Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/urllib3/connectionpool.py @ 4:79f47841a781 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from __future__ import absolute_import
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2 import errno
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3 import logging
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4 import sys
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5 import warnings
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6
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7 from socket import error as SocketError, timeout as SocketTimeout
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8 import socket
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9
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10
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11 from .exceptions import (
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12 ClosedPoolError,
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13 ProtocolError,
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14 EmptyPoolError,
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15 HeaderParsingError,
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16 HostChangedError,
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17 LocationValueError,
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18 MaxRetryError,
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19 ProxyError,
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20 ReadTimeoutError,
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21 SSLError,
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22 TimeoutError,
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23 InsecureRequestWarning,
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24 NewConnectionError,
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25 )
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26 from .packages.ssl_match_hostname import CertificateError
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27 from .packages import six
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28 from .packages.six.moves import queue
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29 from .connection import (
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30 port_by_scheme,
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31 DummyConnection,
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32 HTTPConnection,
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33 HTTPSConnection,
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34 VerifiedHTTPSConnection,
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35 HTTPException,
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36 BaseSSLError,
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37 )
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38 from .request import RequestMethods
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39 from .response import HTTPResponse
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40
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41 from .util.connection import is_connection_dropped
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42 from .util.request import set_file_position
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43 from .util.response import assert_header_parsing
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44 from .util.retry import Retry
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45 from .util.timeout import Timeout
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46 from .util.url import (
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47 get_host,
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48 parse_url,
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49 Url,
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50 _normalize_host as normalize_host,
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51 _encode_target,
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52 )
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53 from .util.queue import LifoQueue
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54
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55
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56 xrange = six.moves.xrange
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57
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58 log = logging.getLogger(__name__)
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59
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60 _Default = object()
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61
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62
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63 # Pool objects
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64 class ConnectionPool(object):
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65 """
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66 Base class for all connection pools, such as
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67 :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`.
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68
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69 .. note::
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70 ConnectionPool.urlopen() does not normalize or percent-encode target URIs
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71 which is useful if your target server doesn't support percent-encoded
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72 target URIs.
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73 """
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74
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75 scheme = None
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76 QueueCls = LifoQueue
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77
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78 def __init__(self, host, port=None):
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79 if not host:
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80 raise LocationValueError("No host specified.")
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81
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82 self.host = _normalize_host(host, scheme=self.scheme)
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83 self._proxy_host = host.lower()
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84 self.port = port
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85
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86 def __str__(self):
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87 return "%s(host=%r, port=%r)" % (type(self).__name__, self.host, self.port)
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88
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89 def __enter__(self):
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90 return self
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91
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92 def __exit__(self, exc_type, exc_val, exc_tb):
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93 self.close()
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94 # Return False to re-raise any potential exceptions
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95 return False
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96
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97 def close(self):
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98 """
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99 Close all pooled connections and disable the pool.
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100 """
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101 pass
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102
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103
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104 # This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252
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105 _blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK}
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106
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107
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108 class HTTPConnectionPool(ConnectionPool, RequestMethods):
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109 """
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110 Thread-safe connection pool for one host.
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111
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112 :param host:
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113 Host used for this HTTP Connection (e.g. "localhost"), passed into
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114 :class:`httplib.HTTPConnection`.
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115
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116 :param port:
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117 Port used for this HTTP Connection (None is equivalent to 80), passed
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118 into :class:`httplib.HTTPConnection`.
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119
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120 :param strict:
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121 Causes BadStatusLine to be raised if the status line can't be parsed
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122 as a valid HTTP/1.0 or 1.1 status line, passed into
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123 :class:`httplib.HTTPConnection`.
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124
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125 .. note::
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126 Only works in Python 2. This parameter is ignored in Python 3.
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127
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128 :param timeout:
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129 Socket timeout in seconds for each individual connection. This can
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130 be a float or integer, which sets the timeout for the HTTP request,
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131 or an instance of :class:`urllib3.util.Timeout` which gives you more
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132 fine-grained control over request timeouts. After the constructor has
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133 been parsed, this is always a `urllib3.util.Timeout` object.
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134
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135 :param maxsize:
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136 Number of connections to save that can be reused. More than 1 is useful
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137 in multithreaded situations. If ``block`` is set to False, more
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138 connections will be created but they will not be saved once they've
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139 been used.
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140
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141 :param block:
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142 If set to True, no more than ``maxsize`` connections will be used at
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143 a time. When no free connections are available, the call will block
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144 until a connection has been released. This is a useful side effect for
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145 particular multithreaded situations where one does not want to use more
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146 than maxsize connections per host to prevent flooding.
