Mercurial > hg
annotate mercurial/keepalive.py @ 29268:f200b58497f1
sslutil: reference appropriate config section in messaging
Error messages reference the config section defining the host
fingerprint. Now that we have multiple sections where this config
setting could live, we need to point the user at the appropriate
one.
We default to the new "hostsecurity" section. But we will still
refer them to the "hostfingerprint" section if a value is defined
there.
There are some corner cases where the messaging might be off. e.g.
they could define a SHA-1 fingerprint in both sections. IMO the
messaging needs a massive overhaul. I plan to do this as part
of future refactoring to security settings.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 28 May 2016 12:58:46 -0700 |
parents | 032c4c2f802a |
children | 0d83ad967bf8 |
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1 # This library is free software; you can redistribute it and/or |
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2 # modify it under the terms of the GNU Lesser General Public |
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3 # License as published by the Free Software Foundation; either |
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4 # version 2.1 of the License, or (at your option) any later version. |
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5 # |
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6 # This library is distributed in the hope that it will be useful, |
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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9 # Lesser General Public License for more details. |
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10 # |
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11 # You should have received a copy of the GNU Lesser General Public |
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12 # License along with this library; if not, see |
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13 # <http://www.gnu.org/licenses/>. |
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14 |
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15 # This file is part of urlgrabber, a high-level cross-protocol url-grabber |
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16 # Copyright 2002-2004 Michael D. Stenner, Ryan Tomayko |
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17 |
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18 # Modified by Benoit Boissinot: |
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19 # - fix for digest auth (inspired from urllib2.py @ Python v2.4) |
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20 # Modified by Dirkjan Ochtman: |
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21 # - import md5 function from a local util module |
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22 # Modified by Augie Fackler: |
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23 # - add safesend method and use it to prevent broken pipe errors |
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24 # on large POST requests |
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25 |
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26 """An HTTP handler for urllib2 that supports HTTP 1.1 and keepalive. |
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27 |
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28 >>> import urllib2 |
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29 >>> from keepalive import HTTPHandler |
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30 >>> keepalive_handler = HTTPHandler() |
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31 >>> opener = urlreq.buildopener(keepalive_handler) |
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32 >>> urlreq.installopener(opener) |
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33 >>> |
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34 >>> fo = urlreq.urlopen('http://www.python.org') |
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35 |
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36 If a connection to a given host is requested, and all of the existing |
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37 connections are still in use, another connection will be opened. If |
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38 the handler tries to use an existing connection but it fails in some |
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39 way, it will be closed and removed from the pool. |
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40 |
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41 To remove the handler, simply re-run build_opener with no arguments, and |
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42 install that opener. |
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43 |
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44 You can explicitly close connections by using the close_connection() |
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45 method of the returned file-like object (described below) or you can |
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46 use the handler methods: |
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47 |
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48 close_connection(host) |
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49 close_all() |
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50 open_connections() |
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51 |
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52 NOTE: using the close_connection and close_all methods of the handler |
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53 should be done with care when using multiple threads. |
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54 * there is nothing that prevents another thread from creating new |
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55 connections immediately after connections are closed |
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56 * no checks are done to prevent in-use connections from being closed |
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57 |
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58 >>> keepalive_handler.close_all() |
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59 |
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60 EXTRA ATTRIBUTES AND METHODS |
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61 |
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62 Upon a status of 200, the object returned has a few additional |
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63 attributes and methods, which should not be used if you want to |
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64 remain consistent with the normal urllib2-returned objects: |
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65 |
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66 close_connection() - close the connection to the host |
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67 readlines() - you know, readlines() |
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68 status - the return status (i.e. 404) |
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69 reason - english translation of status (i.e. 'File not found') |
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70 |
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71 If you want the best of both worlds, use this inside an |
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72 AttributeError-catching try: |
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73 |
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74 >>> try: status = fo.status |
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75 >>> except AttributeError: status = None |
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76 |
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77 Unfortunately, these are ONLY there if status == 200, so it's not |
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78 easy to distinguish between non-200 responses. The reason is that |
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79 urllib2 tries to do clever things with error codes 301, 302, 401, |
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80 and 407, and it wraps the object upon return. |
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81 |
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82 For python versions earlier than 2.4, you can avoid this fancy error |
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83 handling by setting the module-level global HANDLE_ERRORS to zero. |
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84 You see, prior to 2.4, it's the HTTP Handler's job to determine what |
