/usr/lib/python2.7/dist-packages/Bcfg2/Compat.py is in bcfg2 1.3.3-1ubuntu3.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | """ Compatibility imports, mostly for Py3k support, but also for
Python 2.4 and such-like """
###################################################
# #
# IF YOU ADD SOMETHING TO THIS FILE, YOU MUST #
# DOCUMENT IT IN docs/development/compat.txt #
# #
###################################################
import sys
# pylint: disable=E0601,E0602,E0611,W0611,W0622,C0103
try:
from email.Utils import formatdate
except ImportError:
from email.utils import formatdate
# urllib imports
try:
from urllib import quote_plus
from urlparse import urljoin, urlparse
from urllib2 import HTTPBasicAuthHandler, \
HTTPPasswordMgrWithDefaultRealm, build_opener, install_opener, \
urlopen, HTTPError, URLError
except ImportError:
from urllib.parse import urljoin, urlparse, quote_plus
from urllib.request import HTTPBasicAuthHandler, \
HTTPPasswordMgrWithDefaultRealm, build_opener, install_opener, urlopen
from urllib.error import HTTPError, URLError
try:
from cStringIO import StringIO
except ImportError:
from io import StringIO
try:
import ConfigParser
except ImportError:
import configparser as ConfigParser
try:
import cPickle
except ImportError:
import pickle as cPickle
try:
from Queue import Queue, Empty, Full
except ImportError:
from queue import Queue, Empty, Full
# xmlrpc imports
try:
import xmlrpclib
import SimpleXMLRPCServer
except ImportError:
import xmlrpc.client as xmlrpclib
import xmlrpc.server as SimpleXMLRPCServer
# socketserver import
try:
import SocketServer
except ImportError:
import socketserver as SocketServer
# httplib imports
try:
import httplib
except ImportError:
import http.client as httplib
try:
unicode = unicode
except NameError:
unicode = str
def u_str(string, encoding=None):
""" print to file compatibility """
if sys.hexversion >= 0x03000000:
return string
else:
if encoding is not None:
return unicode(string, encoding)
else:
return unicode(string)
try:
from functools import wraps
except ImportError:
def wraps(wrapped): # pylint: disable=W0613
""" implementation of functools.wraps() for python 2.4 """
return lambda f: f
# base64 compat
if sys.hexversion >= 0x03000000:
from base64 import b64encode as _b64encode, b64decode as _b64decode
@wraps(_b64encode)
def b64encode(val, **kwargs): # pylint: disable=C0111
try:
return _b64encode(val, **kwargs)
except TypeError:
return _b64encode(val.encode('UTF-8'), **kwargs).decode('UTF-8')
@wraps(_b64decode)
def b64decode(val, **kwargs): # pylint: disable=C0111
return _b64decode(val.encode('UTF-8'), **kwargs).decode('UTF-8')
else:
from base64 import b64encode, b64decode
try:
input = raw_input
except NameError:
input = input
try:
reduce = reduce
except NameError:
from functools import reduce
try:
from collections import MutableMapping
except ImportError:
from UserDict import DictMixin as MutableMapping
class CmpMixin(object):
""" In Py3K, :meth:`object.__cmp__` is no longer magical, so this
mixin can be used to define the rich comparison operators from
``__cmp__`` -- i.e., it makes ``__cmp__`` magical again. """
def __lt__(self, other):
return self.__cmp__(other) < 0
def __gt__(self, other):
return self.__cmp__(other) > 0
def __eq__(self, other):
return self.__cmp__(other) == 0
def __ne__(self, other):
return not self.__eq__(other)
def __ge__(self, other):
return self.__gt__(other) or self.__eq__(other)
def __le__(self, other):
return self.__lt__(other) or self.__eq__(other)
try:
from pkgutil import walk_packages
except ImportError:
try:
from pkgutil import iter_modules
# iter_modules was added in python 2.5; use it to get an exact
# re-implementation of walk_packages if possible
def walk_packages(path=None, prefix='', onerror=None):
""" Implementation of walk_packages for python 2.5 """
def seen(path, seenpaths={}): # pylint: disable=W0102
""" detect if a path has been 'seen' (i.e., considered
for inclusion in the generator). tracks what has been
seen through the magic of python default arguments """
if path in seenpaths:
return True
seenpaths[path] = True
for importer, name, ispkg in iter_modules(path, prefix):
yield importer, name, ispkg
if ispkg:
try:
__import__(name)
except ImportError:
if onerror is not None:
onerror(name)
except Exception:
if onerror is not None:
onerror(name)
else:
raise
else:
path = getattr(sys.modules[name], '__path__', [])
# don't traverse path items we've seen before
path = [p for p in path if not seen(p)]
for item in walk_packages(path, name + '.', onerror):
yield item
except ImportError:
import os
def walk_packages(path=None, prefix='', onerror=None):
""" Imperfect, incomplete implementation of
:func:`pkgutil.walk_packages` for python 2.4. Differences:
* Requires a full path, not a path relative to something
in sys.path. Anywhere we care about that shouldn't be
an issue.
* The first element of each tuple is None instead of an
importer object.
"""
if path is None:
path = sys.path
for mpath in path:
for fname in os.listdir(mpath):
fpath = os.path.join(mpath, fname)
if (os.path.isfile(fpath) and fname.endswith(".py") and
fname != '__init__.py'):
yield None, prefix + fname[:-3], False
elif os.path.isdir(fpath):
mname = prefix + fname
if os.path.exists(os.path.join(fpath, "__init__.py")):
yield None, mname, True
try:
__import__(mname)
except ImportError:
if onerror is not None:
onerror(mname)
except Exception:
if onerror is not None:
onerror(mname)
else:
raise
else:
for item in walk_packages([fpath],
prefix=mname + '.',
onerror=onerror):
yield item
try:
all = all
any = any
except NameError:
def all(iterable):
""" implementation of builtin all() for python 2.4 """
for element in iterable:
if not element:
return False
return True
def any(iterable):
""" implementation of builtin any() for python 2.4 """
for element in iterable:
if element:
return True
return False
try:
from hashlib import md5
except ImportError:
from md5 import md5
def oct_mode(mode):
""" Convert a decimal number describing a POSIX permissions mode
to a string giving the octal mode. In Python 2, this is a synonym
for :func:`oct`, but in Python 3 the octal format has changed to
``0o000``, which cannot be used as an octal permissions mode, so
we need to strip the 'o' from the output. I.e., this function
acts like the Python 2 :func:`oct` regardless of what version of
Python is in use.
:param mode: The decimal mode to convert to octal
:type mode: int
:returns: string """
return oct(mode).replace('o', '')
try:
long = long
except NameError:
# longs are just ints in py3k
long = int
try:
cmp = cmp
except NameError:
def cmp(a, b):
""" Py3k implementation of cmp() """
return (a > b) - (a < b)
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