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annotate venv/lib/python2.7/site-packages/requests/packages/urllib3/exceptions.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1
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2 ## Base Exceptions
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3
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4 class HTTPError(Exception):
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5 "Base exception used by this module."
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6 pass
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7
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8 class HTTPWarning(Warning):
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9 "Base warning used by this module."
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10 pass
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14 class PoolError(HTTPError):
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15 "Base exception for errors caused within a pool."
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16 def __init__(self, pool, message):
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17 self.pool = pool
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18 HTTPError.__init__(self, "%s: %s" % (pool, message))
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19
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20 def __reduce__(self):
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21 # For pickling purposes.
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22 return self.__class__, (None, None)
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25 class RequestError(PoolError):
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26 "Base exception for PoolErrors that have associated URLs."
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27 def __init__(self, pool, url, message):
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28 self.url = url
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29 PoolError.__init__(self, pool, message)
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30
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31 def __reduce__(self):
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32 # For pickling purposes.
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33 return self.__class__, (None, self.url, None)
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36 class SSLError(HTTPError):
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37 "Raised when SSL certificate fails in an HTTPS connection."
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38 pass
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41 class ProxyError(HTTPError):
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42 "Raised when the connection to a proxy fails."
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43 pass
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46 class DecodeError(HTTPError):
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47 "Raised when automatic decoding based on Content-Type fails."
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48 pass
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51 class ProtocolError(HTTPError):
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52 "Raised when something unexpected happens mid-request/response."
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53 pass
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56 #: Renamed to ProtocolError but aliased for backwards compatibility.
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57 ConnectionError = ProtocolError
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59
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60 ## Leaf Exceptions
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61
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62 class MaxRetryError(RequestError):
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63 """Raised when the maximum number of retries is exceeded.
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64
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65 :param pool: The connection pool
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66 :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
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67 :param string url: The requested Url
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68 :param exceptions.Exception reason: The underlying error
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69
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70 """
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71
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72 def __init__(self, pool, url, reason=None):
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73 self.reason = reason
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74
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75 message = "Max retries exceeded with url: %s (Caused by %r)" % (
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76 url, reason)
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77
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78 RequestError.__init__(self, pool, url, message)
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79
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80
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81 class HostChangedError(RequestError):
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82 "Raised when an existing pool gets a request for a foreign host."
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83
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84 def __init__(self, pool, url, retries=3):
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85 message = "Tried to open a foreign host with url: %s" % url
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86 RequestError.__init__(self, pool, url, message)
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87 self.retries = retries
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88
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89
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90 class TimeoutStateError(HTTPError):
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91 """ Raised when passing an invalid state to a timeout """
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92 pass
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93
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94
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95 class TimeoutError(HTTPError):
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96 """ Raised when a socket timeout error occurs.
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97
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98 Catching this error will catch both :exc:`ReadTimeoutErrors
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99 <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
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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 ReadTimeoutError(TimeoutError, RequestError):
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105 "Raised when a socket timeout occurs while receiving data from a server"
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106 pass
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107
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108
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109 # This timeout error does not have a URL attached and needs to inherit from the
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110 # base HTTPError
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111 class ConnectTimeoutError(TimeoutError):
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112 "Raised when a socket timeout occurs while connecting to a server"
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113 pass
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114
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115 class NewConnectionError(ConnectTimeoutError, PoolError):
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116 "Raised when we fail to establish a new connection. Usually ECONNREFUSED."
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117 pass
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118
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119 class EmptyPoolError(PoolError):
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120 "Raised when a pool runs out of connections and no more are allowed."
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121 pass
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122
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123
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124 class ClosedPoolError(PoolError):
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125 "Raised when a request enters a pool after the pool has been closed."
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126 pass
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127
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128
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129 class LocationValueError(ValueError, HTTPError):
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130 "Raised when there is something wrong with a given URL input."
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131 pass
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132
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133
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134 class LocationParseError(LocationValueError):
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135 "Raised when get_host or similar fails to parse the URL input."
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136
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137 def __init__(self, location):
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138 message = "Failed to parse: %s" % location
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139 HTTPError.__init__(self, message)
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140
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141 self.location = location
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142
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143
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144 class ResponseError(HTTPError):
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145 "Used as a container for an error reason supplied in a MaxRetryError."
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146 GENERIC_ERROR = 'too many error responses'
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147 SPECIFIC_ERROR = 'too many {status_code} error responses'
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148
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149
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150 class SecurityWarning(HTTPWarning):
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151 "Warned when perfoming security reducing actions"
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152 pass
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153
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154
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155 class SubjectAltNameWarning(SecurityWarning):
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156 "Warned when connecting to a host with a certificate missing a SAN."
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157 pass
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158
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159
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160 class InsecureRequestWarning(SecurityWarning):
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161 "Warned when making an unverified HTTPS request."
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162 pass
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163
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164
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165 class SystemTimeWarning(SecurityWarning):
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166 "Warned when system time is suspected to be wrong"
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167 pass
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168
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169
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170 class InsecurePlatformWarning(SecurityWarning):
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171 "Warned when certain SSL configuration is not available on a platform."
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172 pass
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173
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174
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175 class ResponseNotChunked(ProtocolError, ValueError):
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176 "Response needs to be chunked in order to read it as chunks."
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177 pass
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178
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179
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180 class ProxySchemeUnknown(AssertionError, ValueError):
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181 "ProxyManager does not support the supplied scheme"
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182 # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
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183
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184 def __init__(self, scheme):
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185 message = "Not supported proxy scheme %s" % scheme
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186 super(ProxySchemeUnknown, self).__init__(message)
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187
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188
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189 class HeaderParsingError(HTTPError):
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190 "Raised by assert_header_parsing, but we convert it to a log.warning statement."
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191 def __init__(self, defects, unparsed_data):
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192 message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data)
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193 super(HeaderParsingError, self).__init__(message)