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 ifnot 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")
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