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147
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148 :param headers:
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149 Headers to include with all requests, unless other headers are given
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150 explicitly.
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151
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152 :param retries:
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153 Retry configuration to use by default with requests in this pool.
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154
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155 :param _proxy:
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156 Parsed proxy URL, should not be used directly, instead, see
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157 :class:`urllib3.connectionpool.ProxyManager`"
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158
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159 :param _proxy_headers:
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160 A dictionary with proxy headers, should not be used directly,
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161 instead, see :class:`urllib3.connectionpool.ProxyManager`"
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162
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163 :param \\**conn_kw:
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164 Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`,
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165 :class:`urllib3.connection.HTTPSConnection` instances.
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166 """
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167
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168 scheme = "http"
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169 ConnectionCls = HTTPConnection
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170 ResponseCls = HTTPResponse
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171
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172 def __init__(
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173 self,
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174 host,
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175 port=None,
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176 strict=False,
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177 timeout=Timeout.DEFAULT_TIMEOUT,
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178 maxsize=1,
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179 block=False,
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180 headers=None,
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181 retries=None,
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182 _proxy=None,
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183 _proxy_headers=None,
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184 **conn_kw
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185 ):
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186 ConnectionPool.__init__(self, host, port)
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187 RequestMethods.__init__(self, headers)
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188
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189 self.strict = strict
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190
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191 if not isinstance(timeout, Timeout):
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192 timeout = Timeout.from_float(timeout)
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193
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194 if retries is None:
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195 retries = Retry.DEFAULT
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196
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197 self.timeout = timeout
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198 self.retries = retries
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199
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200 self.pool = self.QueueCls(maxsize)
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201 self.block = block
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202
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203 self.proxy = _proxy
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204 self.proxy_headers = _proxy_headers or {}
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205
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206 # Fill the queue up so that doing get() on it will block properly
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207 for _ in xrange(maxsize):
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208 self.pool.put(None)
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209
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210 # These are mostly for testing and debugging purposes.
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211 self.num_connections = 0
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212 self.num_requests = 0
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213 self.conn_kw = conn_kw
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214
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215 if self.proxy:
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216 # Enable Nagle's algorithm for proxies, to avoid packet fragmentation.
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217 # We cannot know if the user has added default socket options, so we cannot replace the
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218 # list.
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219 self.conn_kw.setdefault("socket_options", [])
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220
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221 def _new_conn(self):
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222 """
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223 Return a fresh :class:`HTTPConnection`.
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224 """
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225 self.num_connections += 1
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226 log.debug(
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227 "Starting new HTTP connection (%d): %s:%s",
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228 self.num_connections,
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229 self.host,
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230 self.port or "80",
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231 )
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232
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233 conn = self.ConnectionCls(
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234 host=self.host,
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235 port=self.port,
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236 timeout=self.timeout.connect_timeout,
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237 strict=self.strict,
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238 **self.conn_kw
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239 )
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240 return conn
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241
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242 def _get_conn(self, timeout=None):
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243 """
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244 Get a connection. Will return a pooled connection if one is available.
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245
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246 If no connections are available and :prop:`.block` is ``False``, then a
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247 fresh connection is returned.
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248
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249 :param timeout:
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250 Seconds to wait before giving up and raising
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251 :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and
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252 :prop:`.block` is ``True``.
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253 """
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254 conn = None
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255 try:
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256 conn = self.pool.get(block=self.block, timeout=timeout)
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257
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258 except AttributeError: # self.pool is None
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259 raise ClosedPoolError(self, "Pool is closed.")
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260
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261 except queue.Empty:
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262 if self.block:
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263 raise EmptyPoolError(
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264 self,
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265 "Pool reached maximum size and no more connections are allowed.",
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266 )
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267 pass # Oh well, we'll create a new connection then
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268
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269 # If this is a persistent connection, check if it got disconnected
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270 if conn and is_connection_dropped(conn):
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271 log.debug("Resetting dropped connection: %s", self.host)
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272 conn.close()
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273 if getattr(conn, "auto_open", 1) == 0:
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274 # This is a proxied connection that has been mutated by
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275 # httplib._tunnel() and cannot be reused (since it would
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276 # attempt to bypass the proxy)
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277 conn = None
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278
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279 return conn or self._new_conn()
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280
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281 def _put_conn(self, conn):
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282 """
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283 Put a connection back into the pool.
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284
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285 :param conn:
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286 Connection object for the current host and port as returned by
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287 :meth:`._new_conn` or :meth:`._get_conn`.
