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authorLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-11-13 23:46:45 +0530
committerLibravatarLibravatar Biswakalyan Bhuyan <biswa@surgot.in> 2022-11-13 23:46:45 +0530
commit9468226a9e2e2ab8cdd599f1d8538e860ca86120 (patch)
tree0a77ada226d6db80639f96b438bf83e4e756edb5 /env/lib/python3.10/site-packages/pip/_internal/utils/compat.py
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Diffstat (limited to 'env/lib/python3.10/site-packages/pip/_internal/utils/compat.py')
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diff --git a/env/lib/python3.10/site-packages/pip/_internal/utils/compat.py b/env/lib/python3.10/site-packages/pip/_internal/utils/compat.py
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+++ b/env/lib/python3.10/site-packages/pip/_internal/utils/compat.py
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+"""Stuff that differs in different Python versions and platform
+distributions."""
+
+import logging
+import os
+import sys
+
+__all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"]
+
+
+logger = logging.getLogger(__name__)
+
+
+def has_tls() -> bool:
+ try:
+ import _ssl # noqa: F401 # ignore unused
+
+ return True
+ except ImportError:
+ pass
+
+ from pip._vendor.urllib3.util import IS_PYOPENSSL
+
+ return IS_PYOPENSSL
+
+
+def get_path_uid(path: str) -> int:
+ """
+ Return path's uid.
+
+ Does not follow symlinks:
+ https://github.com/pypa/pip/pull/935#discussion_r5307003
+
+ Placed this function in compat due to differences on AIX and
+ Jython, that should eventually go away.
+
+ :raises OSError: When path is a symlink or can't be read.
+ """
+ if hasattr(os, "O_NOFOLLOW"):
+ fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
+ file_uid = os.fstat(fd).st_uid
+ os.close(fd)
+ else: # AIX and Jython
+ # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
+ if not os.path.islink(path):
+ # older versions of Jython don't have `os.fstat`
+ file_uid = os.stat(path).st_uid
+ else:
+ # raise OSError for parity with os.O_NOFOLLOW above
+ raise OSError(f"{path} is a symlink; Will not return uid for symlinks")
+ return file_uid
+
+
+# packages in the stdlib that may have installation metadata, but should not be
+# considered 'installed'. this theoretically could be determined based on
+# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
+# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
+# make this ineffective, so hard-coding
+stdlib_pkgs = {"python", "wsgiref", "argparse"}
+
+
+# windows detection, covers cpython and ironpython
+WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt")