Mercurial > hg
annotate mercurial/keepalive.py @ 23883:7e71898a7cdc
share: replace the bookmarks.shared file with an entry on a new "shared" file
cd79fb4d75fd introduced a way to share bookmarks. When a repository share that
shares bookmarks was created, a .hg/bookmarks.shared file was created to mark
the repository share as one that shares its bookmarks.
We have plans to introduce other levels of sharing, including a "full share"
mode. Rather than creating a new ".shared" file for each new thing that we may
want to share It seems better to create a single "shared" file that will list
what is shared for a given shared repository. This should make it much easier
to get a list of everything that is shared by a given shared repository.
The shared file contains a list of shared "items" (such as bookmarks). Each
shared "item" is added as a new line in the file. For now the only possible
entry in the file is "bookmarks".
author | Angel Ezquerra <angel.ezquerra@gmail.com> |
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date | Sun, 11 Jan 2015 16:20:15 +0100 |
parents | bb7a911b138e |
children | 328739ea70c3 |
rev | line source |
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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 = urllib2.build_opener(keepalive_handler) |
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32 >>> urllib2.install_opener(opener) |
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33 >>> |
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34 >>> fo = urllib2.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 import errno |
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111 import httplib |
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112 import socket |
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113 import thread |
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114 import urllib2 |
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115 |
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116 DEBUG = None |
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117 |
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118 import sys |
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119 if sys.version_info < (2, 4): |
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120 HANDLE_ERRORS = 1 |
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121 else: HANDLE_ERRORS = 0 |
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122 |
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123 class ConnectionManager(object): |
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124 """ |
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125 The connection manager must be able to: |
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126 * keep track of all existing |
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127 """ |
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128 def __init__(self): |
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129 self._lock = thread.allocate_lock() |
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130 self._hostmap = {} # map hosts to a list of connections |
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131 self._connmap = {} # map connections to host |
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132 self._readymap = {} # map connection to ready state |
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133 |
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134 def add(self, host, connection, ready): |
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135 self._lock.acquire() |
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136 try: |
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137 if host not in self._hostmap: |
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138 self._hostmap[host] = [] |
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139 self._hostmap[host].append(connection) |
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140 self._connmap[connection] = host |
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141 self._readymap[connection] = ready |
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142 finally: |
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143 self._lock.release() |
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144 |
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145 def remove(self, connection): |
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146 self._lock.acquire() |
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147 try: |
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148 try: |
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149 host = self._connmap[connection] |
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150 except KeyError: |
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151 pass |
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152 else: |
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153 del self._connmap[connection] |
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154 del self._readymap[connection] |
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155 self._hostmap[host].remove(connection) |
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156 if not self._hostmap[host]: del self._hostmap[host] |
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157 finally: |
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158 self._lock.release() |
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159 |
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160 def set_ready(self, connection, ready): |
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161 try: |
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162 self._readymap[connection] = ready |
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163 except KeyError: |
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164 pass |
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165 |
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166 def get_ready_conn(self, host): |
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167 conn = None |
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168 self._lock.acquire() |
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169 try: |
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170 if host in self._hostmap: |
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171 for c in self._hostmap[host]: |
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172 if self._readymap[c]: |
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173 self._readymap[c] = 0 |
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174 conn = c |
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175 break |
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176 finally: |
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177 self._lock.release() |
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178 return conn |
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179 |
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180 def get_all(self, host=None): |
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181 if host: |
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182 return list(self._hostmap.get(host, [])) |
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183 else: |
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184 return dict(self._hostmap) |
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185 |
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186 class KeepAliveHandler(object): |
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187 def __init__(self): |
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188 self._cm = ConnectionManager() |
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189 |
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190 #### Connection Management |
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191 def open_connections(self): |
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192 """return a list of connected hosts and the number of connections |
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193 to each. [('foo.com:80', 2), ('bar.org', 1)]""" |
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194 return [(host, len(li)) for (host, li) in self._cm.get_all().items()] |
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195 |
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196 def close_connection(self, host): |
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197 """close connection(s) to <host> |
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198 host is the host:port spec, as in 'www.cnn.com:8080' as passed in. |
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199 no error occurs if there is no connection to that host.""" |
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200 for h in self._cm.get_all(host): |
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201 self._cm.remove(h) |
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202 h.close() |
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203 |
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204 def close_all(self): |
