Tipragot
628be439b8
Cela permet de ne pas avoir de problèmes de compatibilité car python est dans le git.
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
"""Stuff that differs in different Python versions and platform
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distributions."""
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import logging
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import os
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import sys
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__all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"]
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logger = logging.getLogger(__name__)
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def has_tls() -> bool:
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try:
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import _ssl # noqa: F401 # ignore unused
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return True
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except ImportError:
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pass
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from pip._vendor.urllib3.util import IS_PYOPENSSL
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return IS_PYOPENSSL
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def get_path_uid(path: str) -> int:
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"""
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Return path's uid.
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Does not follow symlinks:
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https://github.com/pypa/pip/pull/935#discussion_r5307003
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Placed this function in compat due to differences on AIX and
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Jython, that should eventually go away.
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:raises OSError: When path is a symlink or can't be read.
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"""
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if hasattr(os, "O_NOFOLLOW"):
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fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
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file_uid = os.fstat(fd).st_uid
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os.close(fd)
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else: # AIX and Jython
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# WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
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if not os.path.islink(path):
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# older versions of Jython don't have `os.fstat`
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file_uid = os.stat(path).st_uid
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else:
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# raise OSError for parity with os.O_NOFOLLOW above
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raise OSError(f"{path} is a symlink; Will not return uid for symlinks")
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return file_uid
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# packages in the stdlib that may have installation metadata, but should not be
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# considered 'installed'. this theoretically could be determined based on
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# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
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# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
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# make this ineffective, so hard-coding
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stdlib_pkgs = {"python", "wsgiref", "argparse"}
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# windows detection, covers cpython and ironpython
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WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt")
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