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author | 2022-11-13 23:46:45 +0530 | |
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committer | 2022-11-13 23:46:45 +0530 | |
commit | 9468226a9e2e2ab8cdd599f1d8538e860ca86120 (patch) | |
tree | 0a77ada226d6db80639f96b438bf83e4e756edb5 /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')
-rw-r--r-- | env/lib/python3.10/site-packages/pip/_internal/utils/compat.py | 63 |
1 files changed, 63 insertions, 0 deletions
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 new file mode 100644 index 0000000..3f4d300 --- /dev/null +++ b/env/lib/python3.10/site-packages/pip/_internal/utils/compat.py @@ -0,0 +1,63 @@ +"""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") |