+++ /dev/null
-from __future__ import absolute_import
-# Base Exceptions
-
-
-class HTTPError(Exception):
- "Base exception used by this module."
- pass
-
-
-class HTTPWarning(Warning):
- "Base warning used by this module."
- pass
-
-
-class PoolError(HTTPError):
- "Base exception for errors caused within a pool."
- def __init__(self, pool, message):
- self.pool = pool
- HTTPError.__init__(self, "%s: %s" % (pool, message))
-
- def __reduce__(self):
- # For pickling purposes.
- return self.__class__, (None, None)
-
-
-class RequestError(PoolError):
- "Base exception for PoolErrors that have associated URLs."
- def __init__(self, pool, url, message):
- self.url = url
- PoolError.__init__(self, pool, message)
-
- def __reduce__(self):
- # For pickling purposes.
- return self.__class__, (None, self.url, None)
-
-
-class SSLError(HTTPError):
- "Raised when SSL certificate fails in an HTTPS connection."
- pass
-
-
-class ProxyError(HTTPError):
- "Raised when the connection to a proxy fails."
- pass
-
-
-class DecodeError(HTTPError):
- "Raised when automatic decoding based on Content-Type fails."
- pass
-
-
-class ProtocolError(HTTPError):
- "Raised when something unexpected happens mid-request/response."
- pass
-
-
-#: Renamed to ProtocolError but aliased for backwards compatibility.
-ConnectionError = ProtocolError
-
-
-# Leaf Exceptions
-
-class MaxRetryError(RequestError):
- """Raised when the maximum number of retries is exceeded.
-
- :param pool: The connection pool
- :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool`
- :param string url: The requested Url
- :param exceptions.Exception reason: The underlying error
-
- """
-
- def __init__(self, pool, url, reason=None):
- self.reason = reason
-
- message = "Max retries exceeded with url: %s (Caused by %r)" % (
- url, reason)
-
- RequestError.__init__(self, pool, url, message)
-
-
-class HostChangedError(RequestError):
- "Raised when an existing pool gets a request for a foreign host."
-
- def __init__(self, pool, url, retries=3):
- message = "Tried to open a foreign host with url: %s" % url
- RequestError.__init__(self, pool, url, message)
- self.retries = retries
-
-
-class TimeoutStateError(HTTPError):
- """ Raised when passing an invalid state to a timeout """
- pass
-
-
-class TimeoutError(HTTPError):
- """ Raised when a socket timeout error occurs.
-
- Catching this error will catch both :exc:`ReadTimeoutErrors
- <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
- """
- pass
-
-
-class ReadTimeoutError(TimeoutError, RequestError):
- "Raised when a socket timeout occurs while receiving data from a server"
- pass
-
-
-# This timeout error does not have a URL attached and needs to inherit from the
-# base HTTPError
-class ConnectTimeoutError(TimeoutError):
- "Raised when a socket timeout occurs while connecting to a server"
- pass
-
-
-class NewConnectionError(ConnectTimeoutError, PoolError):
- "Raised when we fail to establish a new connection. Usually ECONNREFUSED."
- pass
-
-
-class EmptyPoolError(PoolError):
- "Raised when a pool runs out of connections and no more are allowed."
- pass
-
-
-class ClosedPoolError(PoolError):
- "Raised when a request enters a pool after the pool has been closed."
- pass
-
-
-class LocationValueError(ValueError, HTTPError):
- "Raised when there is something wrong with a given URL input."
- pass
-
-
-class LocationParseError(LocationValueError):
- "Raised when get_host or similar fails to parse the URL input."
-
- def __init__(self, location):
- message = "Failed to parse: %s" % location
- HTTPError.__init__(self, message)
-
- self.location = location
-
-
-class ResponseError(HTTPError):
- "Used as a container for an error reason supplied in a MaxRetryError."
- GENERIC_ERROR = 'too many error responses'
- SPECIFIC_ERROR = 'too many {status_code} error responses'
-
-
-class SecurityWarning(HTTPWarning):
- "Warned when perfoming security reducing actions"
- pass
-
-
-class SubjectAltNameWarning(SecurityWarning):
- "Warned when connecting to a host with a certificate missing a SAN."
- pass
-
-
-class InsecureRequestWarning(SecurityWarning):
- "Warned when making an unverified HTTPS request."
- pass
-
-
-class SystemTimeWarning(SecurityWarning):
- "Warned when system time is suspected to be wrong"
- pass
-
-
-class InsecurePlatformWarning(SecurityWarning):
- "Warned when certain SSL configuration is not available on a platform."
- pass
-
-
-class SNIMissingWarning(HTTPWarning):
- "Warned when making a HTTPS request without SNI available."
- pass
-
-
-class DependencyWarning(HTTPWarning):
- """
- Warned when an attempt is made to import a module with missing optional
- dependencies.
- """
- pass
-
-
-class ResponseNotChunked(ProtocolError, ValueError):
- "Response needs to be chunked in order to read it as chunks."
- pass
-
-
-class ProxySchemeUnknown(AssertionError, ValueError):
- "ProxyManager does not support the supplied scheme"
- # TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
-
- def __init__(self, scheme):
- message = "Not supported proxy scheme %s" % scheme
- super(ProxySchemeUnknown, self).__init__(message)
-
-
-class HeaderParsingError(HTTPError):
- "Raised by assert_header_parsing, but we convert it to a log.warning statement."
- def __init__(self, defects, unparsed_data):
- message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data)
- super(HeaderParsingError, self).__init__(message)
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