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288
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289 If the pool is already full, the connection is closed and discarded
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290 because we exceeded maxsize. If connections are discarded frequently,
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291 then maxsize should be increased.
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292
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293 If the pool is closed, then the connection will be closed and discarded.
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294 """
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295 try:
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296 self.pool.put(conn, block=False)
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297 return # Everything is dandy, done.
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298 except AttributeError:
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299 # self.pool is None.
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300 pass
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301 except queue.Full:
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302 # This should never happen if self.block == True
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303 log.warning("Connection pool is full, discarding connection: %s", self.host)
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304
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305 # Connection never got put back into the pool, close it.
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306 if conn:
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307 conn.close()
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308
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309 def _validate_conn(self, conn):
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310 """
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311 Called right before a request is made, after the socket is created.
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312 """
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313 pass
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314
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315 def _prepare_proxy(self, conn):
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316 # Nothing to do for HTTP connections.
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317 pass
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318
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319 def _get_timeout(self, timeout):
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320 """ Helper that always returns a :class:`urllib3.util.Timeout` """
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321 if timeout is _Default:
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322 return self.timeout.clone()
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323
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324 if isinstance(timeout, Timeout):
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325 return timeout.clone()
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326 else:
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327 # User passed us an int/float. This is for backwards compatibility,
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328 # can be removed later
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329 return Timeout.from_float(timeout)
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330
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331 def _raise_timeout(self, err, url, timeout_value):
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332 """Is the error actually a timeout? Will raise a ReadTimeout or pass"""
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333
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334 if isinstance(err, SocketTimeout):
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335 raise ReadTimeoutError(
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336 self, url, "Read timed out. (read timeout=%s)" % timeout_value
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337 )
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338
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339 # See the above comment about EAGAIN in Python 3. In Python 2 we have
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340 # to specifically catch it and throw the timeout error
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341 if hasattr(err, "errno") and err.errno in _blocking_errnos:
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342 raise ReadTimeoutError(
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343 self, url, "Read timed out. (read timeout=%s)" % timeout_value
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344 )
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345
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346 # Catch possible read timeouts thrown as SSL errors. If not the
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347 # case, rethrow the original. We need to do this because of:
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348 # http://bugs.python.org/issue10272
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349 if "timed out" in str(err) or "did not complete (read)" in str(
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350 err
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351 ): # Python < 2.7.4
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352 raise ReadTimeoutError(
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353 self, url, "Read timed out. (read timeout=%s)" % timeout_value
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354 )
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355
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356 def _make_request(
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357 self, conn, method, url, timeout=_Default, chunked=False, **httplib_request_kw
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358 ):
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359 """
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360 Perform a request on a given urllib connection object taken from our
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361 pool.
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362
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363 :param conn:
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364 a connection from one of our connection pools
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365
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366 :param timeout:
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367 Socket timeout in seconds for the request. This can be a
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368 float or integer, which will set the same timeout value for
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369 the socket connect and the socket read, or an instance of
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370 :class:`urllib3.util.Timeout`, which gives you more fine-grained
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371 control over your timeouts.
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372 """
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373 self.num_requests += 1
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374
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375 timeout_obj = self._get_timeout(timeout)
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376 timeout_obj.start_connect()
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377 conn.timeout = timeout_obj.connect_timeout
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378
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379 # Trigger any extra validation we need to do.
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380 try:
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381 self._validate_conn(conn)
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382 except (SocketTimeout, BaseSSLError) as e:
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383 # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout.
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384 self._raise_timeout(err=e, url=url, timeout_value=conn.timeout)
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385 raise
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386
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387 # conn.request() calls httplib.*.request, not the method in
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388 # urllib3.request. It also calls makefile (recv) on the socket.
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389 if chunked:
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390 conn.request_chunked(method, url, **httplib_request_kw)
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391 else:
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392 conn.request(method, url, **httplib_request_kw)
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diff changeset
393
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
394 # Reset the timeout for the recv() on the socket
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
395 read_timeout = timeout_obj.read_timeout
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
396
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
397 # App Engine doesn't have a sock attr
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
398 if getattr(conn, "sock", None):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
399 # In Python 3 socket.py will catch EAGAIN and return None when you
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
400 # try and read into the file pointer created by http.client, which
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
401 # instead raises a BadStatusLine exception. Instead of catching
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
402 # the exception and assuming all BadStatusLine exceptions are read
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
403 # timeouts, check for a zero timeout before making the request.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
404 if read_timeout == 0:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
405 raise ReadTimeoutError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
406 self, url, "Read timed out. (read timeout=%s)" % read_timeout
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
407 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
408 if read_timeout is Timeout.DEFAULT_TIMEOUT:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
409 conn.sock.settimeout(socket.getdefaulttimeout())
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
410 else: # None or a value
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
411 conn.sock.settimeout(read_timeout)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
412
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
413 # Receive the response from the server
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
414 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
415 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
416 # Python 2.7, use buffering of HTTP responses
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
417 httplib_response = conn.getresponse(buffering=True)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
418 except TypeError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
419 # Python 3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
420 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
421 httplib_response = conn.getresponse()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
422 except BaseException as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
423 # Remove the TypeError from the exception chain in
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
424 # Python 3 (including for exceptions like SystemExit).