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205 """close all open connections""" |
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206 for host, conns in self._cm.get_all().iteritems(): |
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207 for h in conns: |
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208 self._cm.remove(h) |
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209 h.close() |
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210 |
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211 def _request_closed(self, request, host, connection): |
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212 """tells us that this request is now closed and that the |
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213 connection is ready for another request""" |
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214 self._cm.set_ready(connection, 1) |
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215 |
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216 def _remove_connection(self, host, connection, close=0): |
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217 if close: |
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218 connection.close() |
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219 self._cm.remove(connection) |
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220 |
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221 #### Transaction Execution |
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222 def http_open(self, req): |
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223 return self.do_open(HTTPConnection, req) |
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224 |
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225 def do_open(self, http_class, req): |
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226 host = req.get_host() |
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227 if not host: |
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228 raise urllib2.URLError('no host given') |
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229 |
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230 try: |
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231 h = self._cm.get_ready_conn(host) |
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232 while h: |
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233 r = self._reuse_connection(h, req, host) |
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234 |
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235 # if this response is non-None, then it worked and we're |
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236 # done. Break out, skipping the else block. |
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237 if r: |
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238 break |
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239 |
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240 # connection is bad - possibly closed by server |
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241 # discard it and ask for the next free connection |
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242 h.close() |
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243 self._cm.remove(h) |
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244 h = self._cm.get_ready_conn(host) |
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245 else: |
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246 # no (working) free connections were found. Create a new one. |
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247 h = http_class(host) |
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248 if DEBUG: |
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249 DEBUG.info("creating new connection to %s (%d)", |
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250 host, id(h)) |
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251 self._cm.add(host, h, 0) |
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252 self._start_transaction(h, req) |
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253 r = h.getresponse() |
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254 except (socket.error, httplib.HTTPException), err: |
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255 raise urllib2.URLError(err) |
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256 |
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257 # if not a persistent connection, don't try to reuse it |
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258 if r.will_close: |
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259 self._cm.remove(h) |
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260 |
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261 if DEBUG: |
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262 DEBUG.info("STATUS: %s, %s", r.status, r.reason) |
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263 r._handler = self |
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264 r._host = host |
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265 r._url = req.get_full_url() |
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266 r._connection = h |
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267 r.code = r.status |
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268 r.headers = r.msg |
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269 r.msg = r.reason |
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270 |
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271 if r.status == 200 or not HANDLE_ERRORS: |
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272 return r |
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273 else: |
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274 return self.parent.error('http', req, r, |
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275 r.status, r.msg, r.headers) |
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276 |
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277 def _reuse_connection(self, h, req, host): |
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278 """start the transaction with a re-used connection |
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279 return a response object (r) upon success or None on failure. |
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280 This DOES not close or remove bad connections in cases where |
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281 it returns. However, if an unexpected exception occurs, it |
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282 will close and remove the connection before re-raising. |
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283 """ |
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284 try: |
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285 self._start_transaction(h, req) |
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286 r = h.getresponse() |
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287 # note: just because we got something back doesn't mean it |
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288 # worked. We'll check the version below, too. |
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289 except (socket.error, httplib.HTTPException): |
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290 r = None |
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291 except: # re-raises |
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292 # adding this block just in case we've missed |
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293 # something we will still raise the exception, but |
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294 # lets try and close the connection and remove it |
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295 # first. We previously got into a nasty loop |
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296 # where an exception was uncaught, and so the |
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297 # connection stayed open. On the next try, the |
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298 # same exception was raised, etc. The trade-off is |
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299 # that it's now possible this call will raise |
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300 # a DIFFERENT exception |
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301 if DEBUG: |
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302 DEBUG.error("unexpected exception - closing " |
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303 "connection to %s (%d)", host, id(h)) |
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304 self._cm.remove(h) |
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305 h.close() |
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306 raise |
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307 |
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308 if r is None or r.version == 9: |
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309 # httplib falls back to assuming HTTP 0.9 if it gets a |
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310 # bad header back. This is most likely to happen if |