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85 to handle specially, and what to just pass up. HANDLE_ERRORS == 0 |
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86 means "pass everything up". In python 2.4, however, this job no |
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87 longer belongs to the HTTP Handler and is now done by a NEW handler, |
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88 HTTPErrorProcessor. Here's the bottom line: |
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89 |
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90 python version < 2.4 |
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91 HANDLE_ERRORS == 1 (default) pass up 200, treat the rest as |
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92 errors |
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93 HANDLE_ERRORS == 0 pass everything up, error processing is |
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94 left to the calling code |
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95 python version >= 2.4 |
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96 HANDLE_ERRORS == 1 pass up 200, treat the rest as errors |
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97 HANDLE_ERRORS == 0 (default) pass everything up, let the |
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98 other handlers (specifically, |
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99 HTTPErrorProcessor) decide what to do |
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100 |
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101 In practice, setting the variable either way makes little difference |
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102 in python 2.4, so for the most consistent behavior across versions, |
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103 you probably just want to use the defaults, which will give you |
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104 exceptions on errors. |
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105 |
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106 """ |
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107 |
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108 # $Id: keepalive.py,v 1.14 2006/04/04 21:00:32 mstenner Exp $ |
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109 |
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110 from __future__ import absolute_import, print_function |
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111 |
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112 import errno |
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113 import httplib |
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114 import socket |
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115 import sys |
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116 import thread |
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117 |
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118 from . import ( |
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119 util, |
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120 ) |
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121 |
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122 urlerr = util.urlerr |
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123 urlreq = util.urlreq |
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124 |
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125 DEBUG = None |
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126 |
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127 if sys.version_info < (2, 4): |
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128 HANDLE_ERRORS = 1 |
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129 else: HANDLE_ERRORS = 0 |
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130 |
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131 class ConnectionManager(object): |
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132 """ |
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133 The connection manager must be able to: |
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134 * keep track of all existing |
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135 """ |
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136 def __init__(self): |
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137 self._lock = thread.allocate_lock() |
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138 self._hostmap = {} # map hosts to a list of connections |
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139 self._connmap = {} # map connections to host |
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140 self._readymap = {} # map connection to ready state |
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141 |
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142 def add(self, host, connection, ready): |
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143 self._lock.acquire() |
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144 try: |
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145 if host not in self._hostmap: |
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146 self._hostmap[host] = [] |
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147 self._hostmap[host].append(connection) |
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148 self._connmap[connection] = host |
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149 self._readymap[connection] = ready |
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150 finally: |
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151 self._lock.release() |
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152 |
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153 def remove(self, connection): |
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154 self._lock.acquire() |
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155 try: |
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156 try: |
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157 host = self._connmap[connection] |
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158 except KeyError: |
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159 pass |
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160 else: |
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161 del self._connmap[connection] |
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162 del self._readymap[connection] |
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163 self._hostmap[host].remove(connection) |
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164 if not self._hostmap[host]: del self._hostmap[host] |
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165 finally: |
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166 self._lock.release() |
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167 |
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168 def set_ready(self, connection, ready): |
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169 try: |
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170 self._readymap[connection] = ready |
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171 except KeyError: |
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172 pass |
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173 |
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174 def get_ready_conn(self, host): |
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175 conn = None |
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176 self._lock.acquire() |
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177 try: |
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178 if host in self._hostmap: |
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179 for c in self._hostmap[host]: |
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180 if self._readymap[c]: |
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181 self._readymap[c] = 0 |
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182 conn = c |
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183 break |
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184 finally: |
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185 self._lock.release() |
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186 return conn |
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187 |
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188 def get_all(self, host=None): |
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189 if host: |
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190 return list(self._hostmap.get(host, [])) |
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191 else: |