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
425 # Otherwise it looks like a bug in the code.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
426 six.raise_from(e, None)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
427 except (SocketTimeout, BaseSSLError, SocketError) as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
428 self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
429 raise
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
430
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
431 # AppEngine doesn't have a version attr.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
432 http_version = getattr(conn, "_http_vsn_str", "HTTP/?")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
433 log.debug(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
434 '%s://%s:%s "%s %s %s" %s %s',
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
435 self.scheme,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
436 self.host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
437 self.port,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
438 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
439 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
440 http_version,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
441 httplib_response.status,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
442 httplib_response.length,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
443 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
444
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
445 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
446 assert_header_parsing(httplib_response.msg)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
447 except (HeaderParsingError, TypeError) as hpe: # Platform-specific: Python 3
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
448 log.warning(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
449 "Failed to parse headers (url=%s): %s",
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
450 self._absolute_url(url),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
451 hpe,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
452 exc_info=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
453 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
454
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
455 return httplib_response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
456
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
457 def _absolute_url(self, path):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
458 return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
459
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
460 def close(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
461 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
462 Close all pooled connections and disable the pool.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
463 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
464 if self.pool is None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
465 return
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
466 # Disable access to the pool
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
467 old_pool, self.pool = self.pool, None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
468
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
469 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
470 while True:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
471 conn = old_pool.get(block=False)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
472 if conn:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
473 conn.close()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
474
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
475 except queue.Empty:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
476 pass # Done.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
477
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
478 def is_same_host(self, url):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
479 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
480 Check if the given ``url`` is a member of the same host as this
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
481 connection pool.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
482 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
483 if url.startswith("/"):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
484 return True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
485
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
486 # TODO: Add optional support for socket.gethostbyname checking.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
487 scheme, host, port = get_host(url)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
488 if host is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
489 host = _normalize_host(host, scheme=scheme)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
490
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
491 # Use explicit default port for comparison when none is given
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
492 if self.port and not port:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
493 port = port_by_scheme.get(scheme)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
494 elif not self.port and port == port_by_scheme.get(scheme):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
495 port = None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
496
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
497 return (scheme, host, port) == (self.scheme, self.host, self.port)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
498
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
499 def urlopen(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
500 self,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
501 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
502 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
503 body=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
504 headers=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
505 retries=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
506 redirect=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
507 assert_same_host=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
508 timeout=_Default,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
509 pool_timeout=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
510 release_conn=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
511 chunked=False,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
512 body_pos=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
513 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
514 ):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
515 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
516 Get a connection from the pool and perform an HTTP request. This is the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
517 lowest level call for making a request, so you'll need to specify all
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
518 the raw details.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
519
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
520 .. note::
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
521
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
522 More commonly, it's appropriate to use a convenience method provided
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
523 by :class:`.RequestMethods`, such as :meth:`request`.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
524
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
525 .. note::
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526
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527 `release_conn` will only behave as expected if
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528 `preload_content=False` because we want to make
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529 `preload_content=False` the default behaviour someday soon without
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530 breaking backwards compatibility.
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531
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532 :param method:
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533 HTTP request method (such as GET, POST, PUT, etc.)
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534
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535 :param body:
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536 Data to send in the request body (useful for creating
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537 POST requests, see HTTPConnectionPool.post_url for
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538 more convenience).
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539
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540 :param headers:
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541 Dictionary of custom headers to send, such as User-Agent,
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542 If-None-Match, etc. If None, pool headers are used. If provided,
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543 these headers completely replace any pool-specific headers.
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544
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545 :param retries:
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546 Configure the number of retries to allow before raising a
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547 :class:`~urllib3.exceptions.MaxRetryError` exception.
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548
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549 Pass ``None`` to retry until you receive a response. Pass a
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550 :class:`~urllib3.util.retry.Retry` object for fine-grained control
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551 over different types of retries.