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311 # the socket has been closed by the server since we |
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312 # last used the connection. |
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313 if DEBUG: |
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314 DEBUG.info("failed to re-use connection to %s (%d)", |
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315 host, id(h)) |
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316 r = None |
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317 else: |
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318 if DEBUG: |
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319 DEBUG.info("re-using connection to %s (%d)", host, id(h)) |
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320 |
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321 return r |
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322 |
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323 def _start_transaction(self, h, req): |
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324 # What follows mostly reimplements HTTPConnection.request() |
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325 # except it adds self.parent.addheaders in the mix. |
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326 headers = req.headers.copy() |
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327 if sys.version_info >= (2, 4): |
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328 headers.update(req.unredirected_hdrs) |
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329 headers.update(self.parent.addheaders) |
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330 headers = dict((n.lower(), v) for n, v in headers.items()) |
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331 skipheaders = {} |
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332 for n in ('host', 'accept-encoding'): |
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333 if n in headers: |
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334 skipheaders['skip_' + n.replace('-', '_')] = 1 |
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335 try: |
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336 if req.has_data(): |
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337 data = req.get_data() |
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338 h.putrequest('POST', req.get_selector(), **skipheaders) |
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339 if 'content-type' not in headers: |
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340 h.putheader('Content-type', |
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341 'application/x-www-form-urlencoded') |
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342 if 'content-length' not in headers: |
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343 h.putheader('Content-length', '%d' % len(data)) |
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344 else: |
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345 h.putrequest('GET', req.get_selector(), **skipheaders) |
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346 except (socket.error), err: |
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347 raise urllib2.URLError(err) |
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348 for k, v in headers.items(): |
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349 h.putheader(k, v) |
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350 h.endheaders() |
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351 if req.has_data(): |
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352 h.send(data) |
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353 |
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354 class HTTPHandler(KeepAliveHandler, urllib2.HTTPHandler): |
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355 pass |
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356 |
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357 class HTTPResponse(httplib.HTTPResponse): |
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358 # we need to subclass HTTPResponse in order to |
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359 # 1) add readline() and readlines() methods |
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360 # 2) add close_connection() methods |
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361 # 3) add info() and geturl() methods |
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362 |
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363 # in order to add readline(), read must be modified to deal with a |
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364 # buffer. example: readline must read a buffer and then spit back |
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365 # one line at a time. The only real alternative is to read one |
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366 # BYTE at a time (ick). Once something has been read, it can't be |
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367 # put back (ok, maybe it can, but that's even uglier than this), |
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368 # so if you THEN do a normal read, you must first take stuff from |
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369 # the buffer. |
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370 |
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371 # the read method wraps the original to accommodate buffering, |
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372 # although read() never adds to the buffer. |
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373 # Both readline and readlines have been stolen with almost no |
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374 # modification from socket.py |
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375 |
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376 |
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377 def __init__(self, sock, debuglevel=0, strict=0, method=None): |
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378 httplib.HTTPResponse.__init__(self, sock, debuglevel, method) |
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379 self.fileno = sock.fileno |
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380 self.code = None |
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381 self._rbuf = '' |
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382 self._rbufsize = 8096 |
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383 self._handler = None # inserted by the handler later |
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384 self._host = None # (same) |
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385 self._url = None # (same) |
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386 self._connection = None # (same) |
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387 |
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388 _raw_read = httplib.HTTPResponse.read |
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389 |
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390 def close(self): |
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391 if self.fp: |
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392 self.fp.close() |
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393 self.fp = None |
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394 if self._handler: |
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395 self._handler._request_closed(self, self._host, |
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396 self._connection) |
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397 |
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398 def close_connection(self): |
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399 self._handler._remove_connection(self._host, self._connection, close=1) |
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400 self.close() |
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401 |
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402 def info(self): |
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403 return self.headers |
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404 |
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405 def geturl(self): |
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406 return self._url |
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407 |
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408 def read(self, amt=None): |
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409 # the _rbuf test is only in this first if for speed. It's not |
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410 # logically necessary |
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411 if self._rbuf and not amt is None: |
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412 L = len(self._rbuf) |
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413 if amt > L: |
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414 amt -= L |
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415 else: |
