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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 # mypy: disallow-untyped-defs=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 pip._internal.utils import appdirs from pip._internal.utils.compat import WINDOWS from pip._internal.utils.typing import MYPY_CHECK_RUNNING from pip._internal.utils.virtualenv import running_under_virtualenv if MYPY_CHECK_RUNNING: from typing import Any, Union, Dict, List, Optional # 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(): 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 """ Return a distutils install scheme """ from distutils.dist import Distribution scheme = {} if isolated: extra_dist_args = {"script_args": ["--no-user-cfg"]} else: extra_dist_args = {} dist_args = {'name': dist_name} # type: Dict[str, Union[str, List[str]]] dist_args.update(extra_dist_args) d = Distribution(dist_args) # Ignoring, typeshed issue reported python/typeshed/issues/2567 d.parse_config_files() # NOTE: Ignoring type since mypy can't find attributes on 'Command' i = d.get_command_obj('install', create=True) # type: Any assert i is not None # 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() 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 # Ignoring, typeshed issue reported python/typeshed/issues/2567 if 'install_lib' in d.get_option_dict('install'): # type: ignore scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib)) if running_under_virtualenv(): scheme['headers'] = os.path.join( sys.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
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