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552 Pass an integer number to retry connection errors that many times,
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553 but no other types of errors. Pass zero to never retry.
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554
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555 If ``False``, then retries are disabled and any exception is raised
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556 immediately. Also, instead of raising a MaxRetryError on redirects,
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557 the redirect response will be returned.
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558
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559 :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int.
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560
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561 :param redirect:
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562 If True, automatically handle redirects (status codes 301, 302,
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563 303, 307, 308). Each redirect counts as a retry. Disabling retries
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564 will disable redirect, too.
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565
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566 :param assert_same_host:
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567 If ``True``, will make sure that the host of the pool requests is
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568 consistent else will raise HostChangedError. When False, you can
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569 use the pool on an HTTP proxy and request foreign hosts.
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570
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571 :param timeout:
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572 If specified, overrides the default timeout for this one
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573 request. It may be a float (in seconds) or an instance of
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574 :class:`urllib3.util.Timeout`.
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575
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576 :param pool_timeout:
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577 If set and the pool is set to block=True, then this method will
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578 block for ``pool_timeout`` seconds and raise EmptyPoolError if no
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579 connection is available within the time period.
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580
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581 :param release_conn:
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582 If False, then the urlopen call will not release the connection
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583 back into the pool once a response is received (but will release if
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584 you read the entire contents of the response such as when
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585 `preload_content=True`). This is useful if you're not preloading
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586 the response's content immediately. You will need to call
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587 ``r.release_conn()`` on the response ``r`` to return the connection
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588 back into the pool. If None, it takes the value of
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589 ``response_kw.get('preload_content', True)``.
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590
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591 :param chunked:
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592 If True, urllib3 will send the body using chunked transfer
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593 encoding. Otherwise, urllib3 will send the body using the standard
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594 content-length form. Defaults to False.
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595
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596 :param int body_pos:
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597 Position to seek to in file-like body in the event of a retry or
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598 redirect. Typically this won't need to be set because urllib3 will
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599 auto-populate the value when needed.
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600
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601 :param \\**response_kw:
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602 Additional parameters are passed to
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603 :meth:`urllib3.response.HTTPResponse.from_httplib`
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604 """
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605 if headers is None:
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606 headers = self.headers
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607
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608 if not isinstance(retries, Retry):
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609 retries = Retry.from_int(retries, redirect=redirect, default=self.retries)
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610
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611 if release_conn is None:
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612 release_conn = response_kw.get("preload_content", True)
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613
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614 # Check host
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615 if assert_same_host and not self.is_same_host(url):
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616 raise HostChangedError(self, url, retries)
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617
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618 # Ensure that the URL we're connecting to is properly encoded
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619 if url.startswith("/"):
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620 url = six.ensure_str(_encode_target(url))
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621 else:
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622 url = six.ensure_str(parse_url(url).url)
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623
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624 conn = None
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625
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626 # Track whether `conn` needs to be released before
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627 # returning/raising/recursing. Update this variable if necessary, and
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628 # leave `release_conn` constant throughout the function. That way, if
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629 # the function recurses, the original value of `release_conn` will be
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630 # passed down into the recursive call, and its value will be respected.
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631 #
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632 # See issue #651 [1] for details.
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633 #
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634 # [1] <https://github.com/urllib3/urllib3/issues/651>
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635 release_this_conn = release_conn
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636
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637 # Merge the proxy headers. Only do this in HTTP. We have to copy the
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638 # headers dict so we can safely change it without those changes being
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639 # reflected in anyone else's copy.
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640 if self.scheme == "http":
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641 headers = headers.copy()
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642 headers.update(self.proxy_headers)
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643
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644 # Must keep the exception bound to a separate variable or else Python 3
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645 # complains about UnboundLocalError.
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646 err = None
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647
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648 # Keep track of whether we cleanly exited the except block. This
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649 # ensures we do proper cleanup in finally.