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416 s = self._rbuf[:amt] |
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417 self._rbuf = self._rbuf[amt:] |
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418 return s |
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419 |
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420 s = self._rbuf + self._raw_read(amt) |
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421 self._rbuf = '' |
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422 return s |
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423 |
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424 # stolen from Python SVN #68532 to fix issue1088 |
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425 def _read_chunked(self, amt): |
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426 chunk_left = self.chunk_left |
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427 value = '' |
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428 |
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429 # XXX This accumulates chunks by repeated string concatenation, |
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430 # which is not efficient as the number or size of chunks gets big. |
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431 while True: |
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432 if chunk_left is None: |
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433 line = self.fp.readline() |
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434 i = line.find(';') |
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435 if i >= 0: |
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436 line = line[:i] # strip chunk-extensions |
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437 try: |
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438 chunk_left = int(line, 16) |
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439 except ValueError: |
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440 # close the connection as protocol synchronization is |
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441 # probably lost |
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442 self.close() |
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443 raise httplib.IncompleteRead(value) |
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444 if chunk_left == 0: |
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445 break |
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446 if amt is None: |
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447 value += self._safe_read(chunk_left) |
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448 elif amt < chunk_left: |
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449 value += self._safe_read(amt) |
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450 self.chunk_left = chunk_left - amt |
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451 return value |
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452 elif amt == chunk_left: |
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453 value += self._safe_read(amt) |
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454 self._safe_read(2) # toss the CRLF at the end of the chunk |
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455 self.chunk_left = None |
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456 return value |
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457 else: |
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458 value += self._safe_read(chunk_left) |
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459 amt -= chunk_left |
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460 |
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461 # we read the whole chunk, get another |
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462 self._safe_read(2) # toss the CRLF at the end of the chunk |
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463 chunk_left = None |
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464 |
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465 # read and discard trailer up to the CRLF terminator |
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466 ### note: we shouldn't have any trailers! |
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467 while True: |
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468 line = self.fp.readline() |
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469 if not line: |
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470 # a vanishingly small number of sites EOF without |
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471 # sending the trailer |
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472 break |
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473 if line == '\r\n': |
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474 break |
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475 |
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476 # we read everything; close the "file" |
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477 self.close() |
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478 |
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479 return value |
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480 |
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481 def readline(self, limit=-1): |
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482 i = self._rbuf.find('\n') |
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483 while i < 0 and not (0 < limit <= len(self._rbuf)): |
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484 new = self._raw_read(self._rbufsize) |
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485 if not new: |
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486 break |
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487 i = new.find('\n') |
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488 if i >= 0: |
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489 i = i + len(self._rbuf) |
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490 self._rbuf = self._rbuf + new |
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491 if i < 0: |
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492 i = len(self._rbuf) |
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493 else: |
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494 i = i + 1 |
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495 if 0 <= limit < len(self._rbuf): |
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496 i = limit |
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497 data, self._rbuf = self._rbuf[:i], self._rbuf[i:] |
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498 return data |
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499 |
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500 def readlines(self, sizehint=0): |
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501 total = 0 |
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502 list = [] |
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503 while True: |
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504 line = self.readline() |
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505 if not line: |
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506 break |
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507 list.append(line) |
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508 total += len(line) |
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509 if sizehint and total >= sizehint: |
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510 break |
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511 return list |
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512 |
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513 def safesend(self, str): |
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514 """Send `str' to the server. |
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515 |
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516 Shamelessly ripped off from httplib to patch a bad behavior. |
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517 """ |
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518 # _broken_pipe_resp is an attribute we set in this function |
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519 # if the socket is closed while we're sending data but |
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520 # the server sent us a response before hanging up. |
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521 # In that case, we want to pretend to send the rest of the |
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522 # outgoing data, and then let the user use getresponse() |
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523 # (which we wrap) to get this last response before |
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524 # opening a new socket. |
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525 if getattr(self, '_broken_pipe_resp', None) is not None: |
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526 return |
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527 |
