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?? ..
?? __init__.py(509 B)
?? __pycache__
?? build_env.py(7.9 KB)
?? cache.py(11.96 KB)
?? cli
?? commands
?? configuration.py(13.78 KB)
?? distributions
?? exceptions.py(12.34 KB)
?? index
?? locations.py(6.57 KB)
?? main.py(437 B)
?? models
?? network
?? operations
?? pyproject.py(7.23 KB)
?? req
?? resolution
?? self_outdated_check.py(6.62 KB)
?? utils
?? vcs
?? wheel_builder.py(9.3 KB)

Editing: locations.py

"""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

from __future__ import absolute_import

import os
import os.path
import platform
import site
import sys
import sysconfig
from distutils import sysconfig as distutils_sysconfig
from distutils.command.install import SCHEME_KEYS  # type: ignore
from distutils.command.install import install as distutils_install_command

from pip._internal.models.scheme import Scheme
from pip._internal.utils import appdirs
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.typing import MYPY_CHECK_RUNNING, cast
from pip._internal.utils.virtualenv import running_under_virtualenv

if MYPY_CHECK_RUNNING:
    from typing import Dict, List, Optional, Union

from distutils.cmd import Command as DistutilsCommand

# Application Directories
USER_CACHE_DIR = appdirs.user_cache_dir("pip")

def get_major_minor_version():
    # type: () -> 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 get_src_prefix():
    # type: () -> 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)

# FIXME doesn't account for venv linked to global site-packages

site_packages = sysconfig.get_path("purelib")  # type: Optional[str]

# This is because of a bug in PyPy's sysconfig module, see
# https://bitbucket.org/pypy/pypy/issues/2506/sysconfig-returns-incorrect-paths
# for more information.
if platform.python_implementation().lower() == "pypy":
    site_packages = distutils_sysconfig.get_python_lib()
try:
    # Use getusersitepackages if this is present, as it ensures that the
    # value is initialised properly.
    user_site = site.getusersitepackages()
except AttributeError:
    user_site = site.USER_SITE

if WINDOWS:
    bin_py = os.path.join(sys.prefix, 'Scripts')
    bin_user = os.path.join(user_site, 'Scripts')
    # buildout uses 'bin' on Windows too?
    if not os.path.exists(bin_py):
        bin_py = os.path.join(sys.prefix, 'bin')
        bin_user = os.path.join(user_site, 'bin')
else:
    bin_py = os.path.join(sys.prefix, 'bin')
    bin_user = os.path.join(user_site, 'bin')

# 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 sys.prefix[:16] == '/System/Library/':
        bin_py = '/usr/local/bin'

def distutils_scheme(
    dist_name, user=False, home=None, root=None, isolated=False, prefix=None
):
    # type:(str, bool, str, str, bool, str) -> Dict[str, str]
    """
    Return a distutils install scheme
    """
    from distutils.dist import Distribution

dist_args = {'name': dist_name}  # type: Dict[str, Union[str, List[str]]]
    if isolated:
        dist_args["script_args"] = ["--no-user-cfg"]

d = Distribution(dist_args)
    d.parse_config_files()
    obj = None  # type: Optional[DistutilsCommand]
    obj = d.get_command_obj('install', create=True)
    assert obj is not None
    i = cast(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), "user={} prefix={}".format(user, prefix)
    assert not (home and prefix), "home={} prefix={}".format(home, 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 = {}
    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(dict(purelib=i.install_lib, platlib=i.install_lib))

if running_under_virtualenv():
        scheme['headers'] = os.path.join(
            i.prefix,
            'include',
            'site',
            'python{}'.format(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,  # type: str
    user=False,  # type: bool
    home=None,  # type: Optional[str]
    root=None,  # type: Optional[str]
    isolated=False,  # type: bool
    prefix=None,  # type: Optional[str]
):
    # type: (...) -> 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"],
    )

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Editing: locations.py

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