not req.is_wheel_from_cache:
message = "Processing %s"
information = str(display_path(req.link.file_path))
else:
message = "Collecting %s"
information = redact_auth_from_requirement(req.req) if req.req else str(req)
# If we used req.req, inject requirement source if available (this
# would already be included if we used req directly)
if req.req and req.comes_from:
if isinstance(req.comes_from, str):
comes_from: Optional[str] = req.comes_from
else:
comes_from = req.comes_from.from_path()
if comes_from:
information += f" (from {comes_from})"
if (message, information) != self._previous_requirement_header:
self._previous_requirement_header = (message, information)
logger.info(message, information)
if req.is_wheel_from_cache:
with indent_log():
logger.info("Using cached %s", req.link.filename)
def _ensure_link_req_src_dir(
self, req: InstallRequirement, parallel_builds: bool
) -> None:
"""Ensure source_dir of a linked InstallRequirement."""
# Since source_dir is only set for editable requirements.
if req.link.is_wheel:
# We don't need to unpack wheels, so no need for a source
# directory.
return
assert req.source_dir is None
if req.link.is_existing_dir():
# build local directories in-tree
req.source_dir = req.link.file_path
return
# We always delete unpacked sdists after pip runs.
req.ensure_has_source_dir(
self.build_dir,
autodelete=True,
parallel_builds=parallel_builds,
)
req.ensure_pristine_source_checkout()
def _get_linked_req_hashes(self, req: InstallRequirement) -> Hashes:
# By the time this is called, the requirement's link should have
# been checked so we can tell what kind of requirements req is
# and raise some more informative errors than otherwise.
# (For example, we can raise VcsHashUnsupported for a VCS URL
# rather than HashMissing.)
if not self.require_hashes:
return req.hashes(trust_internet=True)
# We could check these first 2 conditions inside unpack_url
# and save repetition of conditions, but then we would
# report less-useful error messages for unhashable
# requirements, complaining that there's no hash provided.
if req.link.is_vcs:
raise VcsHashUnsupported()
if req.link.is_existing_dir():
raise DirectoryUrlHashUnsupported()
# Unpinned packages are asking for trouble when a new version
# is uploaded. This isn't a security check, but it saves users
# a surprising hash mismatch in the future.
# file:/// URLs aren't pinnable, so don't complain about them
# not being pinned.
if not req.is_direct and not req.is_pinned:
raise HashUnpinned()
# If known-good hashes are missing for this requirement,
# shim it with a facade object that will provoke hash
# computation and then raise a HashMissing exception
# showing the user what the hash should be.
return req.hashes(trust_internet=False) or MissingHashes()
def _fetch_metadata_only(
self,
req: InstallRequirement,
) -> Optional[BaseDistribution]:
if self.legacy_resolver:
logger.debug(
"Metadata-only fetching is not used in the legacy resolver",
)
return None
if self.require_hashes:
logger.debug(
"Metadata-only fetching is not used as hash checking is required",
)
return None
# Try PEP 658 metadata first, then fall back to lazy wheel if unavailable.
return self._fetch_metadata_using_link_data_attr(
req
) or self._fetch_metadata_using_lazy_wheel(req.link)
def _fetch_metadata_using_link_data_attr(
self,
req: InstallRequirement,
) -> Optional[BaseDistribution]:
"""Fetch metadata from the data-dist-info-metadata attribute, if possible."""
# (1) Get the link to the metadata file, if provided by the backend.
metadata_link = req.link.metadata_link()
if metadata_link is None:
return None
assert req.req is not None
logger.verbose(
"Obtaining dependency information for %s from %s",
req.req,
metadata_link,
)
# (2) Download the contents of the METADATA file, separate from the dist itself.
metadata_file = get_http_url(
metadata_link,
self._download,
hashes=metadata_link.as_hashes(),
)
with open(metadata_file.path, "rb") as f:
metadata_contents = f.read()
# (3) Generate a dist just from those file contents.
metadata_dist = get_metadata_distribution(
metadata_contents,
req.link.filename,
req.req.name,
)