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528 if self.sock is None: |
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529 if self.auto_open: |
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530 self.connect() |
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531 else: |
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532 raise httplib.NotConnected |
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533 |
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534 # send the data to the server. if we get a broken pipe, then close |
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535 # the socket. we want to reconnect when somebody tries to send again. |
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536 # |
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537 # NOTE: we DO propagate the error, though, because we cannot simply |
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538 # ignore the error... the caller will know if they can retry. |
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539 if self.debuglevel > 0: |
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540 print "send:", repr(str) |
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541 try: |
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542 blocksize = 8192 |
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543 read = getattr(str, 'read', None) |
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544 if read is not None: |
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545 if self.debuglevel > 0: |
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546 print "sending a read()able" |
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547 data = read(blocksize) |
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548 while data: |
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549 self.sock.sendall(data) |
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550 data = read(blocksize) |
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551 else: |
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552 self.sock.sendall(str) |
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553 except socket.error, v: |
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554 reraise = True |
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555 if v[0] == errno.EPIPE: # Broken pipe |
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556 if self._HTTPConnection__state == httplib._CS_REQ_SENT: |
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557 self._broken_pipe_resp = None |
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558 self._broken_pipe_resp = self.getresponse() |
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559 reraise = False |
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560 self.close() |
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561 if reraise: |
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562 raise |
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563 |
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564 def wrapgetresponse(cls): |
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565 """Wraps getresponse in cls with a broken-pipe sane version. |
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566 """ |
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567 def safegetresponse(self): |
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568 # In safesend() we might set the _broken_pipe_resp |
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569 # attribute, in which case the socket has already |
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570 # been closed and we just need to give them the response |
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571 # back. Otherwise, we use the normal response path. |
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572 r = getattr(self, '_broken_pipe_resp', None) |
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573 if r is not None: |
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574 return r |
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575 return cls.getresponse(self) |
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576 safegetresponse.__doc__ = cls.getresponse.__doc__ |
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577 return safegetresponse |
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578 |
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579 class HTTPConnection(httplib.HTTPConnection): |
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580 # use the modified response class |
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581 response_class = HTTPResponse |
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582 send = safesend |
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583 getresponse = wrapgetresponse(httplib.HTTPConnection) |
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584 |
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585 |
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586 ######################################################################### |
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587 ##### TEST FUNCTIONS |
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588 ######################################################################### |
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589 |
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590 def error_handler(url): |
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591 global HANDLE_ERRORS |
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592 orig = HANDLE_ERRORS |
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593 keepalive_handler = HTTPHandler() |
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594 opener = urllib2.build_opener(keepalive_handler) |
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595 urllib2.install_opener(opener) |
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596 pos = {0: 'off', 1: 'on'} |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
597 for i in (0, 1): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
598 print " fancy error handling %s (HANDLE_ERRORS = %i)" % (pos[i], i) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
599 HANDLE_ERRORS = i |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
600 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
601 fo = urllib2.urlopen(url) |
7874
d812029cda85
cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
7868
diff
changeset
|
602 fo.read() |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
603 fo.close() |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
604 try: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
605 status, reason = fo.status, fo.reason |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
606 except AttributeError: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
607 status, reason = None, None |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
608 except IOError, e: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
609 print " EXCEPTION: %s" % e |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
610 raise |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
611 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
612 print " status = %s, reason = %s" % (status, reason) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
613 HANDLE_ERRORS = orig |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
614 hosts = keepalive_handler.open_connections() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
615 print "open connections:", hosts |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
616 keepalive_handler.close_all() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
617 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
618 def continuity(url): |
22958
bb7a911b138e
util: move md5 back next to sha1 and allow to call it without an argument
Mike Hommey <mh@glandium.org>
parents:
22505
diff
changeset
|
619 from util import md5 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
620 format = '%25s: %s' |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
621 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
622 # first fetch the file with the normal http handler |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
623 opener = urllib2.build_opener() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
624 urllib2.install_opener(opener) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
625 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
626 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
627 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
628 m = md5(foo) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
629 print format % ('normal urllib', m.hexdigest()) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
630 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
631 # now install the keepalive handler and try again |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
632 opener = urllib2.build_opener(HTTPHandler()) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
633 urllib2.install_opener(opener) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
