/usr/lib/python2.7/dist-packages/ldap/compat.py is in python-ldap 3.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | """Compatibility wrappers for Py2/Py3."""
import sys
import os
if sys.version_info[0] < 3:
from UserDict import UserDict, IterableUserDict
from urllib import quote
from urllib import quote_plus
from urllib import unquote as urllib_unquote
from urllib import urlopen
from urlparse import urlparse
def unquote(uri):
"""Specialized unquote that uses UTF-8 for parsing."""
uri = uri.encode('ascii')
unquoted = urllib_unquote(uri)
return unquoted.decode('utf-8')
# Old-style of re-raising an exception is SyntaxError in Python 3,
# so hide behind exec() so the Python 3 parser doesn't see it
exec('''def reraise(exc_type, exc_value, exc_traceback):
"""Re-raise an exception given information from sys.exc_info()
Note that unlike six.reraise, this does not support replacing the
traceback. All arguments must come from a single sys.exc_info() call.
"""
raise exc_type, exc_value, exc_traceback
''')
else:
from collections import UserDict
IterableUserDict = UserDict
from urllib.parse import quote, quote_plus, unquote, urlparse
from urllib.request import urlopen
def reraise(exc_type, exc_value, exc_traceback):
"""Re-raise an exception given information from sys.exc_info()
Note that unlike six.reraise, this does not support replacing the
traceback. All arguments must come from a single sys.exc_info() call.
"""
# In Python 3, all exception info is contained in one object.
raise exc_value
try:
from shutil import which
except ImportError:
# shutil.which() from Python 3.6
# "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012, 2013, 2014, 2015, 2016, 2017 Python Software Foundation;
# All Rights Reserved"
def which(cmd, mode=os.F_OK | os.X_OK, path=None):
"""Given a command, mode, and a PATH string, return the path which
conforms to the given mode on the PATH, or None if there is no such
file.
`mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result
of os.environ.get("PATH"), or can be overridden with a custom search
path.
"""
# Check that a given file can be accessed with the correct mode.
# Additionally check that `file` is not a directory, as on Windows
# directories pass the os.access check.
def _access_check(fn, mode):
return (os.path.exists(fn) and os.access(fn, mode)
and not os.path.isdir(fn))
# If we're given a path with a directory part, look it up directly rather
# than referring to PATH directories. This includes checking relative to the
# current directory, e.g. ./script
if os.path.dirname(cmd):
if _access_check(cmd, mode):
return cmd
return None
if path is None:
path = os.environ.get("PATH", os.defpath)
if not path:
return None
path = path.split(os.pathsep)
if sys.platform == "win32":
# The current directory takes precedence on Windows.
if not os.curdir in path:
path.insert(0, os.curdir)
# PATHEXT is necessary to check on Windows.
pathext = os.environ.get("PATHEXT", "").split(os.pathsep)
# See if the given file matches any of the expected path extensions.
# This will allow us to short circuit when given "python.exe".
# If it does match, only test that one, otherwise we have to try
# others.
if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
files = [cmd]
else:
files = [cmd + ext for ext in pathext]
else:
# On other platforms you don't have things like PATHEXT to tell you
# what file suffixes are executable, so just pass on cmd as-is.
files = [cmd]
seen = set()
for dir in path:
normdir = os.path.normcase(dir)
if not normdir in seen:
seen.add(normdir)
for thefile in files:
name = os.path.join(dir, thefile)
if _access_check(name, mode):
return name
return None
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