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192 return dict(self._hostmap) |
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193 |
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194 class KeepAliveHandler(object): |
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195 def __init__(self): |
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196 self._cm = ConnectionManager() |
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197 |
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198 #### Connection Management |
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199 def open_connections(self): |
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200 """return a list of connected hosts and the number of connections |
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201 to each. [('foo.com:80', 2), ('bar.org', 1)]""" |
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202 return [(host, len(li)) for (host, li) in self._cm.get_all().items()] |
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203 |
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204 def close_connection(self, host): |
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205 """close connection(s) to <host> |
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206 host is the host:port spec, as in 'www.cnn.com:8080' as passed in. |
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207 no error occurs if there is no connection to that host.""" |
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208 for h in self._cm.get_all(host): |
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209 self._cm.remove(h) |
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210 h.close() |
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211 |
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212 def close_all(self): |
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213 """close all open connections""" |
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214 for host, conns in self._cm.get_all().iteritems(): |
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215 for h in conns: |
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216 self._cm.remove(h) |
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217 h.close() |
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218 |
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219 def _request_closed(self, request, host, connection): |
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220 """tells us that this request is now closed and that the |
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221 connection is ready for another request""" |
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222 self._cm.set_ready(connection, 1) |
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223 |
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224 def _remove_connection(self, host, connection, close=0): |
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225 if close: |
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226 connection.close() |
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227 self._cm.remove(connection) |
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228 |
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229 #### Transaction Execution |
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230 def http_open(self, req): |
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231 return self.do_open(HTTPConnection, req) |
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232 |
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233 def do_open(self, http_class, req): |
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234 host = req.get_host() |
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235 if not host: |
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236 raise urlerr.urlerror('no host given') |
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237 |
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238 try: |
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239 h = self._cm.get_ready_conn(host) |
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240 while h: |
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241 r = self._reuse_connection(h, req, host) |
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242 |
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243 # if this response is non-None, then it worked and we're |
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244 # done. Break out, skipping the else block. |
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245 if r: |
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246 break |
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247 |
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248 # connection is bad - possibly closed by server |
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249 # discard it and ask for the next free connection |
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250 h.close() |
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251 self._cm.remove(h) |
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252 h = self._cm.get_ready_conn(host) |
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253 else: |
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254 # no (working) free connections were found. Create a new one. |
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255 h = http_class(host) |
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256 if DEBUG: |
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257 DEBUG.info("creating new connection to %s (%d)", |
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258 host, id(h)) |
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259 self._cm.add(host, h, 0) |
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260 self._start_transaction(h, req) |
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261 r = h.getresponse() |
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262 except (socket.error, httplib.HTTPException) as err: |
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263 raise urlerr.urlerror(err) |
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264 |
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265 # if not a persistent connection, don't try to reuse it |
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266 if r.will_close: |
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267 self._cm.remove(h) |
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268 |
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269 if DEBUG: |
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270 DEBUG.info("STATUS: %s, %s", r.status, r.reason) |
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271 r._handler = self |
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272 r._host = host |
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273 r._url = req.get_full_url() |
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274 r._connection = h |
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275 r.code = r.status |
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276 r.headers = r.msg |
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277 r.msg = r.reason |
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278 |
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279 if r.status == 200 or not HANDLE_ERRORS: |
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280 return r |
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281 else: |
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282 return self.parent.error('http', req, r, |
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283 r.status, r.msg, r.headers) |
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284 |
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285 def _reuse_connection(self, h, req, host): |
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286 """start the transaction with a re-used connection |
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287 return a response object (r) upon success or None on failure. |
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288 This DOES not close or remove bad connections in cases where |
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289 it returns. However, if an unexpected exception occurs, it |
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290 will close and remove the connection before re-raising. |
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291 """ |
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292 try: |
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293 self._start_transaction(h, req) |