# (4) Ensure the Name: field from the METADATA file matches the name from the
# install requirement.
#
# NB: raw_name will fall back to the name from the install requirement if
# the Name: field is not present, but it's noted in the raw_name docstring
# that that should NEVER happen anyway.
if canonicalize_name(metadata_dist.raw_name) != canonicalize_name(req.req.name):
raise MetadataInconsistent(
req, "Name", req.req.name, metadata_dist.raw_name
)
return metadata_dist
def _fetch_metadata_using_lazy_wheel(
self,
link: Link,
) -> Optional[BaseDistribution]:
"""Fetch metadata using lazy wheel, if possible."""
# --use-feature=fast-deps must be provided.
if not self.use_lazy_wheel:
return None
if link.is_file or not link.is_wheel:
logger.debug(
"Lazy wheel is not used as %r does not point to a remote wheel",
link,
)
return None
wheel = Wheel(link.filename)
name = canonicalize_name(wheel.name)
logger.info(
"Obtaining dependency information from %s %s",
name,
wheel.version,
)
url = link.url.split("#", 1)[0]
try:
return dist_from_wheel_url(name, url, self._session)
except HTTPRangeRequestUnsupported:
logger.debug("%s does not support range requests", url)
return None
def _complete_partial_requirements(
self,
partially_downloaded_reqs: Iterable[InstallRequirement],
parallel_builds: bool = False,
) -> None:
"""Download any requirements which were only fetched by metadata."""
# Download to a temporary directory. These will be copied over as
# needed for downstream 'download', 'wheel', and 'install' commands.
temp_dir = TempDirectory(kind="unpack", globally_managed=True).path
# Map each link to the requirement that owns it. This allows us to set
# `req.local_file_path` on the appropriate requirement after passing
# all the links at once into BatchDownloader.
links_to_fully_download: Dict[Link, InstallRequirement] = {}
for req in partially_downloaded_reqs:
assert req.link
links_to_fully_download[req.link] = req
batch_download = self._batch_download(
links_to_fully_download.keys(),
temp_dir,
)
for link, (filepath, _) in batch_download:
logger.debug("Downloading link %s to %s", link, filepath)
req = links_to_fully_download[link]
# Record the downloaded file path so wheel reqs can extract a Distribution
# in .get_dist().
req.local_file_path = filepath
# Record that the file is downloaded so we don't do it again in
# _prepare_linked_requirement().
self._downloaded[req.link.url] = filepath
# If this is an sdist, we need to unpack it after downloading, but the
# .source_dir won't be set up until we are in _prepare_linked_requirement().
# Add the downloaded archive to the install requirement to unpack after
# preparing the source dir.
if not req.is_wheel:
req.needs_unpacked_archive(Path(filepath))
# This step is necessary to ensure all lazy wheels are processed
# successfully by the 'download', 'wheel', and 'install' commands.
for req in partially_downloaded_reqs:
self._prepare_linked_requirement(req, parallel_builds)
def prepare_linked_requirement(
self, req: InstallRequirement, parallel_builds: bool = False
) -> BaseDistribution:
"""Prepare a requirement to be obtained from req.link."""
assert req.link
self._log_preparing_link(req)
with indent_log():
# Check if the relevant file is already available
# in the download directory
file_path = None
if self.download_dir is not None and req.link.is_wheel:
hashes = self._get_linked_req_hashes(req)
file_path = _check_download_dir(
req.link,
self.download_dir,
hashes,
# When a locally built wheel has been found in cache, we don't warn
# about re-downloading when the already downloaded wheel hash does
# not match. This is because the hash must be checked against the
# original link, not the cached link. It that case the already
# downloaded file will be removed and re-fetched from cache (which
# implies a hash check against the cache entry's origin.json).
warn_on_hash_mismatch=not req.is_wheel_from_cache,
)
if file_path is not None:
# The file is already available, so mark it as downloaded
self._downloaded[req.link.url] = file_path
else:
# The file is not available, attempt to fetch only metadata
metadata_dist = self._fetch_metadata_only(req)
if metadata_dist is not None:
req.needs_more_preparation = True
return metadata_dist
# None of the optimizations worked, fully prepare the requirement
return self._prepare_linked_requirement(req, parallel_builds)
def prepare_linked_requirements_more(
self, reqs: Iterable[InstallRequirement], parallel_builds: bool = False
) -> None:
"""Prepare linked requirements more, if needed."""
