Current File : //opt/alt/python39/lib/python3.9/site-packages/pip/_internal/locations/base.py
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"))
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