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294 r = h.getresponse() |
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295 # note: just because we got something back doesn't mean it |
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296 # worked. We'll check the version below, too. |
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297 except (socket.error, httplib.HTTPException): |
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298 r = None |
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299 except: # re-raises |
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300 # adding this block just in case we've missed |
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301 # something we will still raise the exception, but |
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302 # lets try and close the connection and remove it |
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303 # first. We previously got into a nasty loop |
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304 # where an exception was uncaught, and so the |
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305 # connection stayed open. On the next try, the |
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306 # same exception was raised, etc. The trade-off is |
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307 # that it's now possible this call will raise |
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308 # a DIFFERENT exception |
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309 if DEBUG: |
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310 DEBUG.error("unexpected exception - closing " |
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311 "connection to %s (%d)", host, id(h)) |
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312 self._cm.remove(h) |
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313 h.close() |
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314 raise |
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315 |
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316 if r is None or r.version == 9: |
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317 # httplib falls back to assuming HTTP 0.9 if it gets a |
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318 # bad header back. This is most likely to happen if |
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319 # the socket has been closed by the server since we |
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320 # last used the connection. |
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321 if DEBUG: |
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322 DEBUG.info("failed to re-use connection to %s (%d)", |
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323 host, id(h)) |
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324 r = None |
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325 else: |
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326 if DEBUG: |
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327 DEBUG.info("re-using connection to %s (%d)", host, id(h)) |
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328 |
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329 return r |
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330 |
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331 def _start_transaction(self, h, req): |
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332 # What follows mostly reimplements HTTPConnection.request() |
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333 # except it adds self.parent.addheaders in the mix. |
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334 headers = req.headers.copy() |
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335 if sys.version_info >= (2, 4): |
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336 headers.update(req.unredirected_hdrs) |
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337 headers.update(self.parent.addheaders) |
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338 headers = dict((n.lower(), v) for n, v in headers.items()) |
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339 skipheaders = {} |
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340 for n in ('host', 'accept-encoding'): |
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341 if n in headers: |
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342 skipheaders['skip_' + n.replace('-', '_')] = 1 |
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343 try: |
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344 if req.has_data(): |
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345 data = req.get_data() |
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346 h.putrequest('POST', req.get_selector(), **skipheaders) |
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347 if 'content-type' not in headers: |
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348 h.putheader('Content-type', |
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349 'application/x-www-form-urlencoded') |
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350 if 'content-length' not in headers: |
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351 h.putheader('Content-length', '%d' % len(data)) |
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352 else: |
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353 h.putrequest('GET', req.get_selector(), **skipheaders) |
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354 except socket.error as err: |
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355 raise urlerr.urlerror(err) |
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356 for k, v in headers.items(): |
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357 h.putheader(k, v) |
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358 h.endheaders() |
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359 if req.has_data(): |
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360 h.send(data) |
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361 |
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362 class HTTPHandler(KeepAliveHandler, urlreq.httphandler): |
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363 pass |
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364 |
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365 class HTTPResponse(httplib.HTTPResponse): |
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366 # we need to subclass HTTPResponse in order to |
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367 # 1) add readline() and readlines() methods |
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368 # 2) add close_connection() methods |
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369 # 3) add info() and geturl() methods |
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370 |
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371 # in order to add readline(), read must be modified to deal with a |
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372 # buffer. example: readline must read a buffer and then spit back |
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373 # one line at a time. The only real alternative is to read one |
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374 # BYTE at a time (ick). Once something has been read, it can't be |
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375 # put back (ok, maybe it can, but that's even uglier than this), |
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376 # so if you THEN do a normal read, you must first take stuff from |
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377 # the buffer. |
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378 |
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379 # the read method wraps the original to accommodate buffering, |
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380 # although read() never adds to the buffer. |
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381 # Both readline and readlines have been stolen with almost no |
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382 # modification from socket.py |
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383 |
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384 |
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385 def __init__(self, sock, debuglevel=0, strict=0, method=None): |
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386 httplib.HTTPResponse.__init__(self, sock, debuglevel, method) |
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387 self.fileno = sock.fileno |
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388 self.code = None |
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389 self._rbuf = '' |
