Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/urllib3/exceptions.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
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1 from __future__ import absolute_import
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2 from .packages.six.moves.http_client import IncompleteRead as httplib_IncompleteRead
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3
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4 # Base Exceptions
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5
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6
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7 class HTTPError(Exception):
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8 "Base exception used by this module."
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9 pass
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12 class HTTPWarning(Warning):
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13 "Base warning used by this module."
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14 pass
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16
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17 class PoolError(HTTPError):
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18 "Base exception for errors caused within a pool."
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19
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20 def __init__(self, pool, message):
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21 self.pool = pool
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22 HTTPError.__init__(self, "%s: %s" % (pool, message))
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23
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24 def __reduce__(self):
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25 # For pickling purposes.
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26 return self.__class__, (None, None)
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28
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29 class RequestError(PoolError):
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30 "Base exception for PoolErrors that have associated URLs."
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31
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32 def __init__(self, pool, url, message):
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33 self.url = url
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34 PoolError.__init__(self, pool, message)
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35
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36 def __reduce__(self):
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37 # For pickling purposes.
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38 return self.__class__, (None, self.url, None)
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39
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40
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41 class SSLError(HTTPError):
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42 "Raised when SSL certificate fails in an HTTPS connection."
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43 pass
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45
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46 class ProxyError(HTTPError):
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47 "Raised when the connection to a proxy fails."
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48
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49 def __init__(self, message, error, *args):
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50 super(ProxyError, self).__init__(message, error, *args)
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51 self.original_error = error
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52
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53
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54 class DecodeError(HTTPError):
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55 "Raised when automatic decoding based on Content-Type fails."
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56 pass
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58
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59 class ProtocolError(HTTPError):
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60 "Raised when something unexpected happens mid-request/response."
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61 pass
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63
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64 #: Renamed to ProtocolError but aliased for backwards compatibility.
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65 ConnectionError = ProtocolError
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66
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67
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68 # Leaf Exceptions
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69
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70
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71 class MaxRetryError(RequestError):
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72 """Raised when the maximum number of retries is exceeded.
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73
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74 :param pool: The connection pool
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75 :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
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76 :param string url: The requested Url
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77 :param exceptions.Exception reason: The underlying error
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78
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79 """
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80
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81 def __init__(self, pool, url, reason=None):
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82 self.reason = reason
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83
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84 message = "Max retries exceeded with url: %s (Caused by %r)" % (url, reason)
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85
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86 RequestError.__init__(self, pool, url, message)
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87
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88
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89 class HostChangedError(RequestError):
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90 "Raised when an existing pool gets a request for a foreign host."
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91
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92 def __init__(self, pool, url, retries=3):
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93 message = "Tried to open a foreign host with url: %s" % url
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94 RequestError.__init__(self, pool, url, message)
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95 self.retries = retries
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96
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97
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98 class TimeoutStateError(HTTPError):
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99 """ Raised when passing an invalid state to a timeout """
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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 class TimeoutError(HTTPError):
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105 """ Raised when a socket timeout error occurs.
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106
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107 Catching this error will catch both :exc:`ReadTimeoutErrors
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108 <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
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109 """
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110
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111 pass
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112
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113
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114 class ReadTimeoutError(TimeoutError, RequestError):
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115 "Raised when a socket timeout occurs while receiving data from a server"
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116 pass
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117
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118
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119 # This timeout error does not have a URL attached and needs to inherit from the
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120 # base HTTPError
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121 class ConnectTimeoutError(TimeoutError):
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122 "Raised when a socket timeout occurs while connecting to a server"
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123 pass
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124
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125
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126 class NewConnectionError(ConnectTimeoutError, PoolError):
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127 "Raised when we fail to establish a new connection. Usually ECONNREFUSED."
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128 pass
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129
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130
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131 class EmptyPoolError(PoolError):
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132 "Raised when a pool runs out of connections and no more are allowed."
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133 pass
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134
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135
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136 class ClosedPoolError(PoolError):
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137 "Raised when a request enters a pool after the pool has been closed."
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138 pass
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139
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140
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141 class LocationValueError(ValueError, HTTPError):
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142 "Raised when there is something wrong with a given URL input."