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650 clean_exit = False
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651
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652 # Rewind body position, if needed. Record current position
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
653 # for future rewinds in the event of a redirect/retry.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
654 body_pos = set_file_position(body, body_pos)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
655
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
656 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
657 # Request a connection from the queue.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
658 timeout_obj = self._get_timeout(timeout)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
659 conn = self._get_conn(timeout=pool_timeout)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
660
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
661 conn.timeout = timeout_obj.connect_timeout
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
662
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
663 is_new_proxy_conn = self.proxy is not None and not getattr(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
664 conn, "sock", None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
665 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
666 if is_new_proxy_conn:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
667 self._prepare_proxy(conn)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
668
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
669 # Make the request on the httplib connection object.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
670 httplib_response = self._make_request(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
671 conn,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
672 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
673 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
674 timeout=timeout_obj,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
675 body=body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
676 headers=headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
677 chunked=chunked,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
678 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
679
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
680 # If we're going to release the connection in ``finally:``, then
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
681 # the response doesn't need to know about the connection. Otherwise
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
682 # it will also try to release it and we'll have a double-release
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
683 # mess.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
684 response_conn = conn if not release_conn else None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
685
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
686 # Pass method to Response for length checking
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
687 response_kw["request_method"] = method
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
688
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
689 # Import httplib's response into our own wrapper object
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
690 response = self.ResponseCls.from_httplib(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
691 httplib_response,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
692 pool=self,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
693 connection=response_conn,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
694 retries=retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
695 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
696 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
697
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
698 # Everything went great!
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
699 clean_exit = True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
700
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
701 except queue.Empty:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
702 # Timed out by queue.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
703 raise EmptyPoolError(self, "No pool connections are available.")
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
704
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
705 except (
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
706 TimeoutError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
707 HTTPException,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
708 SocketError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
709 ProtocolError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
710 BaseSSLError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
711 SSLError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
712 CertificateError,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
713 ) as e:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
714 # Discard the connection for these exceptions. It will be
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
715 # replaced during the next _get_conn() call.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
716 clean_exit = False
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
717 if isinstance(e, (BaseSSLError, CertificateError)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
718 e = SSLError(e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
719 elif isinstance(e, (SocketError, NewConnectionError)) and self.proxy:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
720 e = ProxyError("Cannot connect to proxy.", e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
721 elif isinstance(e, (SocketError, HTTPException)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
722 e = ProtocolError("Connection aborted.", e)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
723
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
724 retries = retries.increment(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
725 method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
726 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
727 retries.sleep()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
728
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
729 # Keep track of the error for the retry warning.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
730 err = e
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
731
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
732 finally:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
733 if not clean_exit:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
734 # We hit some kind of exception, handled or otherwise. We need
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
735 # to throw the connection away unless explicitly told not to.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
736 # Close the connection, set the variable to None, and make sure
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
737 # we put the None back in the pool to avoid leaking it.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
738 conn = conn and conn.close()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
739 release_this_conn = True
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
740
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
741 if release_this_conn:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
742 # Put the connection back to be reused. If the connection is
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
743 # expired then it will be None, which will get replaced with a
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
744 # fresh connection during _get_conn.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
745 self._put_conn(conn)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
746
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
747 if not conn:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
748 # Try again
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
749 log.warning(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
750 "Retrying (%r) after connection broken by '%r': %s", retries, err, url
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
751 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
752 return self.urlopen(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
753 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
754 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
755 body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
756 headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
757 retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
758 redirect,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
759 assert_same_host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
760 timeout=timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
761 pool_timeout=pool_timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
762 release_conn=release_conn,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
763 chunked=chunked,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
764 body_pos=body_pos,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
765 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
766 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
767
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
768 # Handle redirect?
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
769 redirect_location = redirect and response.get_redirect_location()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
770 if redirect_location:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
771 if response.status == 303:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
772 method = "GET"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
773
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
774 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
775 retries = retries.increment(method, url, response=response, _pool=self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
776 except MaxRetryError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
777 if retries.raise_on_redirect:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
778 response.drain_conn()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
779 raise
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
780 return response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
781
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
782 response.drain_conn()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
783 retries.sleep_for_retry(response)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
784 log.debug("Redirecting %s -> %s", url, redirect_location)
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shellac
parents:
diff changeset
785 return self.urlopen(
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shellac
parents:
diff changeset
786 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
787 redirect_location,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
788 body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
789 headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
790 retries=retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
791 redirect=redirect,
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shellac
parents:
diff changeset
792 assert_same_host=assert_same_host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
793 timeout=timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
794 pool_timeout=pool_timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
795 release_conn=release_conn,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
796 chunked=chunked,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
797 body_pos=body_pos,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
798 **response_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
799 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
800
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
801 # Check if we should retry the HTTP response.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
802 has_retry_after = bool(response.getheader("Retry-After"))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
803 if retries.is_retry(method, response.status, has_retry_after):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
804 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
805 retries = retries.increment(method, url, response=response, _pool=self)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
806 except MaxRetryError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
807 if retries.raise_on_status:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
808 response.drain_conn()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
809 raise
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
810 return response
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
811
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parents:
diff changeset
812 response.drain_conn()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
813 retries.sleep(response)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
814 log.debug("Retry: %s", url)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
815 return self.urlopen(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
816 method,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
817 url,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
818 body,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
819 headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
820 retries=retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
821 redirect=redirect,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
822 assert_same_host=assert_same_host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
823 timeout=timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
824 pool_timeout=pool_timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
825 release_conn=release_conn,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
826 chunked=chunked,
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parents:
diff changeset
827 body_pos=body_pos,
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parents:
diff changeset
828 **response_kw
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parents:
diff changeset
829 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
830
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parents:
diff changeset
831 return response
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parents:
diff changeset
832
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
833
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
834 class HTTPSConnectionPool(HTTPConnectionPool):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