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390 self._rbufsize = 8096 |
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391 self._handler = None # inserted by the handler later |
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392 self._host = None # (same) |
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393 self._url = None # (same) |
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394 self._connection = None # (same) |
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395 |
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396 _raw_read = httplib.HTTPResponse.read |
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397 |
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398 def close(self): |
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399 if self.fp: |
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400 self.fp.close() |
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401 self.fp = None |
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402 if self._handler: |
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403 self._handler._request_closed(self, self._host, |
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404 self._connection) |
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405 |
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406 def close_connection(self): |
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407 self._handler._remove_connection(self._host, self._connection, close=1) |
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408 self.close() |
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409 |
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410 def info(self): |
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411 return self.headers |
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412 |
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413 def geturl(self): |
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414 return self._url |
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415 |
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416 def read(self, amt=None): |
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417 # the _rbuf test is only in this first if for speed. It's not |
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418 # logically necessary |
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419 if self._rbuf and not amt is None: |
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420 L = len(self._rbuf) |
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421 if amt > L: |
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422 amt -= L |
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423 else: |
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424 s = self._rbuf[:amt] |
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425 self._rbuf = self._rbuf[amt:] |
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426 return s |
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427 |
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428 s = self._rbuf + self._raw_read(amt) |
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429 self._rbuf = '' |
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430 return s |
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431 |
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432 # stolen from Python SVN #68532 to fix issue1088 |
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433 def _read_chunked(self, amt): |
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434 chunk_left = self.chunk_left |
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435 value = '' |
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436 |
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437 # XXX This accumulates chunks by repeated string concatenation, |
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438 # which is not efficient as the number or size of chunks gets big. |
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439 while True: |
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440 if chunk_left is None: |
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441 line = self.fp.readline() |
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442 i = line.find(';') |
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443 if i >= 0: |
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444 line = line[:i] # strip chunk-extensions |
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445 try: |
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446 chunk_left = int(line, 16) |
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447 except ValueError: |
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448 # close the connection as protocol synchronization is |
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449 # probably lost |
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450 self.close() |
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451 raise httplib.IncompleteRead(value) |
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452 if chunk_left == 0: |
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453 break |
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454 if amt is None: |
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455 value += self._safe_read(chunk_left) |
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456 elif amt < chunk_left: |
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457 value += self._safe_read(amt) |
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458 self.chunk_left = chunk_left - amt |
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459 return value |
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460 elif amt == chunk_left: |
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461 value += self._safe_read(amt) |
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462 self._safe_read(2) # toss the CRLF at the end of the chunk |
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463 self.chunk_left = None |
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464 return value |
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465 else: |
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466 value += self._safe_read(chunk_left) |
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467 amt -= chunk_left |
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468 |
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469 # we read the whole chunk, get another |
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470 self._safe_read(2) # toss the CRLF at the end of the chunk |
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471 chunk_left = None |
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472 |
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473 # read and discard trailer up to the CRLF terminator |
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474 ### note: we shouldn't have any trailers! |
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475 while True: |
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476 line = self.fp.readline() |
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477 if not line: |
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478 # a vanishingly small number of sites EOF without |
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479 # sending the trailer |
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480 break |
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481 if line == '\r\n': |
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482 break |
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483 |
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484 # we read everything; close the "file" |
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485 self.close() |
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486 |
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487 return value |
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488 |
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489 def readline(self, limit=-1): |
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490 i = self._rbuf.find('\n') |
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491 while i < 0 and not (0 < limit <= len(self._rbuf)): |
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492 new = self._raw_read(self._rbufsize) |
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493 if not new: |
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494 break |
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495 i = new.find('\n') |
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496 if i >= 0: |
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497 i = i + len(self._rbuf) |