reqs = [req for req in reqs if req.needs_more_preparation]
for req in reqs:
# Determine if any of these requirements were already downloaded.
if self.download_dir is not None and req.link.is_wheel:
hashes = self._get_linked_req_hashes(req)
file_path = _check_download_dir(req.link, self.download_dir, hashes)
if file_path is not None:
self._downloaded[req.link.url] = file_path
req.needs_more_preparation = False
# Prepare requirements we found were already downloaded for some
# reason. The other downloads will be completed separately.
partially_downloaded_reqs: List[InstallRequirement] = []
for req in reqs:
if req.needs_more_preparation:
partially_downloaded_reqs.append(req)
else:
self._prepare_linked_requirement(req, parallel_builds)
# TODO: separate this part out from RequirementPreparer when the v1
# resolver can be removed!
self._complete_partial_requirements(
partially_downloaded_reqs,
parallel_builds=parallel_builds,
)
def _prepare_linked_requirement(
self, req: InstallRequirement, parallel_builds: bool
) -> BaseDistribution:
assert req.link
link = req.link
hashes = self._get_linked_req_hashes(req)
if hashes and req.is_wheel_from_cache:
assert req.download_info is not None
assert link.is_wheel
assert link.is_file
# We need to verify hashes, and we have found the requirement in the cache
# of locally built wheels.
if (
isinstance(req.download_info.info, ArchiveInfo)
and req.download_info.info.hashes
and hashes.has_one_of(req.download_info.info.hashes)
):
# At this point we know the requirement was built from a hashable source
# artifact, and we verified that the cache entry's hash of the original
# artifact matches one of the hashes we expect. We don't verify hashes
# against the cached wheel, because the wheel is not the original.
hashes = None
else:
logger.warning(
"The hashes of the source archive found in cache entry "
"don't match, ignoring cached built wheel "
"and re-downloading source."
)
req.link = req.cached_wheel_source_link
link = req.link
self._ensure_link_req_src_dir(req, parallel_builds)
if link.is_existing_dir():
local_file = None
elif link.url not in self._downloaded:
try:
local_file = unpack_url(
link,
req.source_dir,
self._download,
self.verbosity,
self.download_dir,
hashes,
)
except NetworkConnectionError as exc:
raise InstallationError(
f"Could not install requirement {req} because of HTTP "
f"error {exc} for URL {link}"
)
else:
file_path = self._downloaded[link.url]
if hashes:
hashes.check_against_path(file_path)
local_file = File(file_path, content_type=None)
# If download_info is set, we got it from the wheel cache.
if req.download_info is None:
# Editables don't go through this function (see
# prepare_editable_requirement).
assert not req.editable
req.download_info = direct_url_from_link(link, req.source_dir)
# Make sure we have a hash in download_info. If we got it as part of the
# URL, it will have been verified and we can rely on it. Otherwise we
# compute it from the downloaded file.
# FIXME: https://github.com/pypa/pip/issues/11943
if (
isinstance(req.download_info.info, ArchiveInfo)
and not req.download_info.info.hashes
and local_file
):
hash = hash_file(local_file.path)[0].hexdigest()
