mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-29 06:32:40 -06:00
104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
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"""Stuff that differs in different Python versions and platform
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distributions."""
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from __future__ import absolute_import, division
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import os
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import imp
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import sys
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from pip._vendor.six import text_type
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try:
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from logging.config import dictConfig as logging_dictConfig
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except ImportError:
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from pip.compat.dictconfig import dictConfig as logging_dictConfig
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try:
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import ipaddress
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except ImportError:
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from pip._vendor import ipaddress
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__all__ = [
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"logging_dictConfig", "ipaddress", "uses_pycache", "console_to_str",
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"native_str", "get_path_uid", "stdlib_pkgs", "WINDOWS",
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]
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uses_pycache = hasattr(imp, 'cache_from_source')
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if sys.version_info >= (3,):
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def console_to_str(s):
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try:
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return s.decode(sys.__stdout__.encoding)
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except UnicodeDecodeError:
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return s.decode('utf_8')
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def native_str(s, replace=False):
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if isinstance(s, bytes):
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return s.decode('utf-8', 'replace' if replace else 'strict')
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return s
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else:
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def console_to_str(s):
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return s
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def native_str(s, replace=False):
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# Replace is ignored -- unicode to UTF-8 can't fail
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if isinstance(s, text_type):
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return s.encode('utf-8')
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return s
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def total_seconds(td):
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if hasattr(td, "total_seconds"):
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return td.total_seconds()
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else:
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val = td.microseconds + (td.seconds + td.days * 24 * 3600) * 10 ** 6
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return val / 10 ** 6
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def get_path_uid(path):
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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 vulnerabity, 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(
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"%s is a symlink; Will not return uid for symlinks" % path
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)
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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']
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if sys.version_info >= (2, 7):
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stdlib_pkgs.extend(['argparse'])
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# windows detection, covers cpython and ironpython
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WINDOWS = (sys.platform.startswith("win") or
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(sys.platform == 'cli' and os.name == 'nt'))
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