835 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
836 Same as :class:`.HTTPConnectionPool`, but HTTPS.
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parents:
diff changeset
837
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
838 When Python is compiled with the :mod:`ssl` module, then
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
839 :class:`.VerifiedHTTPSConnection` is used, which *can* verify certificates,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
840 instead of :class:`.HTTPSConnection`.
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diff changeset
841
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parents:
diff changeset
842 :class:`.VerifiedHTTPSConnection` uses one of ``assert_fingerprint``,
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parents:
diff changeset
843 ``assert_hostname`` and ``host`` in this order to verify connections.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
844 If ``assert_hostname`` is False, no verification is done.
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parents:
diff changeset
845
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parents:
diff changeset
846 The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
847 ``ca_cert_dir``, ``ssl_version``, ``key_password`` are only used if :mod:`ssl`
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
848 is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade
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parents:
diff changeset
849 the connection socket into an SSL socket.
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parents:
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850 """
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parents:
diff changeset
851
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parents:
diff changeset
852 scheme = "https"
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parents:
diff changeset
853 ConnectionCls = HTTPSConnection
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parents:
diff changeset
854
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parents:
diff changeset
855 def __init__(
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parents:
diff changeset
856 self,
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parents:
diff changeset
857 host,
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shellac
parents:
diff changeset
858 port=None,
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parents:
diff changeset
859 strict=False,
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shellac
parents:
diff changeset
860 timeout=Timeout.DEFAULT_TIMEOUT,
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shellac
parents:
diff changeset
861 maxsize=1,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
862 block=False,
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shellac
parents:
diff changeset
863 headers=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
864 retries=None,
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shellac
parents:
diff changeset
865 _proxy=None,
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shellac
parents:
diff changeset
866 _proxy_headers=None,
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shellac
parents:
diff changeset
867 key_file=None,
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parents:
diff changeset
868 cert_file=None,
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shellac
parents:
diff changeset
869 cert_reqs=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
870 key_password=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
871 ca_certs=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
872 ssl_version=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
873 assert_hostname=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
874 assert_fingerprint=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
875 ca_cert_dir=None,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
876 **conn_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
877 ):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
878
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
879 HTTPConnectionPool.__init__(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
880 self,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
881 host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
882 port,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
883 strict,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
884 timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
885 maxsize,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
886 block,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
887 headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
888 retries,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
889 _proxy,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
890 _proxy_headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
891 **conn_kw
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
892 )
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parents:
diff changeset
893
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shellac
parents:
diff changeset
894 self.key_file = key_file
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parents:
diff changeset
895 self.cert_file = cert_file
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shellac
parents:
diff changeset
896 self.cert_reqs = cert_reqs
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shellac
parents:
diff changeset
897 self.key_password = key_password
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shellac
parents:
diff changeset
898 self.ca_certs = ca_certs
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
899 self.ca_cert_dir = ca_cert_dir
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
900 self.ssl_version = ssl_version
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
901 self.assert_hostname = assert_hostname
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shellac
parents:
diff changeset
902 self.assert_fingerprint = assert_fingerprint
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parents:
diff changeset
903
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parents:
diff changeset
904 def _prepare_conn(self, conn):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
905 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
906 Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket`
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
907 and establish the tunnel if proxy is used.