# We populate info.hash for backward compatibility.
# This will automatically populate info.hashes.
req.download_info.info.hash = f"sha256={hash}"
# For use in later processing,
# preserve the file path on the requirement.
if local_file:
req.local_file_path = local_file.path
dist = _get_prepared_distribution(
req,
self.build_tracker,
self.finder,
self.build_isolation,
self.check_build_deps,
)
return dist
def save_linked_requirement(self, req: InstallRequirement) -> None:
assert self.download_dir is not None
assert req.link is not None
link = req.link
if link.is_vcs or (link.is_existing_dir() and req.editable):
# Make a .zip of the source_dir we already created.
req.archive(self.download_dir)
return
if link.is_existing_dir():
logger.debug(
"Not copying link to destination directory "
"since it is a directory: %s",
link,
)
return
if req.local_file_path is None:
# No distribution was downloaded for this requirement.
return
download_location = os.path.join(self.download_dir, link.filename)
if not os.path.exists(download_location):
shutil.copy(req.local_file_path, download_location)
download_path = display_path(download_location)
logger.info("Saved %s", download_path)
def prepare_editable_requirement(
self,
req: InstallRequirement,
) -> BaseDistribution:
"""Prepare an editable requirement."""
assert req.editable, "cannot prepare a non-editable req as editable"
logger.info("Obtaining %s", req)
with indent_log():
if self.require_hashes:
raise InstallationError(
f"The editable requirement {req} cannot be installed when "
"requiring hashes, because there is no single file to "
"hash."
)
req.ensure_has_source_dir(self.src_dir)
req.update_editable()
assert req.source_dir
req.download_info = direct_url_for_editable(req.unpacked_source_directory)
dist = _get_prepared_distribution(
req,
self.build_tracker,
self.finder,
self.build_isolation,
self.check_build_deps,
)
req.check_if_exists(self.use_user_site)
return dist
def prepare_installed_requirement(
self,
req: InstallRequirement,
skip_reason: str,
) -> BaseDistribution:
"""Prepare an already-installed requirement."""
assert req.satisfied_by, "req should have been satisfied but isn't"
assert skip_reason is not None, (
"did not get skip reason skipped but req.satisfied_by "
f"is set to {req.satisfied_by}"
)
logger.info(
"Requirement %s: %s (%s)", skip_reason, req, req.satisfied_by.version
)
with indent_log():
if self.require_hashes:
logger.debug(
"Since it is already installed, we are trusting this "
"package without checking its hash. To ensure a "
"completely repeatable environment, install into an "
"empty virtualenv."
)
return InstalledDistribution(req).get_metadata_distribution()

185
httpd/env/lib/python3.12/site-packages/pip/_internal/pyproject.py vendored
View file

@ -1,185 +0,0 @@
import importlib.util
import os
import sys
from collections import namedtuple
from typing import Any, List, Optional
if sys.version_info >= (3, 11):
import tomllib
else:
from pip._vendor import tomli as tomllib
from pip._vendor.packaging.requirements import InvalidRequirement
from pip._internal.exceptions import (
InstallationError,
InvalidPyProjectBuildRequires,
MissingPyProjectBuildRequires,
)
from pip._internal.utils.packaging import get_requirement
def _is_list_of_str(obj: Any) -> bool:
return isinstance(obj, list) and all(isinstance(item, str) for item in obj)
def make_pyproject_path(unpacked_source_directory: str) -> str:
return os.path.join(unpacked_source_directory, "pyproject.toml")
BuildSystemDetails = namedtuple(
"BuildSystemDetails", ["requires", "backend", "check", "backend_path"]
)
def load_pyproject_toml(
use_pep517: Optional[bool], pyproject_toml: str, setup_py: str, req_name: str
) -> Optional[BuildSystemDetails]:
"""Load the pyproject.toml file.
Parameters:
use_pep517 - Has the user requested PEP 517 processing? None
means the user hasn't explicitly specified.
pyproject_toml - Location of the project's pyproject.toml file
setup_py - Location of the project's setup.py file
req_name - The name of the requirement we're processing (for
error reporting)
Returns:
None if we should use the legacy code path, otherwise a tuple
(
requirements from pyproject.toml,
name of PEP 517 backend,
requirements we should check are installed after setting
up the build environment
directory paths to import the backend from (backend-path),
relative to the project root.
)
"""
has_pyproject = os.path.isfile(pyproject_toml)
has_setup = os.path.isfile(setup_py)
if not has_pyproject and not has_setup:
raise InstallationError(
f"{req_name} does not appear to be a Python project: "
f"neither 'setup.py' nor 'pyproject.toml' found."