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143 pass
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144
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145
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146 class LocationParseError(LocationValueError):
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147 "Raised when get_host or similar fails to parse the URL input."
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148
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149 def __init__(self, location):
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150 message = "Failed to parse: %s" % location
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151 HTTPError.__init__(self, message)
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152
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153 self.location = location
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154
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155
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156 class ResponseError(HTTPError):
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157 "Used as a container for an error reason supplied in a MaxRetryError."
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158 GENERIC_ERROR = "too many error responses"
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159 SPECIFIC_ERROR = "too many {status_code} error responses"
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160
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161
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162 class SecurityWarning(HTTPWarning):
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163 "Warned when performing security reducing actions"
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164 pass
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165
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166
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167 class SubjectAltNameWarning(SecurityWarning):
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168 "Warned when connecting to a host with a certificate missing a SAN."
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169 pass
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170
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171
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172 class InsecureRequestWarning(SecurityWarning):
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173 "Warned when making an unverified HTTPS request."
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174 pass
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175
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176
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177 class SystemTimeWarning(SecurityWarning):
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178 "Warned when system time is suspected to be wrong"
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179 pass
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180
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181
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182 class InsecurePlatformWarning(SecurityWarning):
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183 "Warned when certain SSL configuration is not available on a platform."
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184 pass
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185
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186
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187 class SNIMissingWarning(HTTPWarning):
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188 "Warned when making a HTTPS request without SNI available."
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189 pass
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190
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191
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192 class DependencyWarning(HTTPWarning):
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193 """
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194 Warned when an attempt is made to import a module with missing optional
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195 dependencies.
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196 """
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197
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198 pass
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199
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200
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201 class InvalidProxyConfigurationWarning(HTTPWarning):
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202 """
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203 Warned when using an HTTPS proxy and an HTTPS URL. Currently
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204 urllib3 doesn't support HTTPS proxies and the proxy will be
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205 contacted via HTTP instead. This warning can be fixed by
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206 changing your HTTPS proxy URL into an HTTP proxy URL.
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207
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208 If you encounter this warning read this:
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209 https://github.com/urllib3/urllib3/issues/1850
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210 """
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211
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212 pass
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213
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214
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215 class ResponseNotChunked(ProtocolError, ValueError):
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216 "Response needs to be chunked in order to read it as chunks."
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217 pass
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218
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219
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220 class BodyNotHttplibCompatible(HTTPError):
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221 """
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222 Body should be httplib.HTTPResponse like (have an fp attribute which
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223 returns raw chunks) for read_chunked().
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224 """
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225
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226 pass
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227
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228
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229 class IncompleteRead(HTTPError, httplib_IncompleteRead):
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230 """
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231 Response length doesn't match expected Content-Length
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232
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233 Subclass of http_client.IncompleteRead to allow int value
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234 for `partial` to avoid creating large objects on streamed
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235 reads.
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236 """
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237
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238 def __init__(self, partial, expected):
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239 super(IncompleteRead, self).__init__(partial, expected)
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240
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241 def __repr__(self):
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242 return "IncompleteRead(%i bytes read, %i more expected)" % (
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243 self.partial,
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244 self.expected,
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245 )
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246
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247
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248 class InvalidHeader(HTTPError):
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249 "The header provided was somehow invalid."
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250 pass
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251
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252
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253 class ProxySchemeUnknown(AssertionError, ValueError):
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254 "ProxyManager does not support the supplied scheme"
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255 # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
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256
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257 def __init__(self, scheme):
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258 message = "Not supported proxy scheme %s" % scheme
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259 super(ProxySchemeUnknown, self).__init__(message)
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260
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261
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262 class HeaderParsingError(HTTPError):
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263 "Raised by assert_header_parsing, but we convert it to a log.warning statement."
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264
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265 def __init__(self, defects, unparsed_data):
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266 message = "%s, unparsed data: %r" % (defects or "Unknown", unparsed_data)
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267 super(HeaderParsingError, self).__init__(message)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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268
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269
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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270 class UnrewindableBodyError(HTTPError):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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271 "urllib3 encountered an error when trying to rewind a body"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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272 pass