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498 self._rbuf = self._rbuf + new |
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499 if i < 0: |
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500 i = len(self._rbuf) |
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501 else: |
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502 i = i + 1 |
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503 if 0 <= limit < len(self._rbuf): |
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504 i = limit |
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505 data, self._rbuf = self._rbuf[:i], self._rbuf[i:] |
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506 return data |
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507 |
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508 def readlines(self, sizehint=0): |
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509 total = 0 |
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510 list = [] |
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511 while True: |
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512 line = self.readline() |
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513 if not line: |
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514 break |
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515 list.append(line) |
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516 total += len(line) |
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517 if sizehint and total >= sizehint: |
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518 break |
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519 return list |
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520 |
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521 def safesend(self, str): |
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522 """Send `str' to the server. |
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523 |
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524 Shamelessly ripped off from httplib to patch a bad behavior. |
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525 """ |
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526 # _broken_pipe_resp is an attribute we set in this function |
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527 # if the socket is closed while we're sending data but |
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528 # the server sent us a response before hanging up. |
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529 # In that case, we want to pretend to send the rest of the |
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530 # outgoing data, and then let the user use getresponse() |
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531 # (which we wrap) to get this last response before |
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532 # opening a new socket. |
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533 if getattr(self, '_broken_pipe_resp', None) is not None: |
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534 return |
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535 |
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536 if self.sock is None: |
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537 if self.auto_open: |
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538 self.connect() |
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539 else: |
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parents:
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|
540 raise httplib.NotConnected |
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541 |
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542 # send the data to the server. if we get a broken pipe, then close |
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543 # the socket. we want to reconnect when somebody tries to send again. |
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544 # |
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545 # NOTE: we DO propagate the error, though, because we cannot simply |
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546 # ignore the error... the caller will know if they can retry. |
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547 if self.debuglevel > 0: |
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parents:
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|
548 print("send:", repr(str)) |
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549 try: |
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|
550 blocksize = 8192 |
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|
551 read = getattr(str, 'read', None) |
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|
552 if read is not None: |
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553 if self.debuglevel > 0: |
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parents:
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|
554 print("sending a read()able") |
14958
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|
555 data = read(blocksize) |
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556 while data: |
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|
557 self.sock.sendall(data) |
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|
558 data = read(blocksize) |
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559 else: |
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|
560 self.sock.sendall(str) |
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parents:
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diff
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|
561 except socket.error as v: |
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562 reraise = True |
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563 if v[0] == errno.EPIPE: # Broken pipe |
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564 if self._HTTPConnection__state == httplib._CS_REQ_SENT: |
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|
565 self._broken_pipe_resp = None |
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566 self._broken_pipe_resp = self.getresponse() |
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|
567 reraise = False |
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568 self.close() |
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|
569 if reraise: |
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|
570 raise |
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parents:
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|
571 |
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572 def wrapgetresponse(cls): |
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573 """Wraps getresponse in cls with a broken-pipe sane version. |
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|
574 """ |
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575 def safegetresponse(self): |
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576 # In safesend() we might set the _broken_pipe_resp |
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577 # attribute, in which case the socket has already |
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578 # been closed and we just need to give them the response |
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579 # back. Otherwise, we use the normal response path. |
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580 r = getattr(self, '_broken_pipe_resp', None) |
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|
581 if r is not None: |
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|
582 return r |
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|
583 return cls.getresponse(self) |
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|
584 safegetresponse.__doc__ = cls.getresponse.__doc__ |
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585 return safegetresponse |
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|
586 |
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diff
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|
587 class HTTPConnection(httplib.HTTPConnection): |
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parents:
diff
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|
588 # use the modified response class |
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diff
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|
589 response_class = HTTPResponse |
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590 send = safesend |
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|
591 getresponse = wrapgetresponse(httplib.HTTPConnection) |
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|
592 |
2600
c4325f0a9b91
clean up trailing white space.
