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53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
2 years ago
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import functools
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import os
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import site
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import sys
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import sysconfig
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import typing
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from pip._internal.utils import appdirs
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from pip._internal.utils.virtualenv import running_under_virtualenv
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# Application Directories
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USER_CACHE_DIR = appdirs.user_cache_dir("pip")
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# FIXME doesn't account for venv linked to global site-packages
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site_packages: typing.Optional[str] = sysconfig.get_path("purelib")
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def get_major_minor_version() -> str:
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"""
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Return the major-minor version of the current Python as a string, e.g.
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"3.7" or "3.10".
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"""
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return "{}.{}".format(*sys.version_info)
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def get_src_prefix() -> str:
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if running_under_virtualenv():
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src_prefix = os.path.join(sys.prefix, "src")
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else:
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# FIXME: keep src in cwd for now (it is not a temporary folder)
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try:
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src_prefix = os.path.join(os.getcwd(), "src")
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except OSError:
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# In case the current working directory has been renamed or deleted
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sys.exit("The folder you are executing pip from can no longer be found.")
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# under macOS + virtualenv sys.prefix is not properly resolved
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# it is something like /path/to/python/bin/..
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return os.path.abspath(src_prefix)
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try:
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# Use getusersitepackages if this is present, as it ensures that the
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# value is initialised properly.
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user_site: typing.Optional[str] = site.getusersitepackages()
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except AttributeError:
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user_site = site.USER_SITE
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@functools.lru_cache(maxsize=None)
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def is_osx_framework() -> bool:
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return bool(sysconfig.get_config_var("PYTHONFRAMEWORK"))
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