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parents:
diff changeset
908 """
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shellac
parents:
diff changeset
909
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parents:
diff changeset
910 if isinstance(conn, VerifiedHTTPSConnection):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
911 conn.set_cert(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
912 key_file=self.key_file,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
913 key_password=self.key_password,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
914 cert_file=self.cert_file,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
915 cert_reqs=self.cert_reqs,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
916 ca_certs=self.ca_certs,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
917 ca_cert_dir=self.ca_cert_dir,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
918 assert_hostname=self.assert_hostname,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
919 assert_fingerprint=self.assert_fingerprint,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
920 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
921 conn.ssl_version = self.ssl_version
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
922 return conn
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
923
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
924 def _prepare_proxy(self, conn):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
925 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
926 Establish tunnel connection early, because otherwise httplib
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
927 would improperly set Host: header to proxy's IP:port.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
928 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
929 conn.set_tunnel(self._proxy_host, self.port, self.proxy_headers)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
930 conn.connect()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
931
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
932 def _new_conn(self):
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parents:
diff changeset
933 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
934 Return a fresh :class:`httplib.HTTPSConnection`.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
935 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
936 self.num_connections += 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
937 log.debug(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
938 "Starting new HTTPS connection (%d): %s:%s",
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
939 self.num_connections,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
940 self.host,
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parents:
diff changeset
941 self.port or "443",
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parents:
diff changeset
942 )
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parents:
diff changeset
943
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shellac
parents:
diff changeset
944 if not self.ConnectionCls or self.ConnectionCls is DummyConnection:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
945 raise SSLError(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
946 "Can't connect to HTTPS URL because the SSL module is not available."
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
947 )
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shellac
parents:
diff changeset
948
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shellac
parents:
diff changeset
949 actual_host = self.host
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shellac
parents:
diff changeset
950 actual_port = self.port
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
951 if self.proxy is not None:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
952 actual_host = self.proxy.host
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parents:
diff changeset
953 actual_port = self.proxy.port
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
954
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
955 conn = self.ConnectionCls(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
956 host=actual_host,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
957 port=actual_port,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
958 timeout=self.timeout.connect_timeout,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
959 strict=self.strict,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
960 cert_file=self.cert_file,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
961 key_file=self.key_file,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
962 key_password=self.key_password,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
963 **self.conn_kw
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parents:
diff changeset
964 )
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parents:
diff changeset
965
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
966 return self._prepare_conn(conn)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
967
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parents:
diff changeset
968 def _validate_conn(self, conn):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
969 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
970 Called right before a request is made, after the socket is created.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
971 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
972 super(HTTPSConnectionPool, self)._validate_conn(conn)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
973
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
974 # Force connect early to allow us to validate the connection.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
975 if not getattr(conn, "sock", None): # AppEngine might not have `.sock`
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
976 conn.connect()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
977
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
978 if not conn.is_verified:
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shellac
parents:
diff changeset
979 warnings.warn(
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
980 (
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
981 "Unverified HTTPS request is being made to host '%s'. "
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
982 "Adding certificate verification is strongly advised. See: "
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
983 "https://urllib3.readthedocs.io/en/latest/advanced-usage.html"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
984 "#ssl-warnings" % conn.host
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
985 ),
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
986 InsecureRequestWarning,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
987 )
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
988
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
989
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
990 def connection_from_url(url, **kw):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
991 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
992 Given a url, return an :class:`.ConnectionPool` instance of its host.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
993
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
994 This is a shortcut for not having to parse out the scheme, host, and port
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
995 of the url before creating an :class:`.ConnectionPool` instance.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
996
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
997 :param url:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
998 Absolute URL string that must include the scheme. Port is optional.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
999
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1000 :param \\**kw:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1001 Passes additional parameters to the constructor of the appropriate
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1002 :class:`.ConnectionPool`. Useful for specifying things like
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1003 timeout, maxsize, headers, etc.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1004
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1005 Example::
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1006
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1007 >>> conn = connection_from_url('http://google.com/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1008 >>> r = conn.request('GET', '/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1009 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1010 scheme, host, port = get_host(url)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1011 port = port or port_by_scheme.get(scheme, 80)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1012 if scheme == "https":
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1013 return HTTPSConnectionPool(host, port=port, **kw)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1014 else:
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parents:
diff changeset
1015 return HTTPConnectionPool(host, port=port, **kw)
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parents:
diff changeset
1016
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1017
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parents:
diff changeset
1018 def _normalize_host(host, scheme):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1019 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1020 Normalize hosts for comparisons and use with sockets.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1021 """
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parents:
diff changeset
1022
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1023 host = normalize_host(host, scheme)
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shellac
parents:
diff changeset
1024
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
1025 # httplib doesn't like it when we include brackets in IPv6 addresses
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1026 # Specifically, if we include brackets but also pass the port then
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1027 # httplib crazily doubles up the square brackets on the Host header.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1028 # Instead, we need to make sure we never pass ``None`` as the port.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1029 # However, for backward compatibility reasons we can't actually
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1030 # *assert* that. See http://bugs.python.org/issue28539
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
1031 if host.startswith("[") and host.endswith("]"):
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shellac
parents:
diff changeset
1032 host = host[1:-1]
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parents:
diff changeset
1033 return host