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parents:
2444
diff
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|
593 |
2435
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diff
changeset
|
594 ######################################################################### |
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parents:
diff
changeset
|
595 ##### TEST FUNCTIONS |
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|
596 ######################################################################### |
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597 |
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|
598 def error_handler(url): |
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|
599 global HANDLE_ERRORS |
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parents:
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|
600 orig = HANDLE_ERRORS |
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parents:
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601 keepalive_handler = HTTPHandler() |
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602 opener = urlreq.buildopener(keepalive_handler) |
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603 urlreq.installopener(opener) |
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604 pos = {0: 'off', 1: 'on'} |
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605 for i in (0, 1): |
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606 print(" fancy error handling %s (HANDLE_ERRORS = %i)" % (pos[i], i)) |
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parents:
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|
607 HANDLE_ERRORS = i |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
608 try: |
28883
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parents:
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609 fo = urlreq.urlopen(url) |
7874
d812029cda85
cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
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|
610 fo.read() |
2435
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611 fo.close() |
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|
612 try: |
08a0f04b56bd
many, many trivial check-code fixups
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parents:
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|
613 status, reason = fo.status, fo.reason |
08a0f04b56bd
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parents:
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|
614 except AttributeError: |
08a0f04b56bd
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Matt Mackall <mpm@selenic.com>
parents:
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|
615 status, reason = None, None |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
22958
diff
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|
616 except IOError as e: |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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617 print(" EXCEPTION: %s" % e) |
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|
618 raise |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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619 else: |
27616
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620 print(" status = %s, reason = %s" % (status, reason)) |
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diff
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|
621 HANDLE_ERRORS = orig |
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parents:
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622 hosts = keepalive_handler.open_connections() |
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|
623 print("open connections:", hosts) |
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624 keepalive_handler.close_all() |
ff2bac730b99
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parents:
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|
625 |
ff2bac730b99
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parents:
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|
626 def continuity(url): |
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Gregory Szorc <gregory.szorc@gmail.com>
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627 from . import util |
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keepalive: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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628 md5 = util.md5 |
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diff
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|
629 format = '%25s: %s' |
2600
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clean up trailing white space.
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parents:
2444
diff
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|
630 |
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parents:
diff
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|
631 # first fetch the file with the normal http handler |
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632 opener = urlreq.buildopener() |
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
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diff
changeset
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633 urlreq.installopener(opener) |
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634 fo = urlreq.urlopen(url) |
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parents:
diff
changeset
|
635 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
636 fo.close() |
22505
232d437af120
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Mike Hommey <mh@glandium.org>
parents:
19872
diff
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|
637 m = md5(foo) |
27616
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
638 print(format % ('normal urllib', m.hexdigest())) |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
639 |
ff2bac730b99
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parents:
diff
changeset
|
640 # now install the keepalive handler and try again |
28883
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timeless <timeless@mozdev.org>
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changeset
|
641 opener = urlreq.buildopener(HTTPHandler()) |
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parents:
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|
642 urlreq.installopener(opener) |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
643 |
28883
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
644 fo = urlreq.urlopen(url) |
2435
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parents:
diff
changeset
|
645 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
646 fo.close() |
22505
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Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
647 m = md5(foo) |
27616
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
648 print(format % ('keepalive read', m.hexdigest())) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
649 |
28883
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
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changeset
|
650 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
651 foo = '' |
14494
1ffeeb91c55d
check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents:
10394
diff
changeset
|
652 while True: |
2435
ff2bac730b99
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parents:
diff
changeset
|
653 f = fo.readline() |
10282
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Matt Mackall <mpm@selenic.com>
parents:
9726
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|
654 if f: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
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changeset
|
655 foo = foo + f |
2435
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parents:
diff
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|
656 else: break |
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http client: support persistent connections.
