annotate mercurial/pycompat.py @ 29566:075146e85bb6

py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import The BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer has been merged into http.server in python 3. All of them has been merged as util.httpserver to use in both python 2 and 3. This patch adds a regex to check-code to warn against the use of BaseHTTPServer. Moreover this patch also includes updates to lower part of test-check-py3-compat.t which used to remain unchanged.
author Pulkit Goyal <7895pulkit@gmail.com>
date Wed, 13 Jul 2016 23:38:29 +0530
parents 0c741fd6158a
children 06587edd1233
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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:
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b501579147f1 py3: conditionalize cPickle import by adding in util
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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
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18 pickle.dumps # silence pyflakes
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19
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20 try:
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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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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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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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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:
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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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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
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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 httpserver = _pycompatstub()
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80 urlreq = _pycompatstub()
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81 urlerr = _pycompatstub()
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82 try:
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83 import BaseHTTPServer
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84 import CGIHTTPServer
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85 import SimpleHTTPServer
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86 import urllib2
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87 import urllib
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88 _alias(urlreq, urllib, (
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89 "addclosehook",
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90 "addinfourl",
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91 "ftpwrapper",
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92 "pathname2url",
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93 "quote",
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94 "splitattr",
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95 "splitpasswd",
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96 "splitport",
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97 "splituser",
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98 "unquote",
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99 "url2pathname",
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100 "urlencode",
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101 "urlencode",
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102 ))
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103 _alias(urlreq, urllib2, (
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104 "AbstractHTTPHandler",
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105 "BaseHandler",
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106 "build_opener",
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107 "FileHandler",
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108 "FTPHandler",
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109 "HTTPBasicAuthHandler",
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110 "HTTPDigestAuthHandler",
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111 "HTTPHandler",
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112 "HTTPPasswordMgrWithDefaultRealm",
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113 "HTTPSHandler",
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114 "install_opener",
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115 "ProxyHandler",
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116 "Request",
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117 "urlopen",
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118 ))
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119 _alias(urlerr, urllib2, (
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120 "HTTPError",
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121 "URLError",
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122 ))
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123 _alias(httpserver, BaseHTTPServer, (
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124 "HTTPServer",
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125 "BaseHTTPRequestHandler",
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126 ))
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127 _alias(httpserver, SimpleHTTPServer, (
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128 "SimpleHTTPRequestHandler",
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129 ))
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130 _alias(httpserver, CGIHTTPServer, (
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131 "CGIHTTPRequestHandler",
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132 ))
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133
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134 except ImportError:
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135 import urllib.request
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136 _alias(urlreq, urllib.request, (
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137 "AbstractHTTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
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138 "addclosehook",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
139 "addinfourl",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
140 "BaseHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
141 "build_opener",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
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142 "FileHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
143 "FTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
144 "ftpwrapper",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
145 "HTTPHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
146 "HTTPSHandler",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
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147 "install_opener",
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timeless <timeless@mozdev.org>
parents: 28835
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148 "pathname2url",
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timeless <timeless@mozdev.org>
parents: 28835
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149 "HTTPBasicAuthHandler",
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timeless <timeless@mozdev.org>
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150 "HTTPDigestAuthHandler",
29414
2646fbba4ca7 pycompat: add HTTPPasswordMgrWithDefaultRealm to Python 3 block
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29405
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151 "HTTPPasswordMgrWithDefaultRealm",
28882
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timeless <timeless@mozdev.org>
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152 "ProxyHandler",
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timeless <timeless@mozdev.org>
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153 "quote",
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timeless <timeless@mozdev.org>
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154 "Request",
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timeless <timeless@mozdev.org>
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155 "splitattr",
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timeless <timeless@mozdev.org>
parents: 28835
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156 "splitpasswd",
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timeless <timeless@mozdev.org>
parents: 28835
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157 "splitport",
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timeless <timeless@mozdev.org>
parents: 28835
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158 "splituser",
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timeless <timeless@mozdev.org>
parents: 28835
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159 "unquote",
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timeless <timeless@mozdev.org>
parents: 28835
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160 "url2pathname",
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timeless <timeless@mozdev.org>
parents: 28835
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161 "urlopen",
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timeless <timeless@mozdev.org>
parents: 28835
diff changeset
162 ))
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
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163 import urllib.error
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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164 _alias(urlerr, urllib.error, (
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
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165 "HTTPError",
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timeless <timeless@mozdev.org>
parents: 28835
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166 "URLError",
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
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167 ))
29566
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
diff changeset
168 import http.server
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
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169 _alias(httpserver, http.server, (
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
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170 "HTTPServer",
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
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171 "BaseHTTPRequestHandler",
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
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172 "SimpleHTTPRequestHandler",
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
diff changeset
173 "CGIHTTPRequestHandler",
075146e85bb6 py3: conditionalize BaseHTTPServer, SimpleHTTPServer and CGIHTTPServer import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 29455
diff changeset
174 ))
28882
800ec7c048b0 pycompat: add util.urlerr util.urlreq classes for py3 compat
timeless <timeless@mozdev.org>
parents: 28835
diff changeset
175
28834
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
parents: 28833
diff changeset
176 try:
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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177 xrange
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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178 except NameError:
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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179 import builtins
2fac032c1269 pycompat: alias xrange to range in py3
timeless <timeless@mozdev.org>
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180 builtins.xrange = range