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52 lines
1.5 KiB
52 lines
1.5 KiB
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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