)
if has_pyproject:
with open(pyproject_toml, encoding="utf-8") as f:
pp_toml = tomllib.loads(f.read())
build_system = pp_toml.get("build-system")
else:
build_system = None
# The following cases must use PEP 517
# We check for use_pep517 being non-None and falsy because that means
# the user explicitly requested --no-use-pep517. The value 0 as
# opposed to False can occur when the value is provided via an
# environment variable or config file option (due to the quirk of
# strtobool() returning an integer in pip's configuration code).
if has_pyproject and not has_setup:
if use_pep517 is not None and not use_pep517:
raise InstallationError(
"Disabling PEP 517 processing is invalid: "
"project does not have a setup.py"
)
use_pep517 = True
elif build_system and "build-backend" in build_system:
if use_pep517 is not None and not use_pep517:
raise InstallationError(
"Disabling PEP 517 processing is invalid: "
"project specifies a build backend of {} "
"in pyproject.toml".format(build_system["build-backend"])
)
use_pep517 = True
# If we haven't worked out whether to use PEP 517 yet,
# and the user hasn't explicitly stated a preference,
# we do so if the project has a pyproject.toml file
# or if we cannot import setuptools or wheels.
# We fallback to PEP 517 when without setuptools or without the wheel package,
# so setuptools can be installed as a default build backend.
# For more info see:
# https://discuss.python.org/t/pip-without-setuptools-could-the-experience-be-improved/11810/9
# https://github.com/pypa/pip/issues/8559
elif use_pep517 is None:
use_pep517 = (
has_pyproject
or not importlib.util.find_spec("setuptools")
or not importlib.util.find_spec("wheel")
)
# At this point, we know whether we're going to use PEP 517.
assert use_pep517 is not None
# If we're using the legacy code path, there is nothing further
# for us to do here.
if not use_pep517:
return None
if build_system is None:
# Either the user has a pyproject.toml with no build-system
# section, or the user has no pyproject.toml, but has opted in
# explicitly via --use-pep517.
# In the absence of any explicit backend specification, we
# assume the setuptools backend that most closely emulates the
# traditional direct setup.py execution, and require wheel and
# a version of setuptools that supports that backend.
build_system = {
"requires": ["setuptools>=40.8.0"],
"build-backend": "setuptools.build_meta:__legacy__",
}
# If we're using PEP 517, we have build system information (either
# from pyproject.toml, or defaulted by the code above).
# Note that at this point, we do not know if the user has actually
# specified a backend, though.
assert build_system is not None
# Ensure that the build-system section in pyproject.toml conforms
# to PEP 518.
# Specifying the build-system table but not the requires key is invalid
if "requires" not in build_system:
raise MissingPyProjectBuildRequires(package=req_name)
# Error out if requires is not a list of strings
requires = build_system["requires"]
if not _is_list_of_str(requires):
raise InvalidPyProjectBuildRequires(
package=req_name,
reason="It is not a list of strings.",
)
# Each requirement must be valid as per PEP 508
for requirement in requires:
try:
get_requirement(requirement)
except InvalidRequirement as error:
raise InvalidPyProjectBuildRequires(
package=req_name,
reason=f"It contains an invalid requirement: {requirement!r}",
) from error
backend = build_system.get("build-backend")
backend_path = build_system.get("backend-path", [])
check: List[str] = []
if backend is None:
# If the user didn't specify a backend, we assume they want to use
# the setuptools backend. But we can't be sure they have included
# a version of setuptools which supplies the backend. So we
# make a note to check that this requirement is present once
# we have set up the environment.
# This is quite a lot of work to check for a very specific case. But
# the problem is, that case is potentially quite common - projects that
# adopted PEP 518 early for the ability to specify requirements to
# execute setup.py, but never considered needing to mention the build
# tools themselves. The original PEP 518 code had a similar check (but
# implemented in a different way).
backend = "setuptools.build_meta:__legacy__"
check = ["setuptools>=40.8.0"]
return BuildSystemDetails(requires, backend, check, backend_path)

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