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parents:
diff
changeset
|
657 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
658 m = md5(foo) |
27616
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
659 print(format % ('keepalive readline', m.hexdigest())) |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
660 |
ff2bac730b99
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parents:
diff
changeset
|
661 def comp(N, url): |
27616
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parents:
27507
diff
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|
662 print(' making %i connections to:\n %s' % (N, url)) |
2435
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parents:
diff
changeset
|
663 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
664 sys.stdout.write(' first using the normal urllib handlers') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
665 # first use normal opener |
28883
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timeless <timeless@mozdev.org>
parents:
28278
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changeset
|
666 opener = urlreq.buildopener() |
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timeless <timeless@mozdev.org>
parents:
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changeset
|
667 urlreq.installopener(opener) |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
668 t1 = fetch(N, url) |
27616
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
669 print(' TIME: %.3f s' % t1) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
670 |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
671 sys.stdout.write(' now using the keepalive handler ') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
672 # now install the keepalive handler and try again |
28883
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timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
673 opener = urlreq.buildopener(HTTPHandler()) |
032c4c2f802a
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timeless <timeless@mozdev.org>
parents:
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changeset
|
674 urlreq.installopener(opener) |
2435
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parents:
diff
changeset
|
675 t2 = fetch(N, url) |
27616
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keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
676 print(' TIME: %.3f s' % t2) |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
677 print(' improvement factor: %.2f' % (t1 / t2)) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
678 |
2435
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parents:
diff
changeset
|
679 def fetch(N, url, delay=0): |
ff2bac730b99
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parents:
diff
changeset
|
680 import time |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
681 lens = [] |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
682 starttime = time.time() |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
683 for i in range(N): |
10282
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many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
684 if delay and i > 0: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
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changeset
|
685 time.sleep(delay) |
28883
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parents:
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changeset
|
686 fo = urlreq.urlopen(url) |
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parents:
diff
changeset
|
687 foo = fo.read() |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
688 fo.close() |
ff2bac730b99
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parents:
diff
changeset
|
689 lens.append(len(foo)) |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
690 diff = time.time() - starttime |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
691 |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
692 j = 0 |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
693 for i in lens[1:]: |
ff2bac730b99
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parents:
diff
changeset
|
694 j = j + 1 |
ff2bac730b99
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parents:
diff
changeset
|
695 if not i == lens[0]: |
27616
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|
696 print("WARNING: inconsistent length on read %i: %i" % (j, i)) |
2435
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parents:
diff
changeset
|
697 |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
698 return diff |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
699 |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
700 def test_timeout(url): |
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parents:
diff
changeset
|
701 global DEBUG |
ff2bac730b99
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parents:
diff
changeset
|
702 dbbackup = DEBUG |
14764
a7d5816087a9
classes: fix class style problems found by b071cd58af50
Thomas Arendsen Hein <thomas@intevation.de>
parents:
14494
diff
changeset
|
703 class FakeLogger(object): |
10282
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Matt Mackall <mpm@selenic.com>
parents:
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|
704 def debug(self, msg, *args): |
27616
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|
705 print(msg % args) |
2435
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parents:
diff
changeset
|
706 info = warning = error = debug |
ff2bac730b99
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parents:
diff
changeset
|
707 DEBUG = FakeLogger() |
27616
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diff
changeset
|
708 print(" fetching the file to establish a connection") |
28883
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changeset
|
709 fo = urlreq.urlopen(url) |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
710 data1 = fo.read() |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
711 fo.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
712 |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
713 i = 20 |
27616
0765d8423fbc
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
714 print(" waiting %i seconds for the server to close the connection" % i) |
2435
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parents:
diff
changeset
|
715 while i > 0: |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
716 sys.stdout.write('\r %2i' % i) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
717 sys.stdout.flush() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
718 time.sleep(1) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
719 i -= 1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
720 sys.stderr.write('\r') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
721 |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
722 print(" fetching the file a second time") |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
723 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
724 data2 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
725 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
726 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
727 if data1 == data2: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
728 print(' data are identical') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
729 else: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
730 print(' ERROR: DATA DIFFER') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
731 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
732 DEBUG = dbbackup |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
733 |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
734 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
735 def test(url, N=10): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
736 print("checking error handler (do this on a non-200)") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
737 try: error_handler(url) |
7875
553aa0cbeab6
cleanup: drop unused assignments
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
7874
diff
changeset
|
738 except IOError: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
739 print("exiting - exception will prevent further tests") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
740 sys.exit() |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
741 print('') |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
742 print("performing continuity test (making sure stuff isn't corrupted)") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
743 continuity(url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
744 print('') |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
745 print("performing speed comparison") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
746 comp(N, url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
747 print('') |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
748 print("performing dropped-connection check") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
749 test_timeout(url) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
750 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
751 if __name__ == '__main__': |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
752 import time |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
753 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
754 N = int(sys.argv[1]) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
755 url = sys.argv[2] |
16688
cfb6682961b8
cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents:
16687
diff
changeset
|
756 except (IndexError, ValueError): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
757 print("%s <integer> <url>" % sys.argv[0]) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
758 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
759 test(url, N) |