import functools import os import site import sys import sysconfig import typing 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: typing.Optional[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 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"))