You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.5 KiB
52 lines
1.5 KiB
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"))
|
|
|