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annotate mercurial/pycompat.py @ 29455:0c741fd6158a

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py3: conditionalize httplib import The httplib library is renamed to http.client in python 3. So the import is conditionalized and a test is added in check-code to warn to use util.httplib
author Pulkit Goyal <7895pulkit@gmail.com>
date Tue, 28 Jun 2016 16:01:53 +0530
parents 33770d2b6cf9
children 075146e85bb6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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6041fb8f2da8 pycompat: add empty and queue to handle py3 divergence
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1 # pycompat.py - portability shim for python 3
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5
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6 """Mercurial portability shim for python 3.
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7
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8 This contains aliases to hide python version-specific details from the core.
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9 """
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10
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11 from __future__ import absolute_import
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12
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13 try:
29324
b501579147f1 py3: conditionalize cPickle import by adding in util
Pulkit Goyal <7895pulkit@gmail.com>
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14 import cPickle as pickle
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15 pickle.dumps
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16 except ImportError:
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17 import pickle
29405
fbe380dc227a pyflakes: use pycompat.pickles to prevent error
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18 pickle.dumps # silence pyflakes
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19
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20 try:
29455
0c741fd6158a py3: conditionalize httplib import
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21 import httplib
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22 httplib.HTTPException
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23 except ImportError:
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24 import http.client as httplib
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25 httplib.HTTPException
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26
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27 try:
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33770d2b6cf9 py3: conditionalize SocketServer import
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28 import SocketServer as socketserver
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29 socketserver.ThreadingMixIn
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30 except ImportError:
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31 import socketserver
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32 socketserver.ThreadingMixIn
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33
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34 try:
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34b914ac573e py3: conditionalize xmlrpclib import
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35 import xmlrpclib
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36 xmlrpclib.Transport
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37 except ImportError:
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38 import xmlrpc.client as xmlrpclib
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39 xmlrpclib.Transport
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40
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41 try:
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80880ad3fccd py3: conditionalize the urlparse import
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42 import urlparse
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43 urlparse.urlparse
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44 except ImportError:
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45 import urllib.parse as urlparse
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46 urlparse.urlparse
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47
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48 try:
28835
68a946e83188 pycompat: add util.stringio to handle py3 divergence
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49 import cStringIO as io
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50 stringio = io.StringIO
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51 except ImportError:
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52 import io
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53 stringio = io.StringIO
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54
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55 try:
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56 import Queue as _queue
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672fc23bf9cc pycompat: fix demand import handling of Queue
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57 _queue.Queue
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58 except ImportError:
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59 import queue as _queue
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60 empty = _queue.Empty
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61 queue = _queue.Queue
28834
2fac032c1269 pycompat: alias xrange to range in py3
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62
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63 class _pycompatstub(object):
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64 pass
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65
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66 def _alias(alias, origin, items):
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67 """ populate a _pycompatstub
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68
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69 copies items from origin to alias
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70 """
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71 def hgcase(item):
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72 return item.replace('_', '').lower()
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73 for item in items:
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74 try:
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75 setattr(alias, hgcase(item), getattr(origin, item))
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76 except AttributeError:
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77 pass
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78
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79 urlreq = _pycompatstub()
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80 urlerr = _pycompatstub()
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81 try:
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82 import urllib2
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83 import urllib
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84 _alias(urlreq, urllib, (
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85 "addclosehook",
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86 "addinfourl",
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87 "ftpwrapper",
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88 "pathname2url",
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89 "quote",
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90 "splitattr",
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timeless <timeless@mozdev.org>
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91 "splitpasswd",
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timeless <timeless@mozdev.org>
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92 "splitport",
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93 "splituser",
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timeless <timeless@mozdev.org>
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94 "unquote",
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timeless <timeless@mozdev.org>
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95 "url2pathname",
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96 "urlencode",
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97 "urlencode",
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98 ))
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99 _alias(urlreq, urllib2, (
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100 "AbstractHTTPHandler",
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timeless <timeless@mozdev.org>
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101 "BaseHandler",
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timeless <timeless@mozdev.org>
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102 "build_opener",
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timeless <timeless@mozdev.org>
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103 "FileHandler",
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timeless <timeless@mozdev.org>
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104 "FTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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105 "HTTPBasicAuthHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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106 "HTTPDigestAuthHandler",
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timeless <timeless@mozdev.org>
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107 "HTTPHandler",
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timeless <timeless@mozdev.org>
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108 "HTTPPasswordMgrWithDefaultRealm",
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timeless <timeless@mozdev.org>
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109 "HTTPSHandler",
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timeless <timeless@mozdev.org>
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110 "install_opener",
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timeless <timeless@mozdev.org>
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111 "ProxyHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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112 "Request",
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timeless <timeless@mozdev.org>
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113 "urlopen",
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timeless <timeless@mozdev.org>
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114 ))
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115 _alias(urlerr, urllib2, (
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116 "HTTPError",
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timeless <timeless@mozdev.org>
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117 "URLError",
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timeless <timeless@mozdev.org>
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118 ))
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timeless <timeless@mozdev.org>
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119
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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120 except ImportError:
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timeless <timeless@mozdev.org>
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121 import urllib.request
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timeless <timeless@mozdev.org>
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122 _alias(urlreq, urllib.request, (
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timeless <timeless@mozdev.org>
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123 "AbstractHTTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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124 "addclosehook",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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125 "addinfourl",
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timeless <timeless@mozdev.org>
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126 "BaseHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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127 "build_opener",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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128 "FileHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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129 "FTPHandler",
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timeless <timeless@mozdev.org>
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130 "ftpwrapper",
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timeless <timeless@mozdev.org>
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131 "HTTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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132 "HTTPSHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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133 "install_opener",
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timeless <timeless@mozdev.org>
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134 "pathname2url",
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timeless <timeless@mozdev.org>
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135 "HTTPBasicAuthHandler",
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timeless <timeless@mozdev.org>
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136 "HTTPDigestAuthHandler",
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2646fbba4ca7 pycompat: add HTTPPasswordMgrWithDefaultRealm to Python 3 block
Gregory Szorc <gregory.szorc@gmail.com>
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137 "HTTPPasswordMgrWithDefaultRealm",
28882
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timeless <timeless@mozdev.org>
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138 "ProxyHandler",
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timeless <timeless@mozdev.org>
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139 "quote",
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timeless <timeless@mozdev.org>
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140 "Request",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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141 "splitattr",
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timeless <timeless@mozdev.org>
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142 "splitpasswd",
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timeless <timeless@mozdev.org>
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143 "splitport",
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timeless <timeless@mozdev.org>
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144 "splituser",
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timeless <timeless@mozdev.org>
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145 "unquote",
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timeless <timeless@mozdev.org>
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146 "url2pathname",
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timeless <timeless@mozdev.org>
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147 "urlopen",
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timeless <timeless@mozdev.org>
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148 ))
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timeless <timeless@mozdev.org>
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149 import urllib.error
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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150 _alias(urlerr, urllib.error, (
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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151 "HTTPError",
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timeless <timeless@mozdev.org>
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152 "URLError",
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timeless <timeless@mozdev.org>
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153 ))
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timeless <timeless@mozdev.org>
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154
28834
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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155 try:
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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156 xrange
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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157 except NameError:
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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158 import builtins
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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159 builtins.xrange = range