634 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
635 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
636 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
637 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
638 m = md5(foo) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
639 print format % ('keepalive read', m.hexdigest()) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
640 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
641 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
642 foo = '' |
14494
1ffeeb91c55d
check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents:
10394
diff
changeset
|
643 while True: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
644 f = fo.readline() |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
645 if f: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
646 foo = foo + f |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
647 else: break |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
648 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
649 m = md5(foo) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
650 print format % ('keepalive readline', m.hexdigest()) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
651 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
652 def comp(N, url): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
653 print ' making %i connections to:\n %s' % (N, url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
654 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
655 sys.stdout.write(' first using the normal urllib handlers') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
656 # first use normal opener |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
657 opener = urllib2.build_opener() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
658 urllib2.install_opener(opener) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
659 t1 = fetch(N, url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
660 print ' TIME: %.3f s' % t1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
661 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
662 sys.stdout.write(' now using the keepalive handler ') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
663 # now install the keepalive handler and try again |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
664 opener = urllib2.build_opener(HTTPHandler()) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
665 urllib2.install_opener(opener) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
666 t2 = fetch(N, url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
667 print ' TIME: %.3f s' % t2 |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
668 print ' improvement factor: %.2f' % (t1 / t2) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
669 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
670 def fetch(N, url, delay=0): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
671 import time |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
672 lens = [] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
673 starttime = time.time() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
674 for i in range(N): |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
675 if delay and i > 0: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
676 time.sleep(delay) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
677 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
678 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
679 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
680 lens.append(len(foo)) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
681 diff = time.time() - starttime |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
682 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
683 j = 0 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
684 for i in lens[1:]: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
685 j = j + 1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
686 if not i == lens[0]: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
687 print "WARNING: inconsistent length on read %i: %i" % (j, i) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
688 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
689 return diff |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
690 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
691 def test_timeout(url): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
692 global DEBUG |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
693 dbbackup = DEBUG |
14764
a7d5816087a9
classes: fix class style problems found by b071cd58af50
Thomas Arendsen Hein <thomas@intevation.de>
parents:
14494
diff
changeset
|
694 class FakeLogger(object): |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
695 def debug(self, msg, *args): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
696 print msg % args |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
697 info = warning = error = debug |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
698 DEBUG = FakeLogger() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
699 print " fetching the file to establish a connection" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
700 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
701 data1 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
702 fo.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
703 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
704 i = 20 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
705 print " waiting %i seconds for the server to close the connection" % i |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
706 while i > 0: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
707 sys.stdout.write('\r %2i' % i) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
708 sys.stdout.flush() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
709 time.sleep(1) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
710 i -= 1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
711 sys.stderr.write('\r') |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
712 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
713 print " fetching the file a second time" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
714 fo = urllib2.urlopen(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
715 data2 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
716 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
717 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
718 if data1 == data2: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
719 print ' data are identical' |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
720 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
721 print ' ERROR: DATA DIFFER' |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
722 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
723 DEBUG = dbbackup |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
724 |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
725 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
726 def test(url, N=10): |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17251
diff
changeset
|
727 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
|
728 try: error_handler(url) |
7875
553aa0cbeab6
cleanup: drop unused assignments
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
7874
diff
changeset
|
729 except IOError: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
730 print "exiting - exception will prevent further tests" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
731 sys.exit() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
732 print |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
733 print "performing continuity test (making sure stuff isn't corrupted)" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
734 continuity(url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
735 print |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
736 print "performing speed comparison" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
737 comp(N, url) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
738 print |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
739 print "performing dropped-connection check" |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
740 test_timeout(url) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
741 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
742 if __name__ == '__main__': |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
743 import time |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
744 import sys |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
745 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
746 N = int(sys.argv[1]) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
747 url = sys.argv[2] |
16688
cfb6682961b8
cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents:
16687
diff
changeset
|
748 except (IndexError, ValueError): |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
749 print "%s <integer> <url>" % sys.argv[0] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
750 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
751 test(url, N) |