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ðŸ“ ..
ðŸ“„ __init__.py(9 KB)
ðŸ“ __pycache__
ðŸ“„ _core_metadata.py(8.71 KB)
ðŸ“ _distutils
ðŸ“„ _entry_points.py(2.18 KB)
ðŸ“„ _imp.py(2.38 KB)
ðŸ“„ _importlib.py(1.43 KB)
ðŸ“„ _itertools.py(675 B)
ðŸ“„ _normalization.py(4.12 KB)
ðŸ“„ _path.py(1.03 KB)
ðŸ“„ _reqs.py(1.09 KB)
ðŸ“ _vendor
ðŸ“„ archive_util.py(7.16 KB)
ðŸ“„ build_meta.py(18.23 KB)
ðŸ“ command
ðŸ“ config
ðŸ“„ dep_util.py(659 B)
ðŸ“„ depends.py(5.45 KB)
ðŸ“„ discovery.py(20.65 KB)
ðŸ“„ dist.py(36.33 KB)
ðŸ“„ errors.py(2.61 KB)
ðŸ“„ extension.py(5.46 KB)
ðŸ“ extern
ðŸ“„ glob.py(4.75 KB)
ðŸ“„ installer.py(4.87 KB)
ðŸ“„ launch.py(812 B)
ðŸ“„ logging.py(1.21 KB)
ðŸ“„ modified.py(190 B)
ðŸ“„ monkey.py(4.67 KB)
ðŸ“„ msvc.py(46.31 KB)
ðŸ“„ namespaces.py(3 KB)
ðŸ“„ package_index.py(37.45 KB)
ðŸ“„ py312compat.py(330 B)
ðŸ“„ sandbox.py(14.01 KB)
ðŸ“„ script (dev).tmpl(218 B)
ðŸ“„ script.tmpl(138 B)
ðŸ“„ unicode_utils.py(941 B)
ðŸ“„ version.py(161 B)
ðŸ“„ warnings.py(3.61 KB)
ðŸ“„ wheel.py(8.43 KB)
ðŸ“„ windows_support.py(720 B)

Editing: installer.py

import glob
import os
import subprocess
import sys
import tempfile
from distutils import log
from distutils.errors import DistutilsError
from functools import partial

from . import _reqs
from .wheel import Wheel
from .warnings import SetuptoolsDeprecationWarning

def _fixup_find_links(find_links):
    """Ensure find-links option end-up being a list of strings."""
    if isinstance(find_links, str):
        return find_links.split()
    assert isinstance(find_links, (tuple, list))
    return find_links

def fetch_build_egg(dist, req):
    """Fetch an egg needed for building.

Use pip/wheel to fetch/build a wheel."""
    _DeprecatedInstaller.emit()
    _warn_wheel_not_available(dist)
    return _fetch_build_egg_no_warn(dist, req)

def _fetch_build_eggs(dist, requires):
    import pkg_resources  # Delay import to avoid unnecessary side-effects

_DeprecatedInstaller.emit(stacklevel=3)
    _warn_wheel_not_available(dist)

resolved_dists = pkg_resources.working_set.resolve(
        _reqs.parse(requires, pkg_resources.Requirement),  # required for compatibility
        installer=partial(_fetch_build_egg_no_warn, dist),  # avoid warning twice
        replace_conflicting=True,
    )
    for dist in resolved_dists:
        pkg_resources.working_set.add(dist, replace=True)
    return resolved_dists

def _fetch_build_egg_no_warn(dist, req):  # noqa: C901  # is too complex (16)  # FIXME
    import pkg_resources  # Delay import to avoid unnecessary side-effects

# Ignore environment markers; if supplied, it is required.
    req = strip_marker(req)
    # Take easy_install options into account, but do not override relevant
    # pip environment variables (like PIP_INDEX_URL or PIP_QUIET); they'll
    # take precedence.
    opts = dist.get_option_dict('easy_install')
    if 'allow_hosts' in opts:
        raise DistutilsError(
            'the `allow-hosts` option is not supported '
            'when using pip to install requirements.'
        )
    quiet = 'PIP_QUIET' not in os.environ and 'PIP_VERBOSE' not in os.environ
    if 'PIP_INDEX_URL' in os.environ:
        index_url = None
    elif 'index_url' in opts:
        index_url = opts['index_url'][1]
    else:
        index_url = None
    find_links = (
        _fixup_find_links(opts['find_links'][1])[:] if 'find_links' in opts else []
    )
    if dist.dependency_links:
        find_links.extend(dist.dependency_links)
    eggs_dir = os.path.realpath(dist.get_egg_cache_dir())
    environment = pkg_resources.Environment()
    for egg_dist in pkg_resources.find_distributions(eggs_dir):
        if egg_dist in req and environment.can_add(egg_dist):
            return egg_dist
    with tempfile.TemporaryDirectory() as tmpdir:
        cmd = [
            sys.executable,
            '-m',
            'pip',
            '--disable-pip-version-check',
            'wheel',
            '--no-deps',
            '-w',
            tmpdir,
        ]
        if quiet:
            cmd.append('--quiet')
        if index_url is not None:
            cmd.extend(('--index-url', index_url))
        for link in find_links or []:
            cmd.extend(('--find-links', link))
        # If requirement is a PEP 508 direct URL, directly pass
        # the URL to pip, as `req @ url` does not work on the
        # command line.
        cmd.append(req.url or str(req))
        try:
            subprocess.check_call(cmd)
        except subprocess.CalledProcessError as e:
            raise DistutilsError(str(e)) from e
        wheel = Wheel(glob.glob(os.path.join(tmpdir, '*.whl'))[0])
        dist_location = os.path.join(eggs_dir, wheel.egg_name())
        wheel.install_as_egg(dist_location)
        dist_metadata = pkg_resources.PathMetadata(
            dist_location, os.path.join(dist_location, 'EGG-INFO')
        )
        dist = pkg_resources.Distribution.from_filename(
            dist_location, metadata=dist_metadata
        )
        return dist

def strip_marker(req):
    """
    Return a new requirement without the environment marker to avoid
    calling pip with something like `babel; extra == "i18n"`, which
    would always be ignored.
    """
    import pkg_resources  # Delay import to avoid unnecessary side-effects

# create a copy to avoid mutating the input
    req = pkg_resources.Requirement.parse(str(req))
    req.marker = None
    return req

def _warn_wheel_not_available(dist):
    import pkg_resources  # Delay import to avoid unnecessary side-effects

try:
        pkg_resources.get_distribution('wheel')
    except pkg_resources.DistributionNotFound:
        dist.announce('WARNING: The wheel package is not available.', log.WARN)

class _DeprecatedInstaller(SetuptoolsDeprecationWarning):
    _SUMMARY = "setuptools.installer and fetch_build_eggs are deprecated."
    _DETAILS = """
    Requirements should be satisfied by a PEP 517 installer.
    If you are using pip, you can try `pip install --use-pep517`.
    """
    # _DUE_DATE not decided yet

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