Filename: //usr/lib//python3/dist-packages//urllib3//exceptions.py

from __future__ import absolute_import from six.moves.http_client import IncompleteRead as httplib_IncompleteRead # 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.""" def __init__(self, message, error, *args): super(ProxyError, self).__init__(message, error, *args) self.original_error = error 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 URLSchemeUnknown(LocationValueError): """Raised when a URL input has an unsupported scheme.""" def __init__(self, scheme): message = "Not supported URL scheme %s" % scheme super(URLSchemeUnknown, self).__init__(message) self.scheme = scheme 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 performing 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 TLS/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 BodyNotHttplibCompatible(HTTPError): """ Body should be :class:`http.client.HTTPResponse` like (have an fp attribute which returns raw chunks) for read_chunked(). """ pass class IncompleteRead(HTTPError, httplib_IncompleteRead): """ Response length doesn't match expected Content-Length Subclass of :class:`http.client.IncompleteRead` to allow int value for ``partial`` to avoid creating large objects on streamed reads. """ def __init__(self, partial, expected): super(IncompleteRead, self).__init__(partial, expected) def __repr__(self): return "IncompleteRead(%i bytes read, %i more expected)" % ( self.partial, self.expected, ) class InvalidChunkLength(HTTPError, httplib_IncompleteRead): """Invalid chunk length in a chunked response.""" def __init__(self, response, length): super(InvalidChunkLength, self).__init__( response.tell(), response.length_remaining ) self.response = response self.length = length def __repr__(self): return "InvalidChunkLength(got length %r, %i bytes read)" % ( self.length, self.partial, ) class InvalidHeader(HTTPError): """The header provided was somehow invalid.""" pass class ProxySchemeUnknown(AssertionError, URLSchemeUnknown): """ProxyManager does not support the supplied scheme""" # TODO(t-8ch): Stop inheriting from AssertionError in v2.0. def __init__(self, scheme): # 'localhost' is here because our URL parser parses # localhost:8080 -> scheme=localhost, remove if we fix this. if scheme == "localhost": scheme = None if scheme is None: message = "Proxy URL had no scheme, should start with http:// or https://" else: message = ( "Proxy URL had unsupported scheme %s, should use http:// or https://" % scheme ) super(ProxySchemeUnknown, self).__init__(message) class ProxySchemeUnsupported(ValueError): """Fetching HTTPS resources through HTTPS proxies is unsupported""" pass 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) class UnrewindableBodyError(HTTPError): """urllib3 encountered an error when trying to rewind a body""" pass

./Ninja\.