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"""Exceptions."""
from __future__ import absolute_import, unicode_literals
from socket import timeout as TimeoutError # noqa
from amqp import ChannelError, ConnectionError, ResourceError
from kombu.five import python_2_unicode_compatible
__all__ = [
'KombuError', 'OperationalError',
'NotBoundError', 'MessageStateError', 'TimeoutError',
'LimitExceeded', 'ConnectionLimitExceeded',
'ChannelLimitExceeded', 'ConnectionError', 'ChannelError',
'VersionMismatch', 'SerializerNotInstalled', 'ResourceError',
'SerializationError', 'EncodeError', 'DecodeError', 'HttpError',
'InconsistencyError',
]
class KombuError(Exception):
"""Common subclass for all Kombu exceptions."""
class OperationalError(KombuError):
"""Recoverable message transport connection error."""
class SerializationError(KombuError):
"""Failed to serialize/deserialize content."""
class EncodeError(SerializationError):
"""Cannot encode object."""
class DecodeError(SerializationError):
"""Cannot decode object."""
class NotBoundError(KombuError):
"""Trying to call channel dependent method on unbound entity."""
class MessageStateError(KombuError):
"""The message has already been acknowledged."""
class LimitExceeded(KombuError):
"""Limit exceeded."""
class ConnectionLimitExceeded(LimitExceeded):
"""Maximum number of simultaneous connections exceeded."""
class ChannelLimitExceeded(LimitExceeded):
"""Maximum number of simultaneous channels exceeded."""
class VersionMismatch(KombuError):
"""Library dependency version mismatch."""
class SerializerNotInstalled(KombuError):
"""Support for the requested serialization type is not installed."""
class ContentDisallowed(SerializerNotInstalled):
"""Consumer does not allow this content-type."""
class InconsistencyError(ConnectionError):
"""Data or environment has been found to be inconsistent.
Depending on the cause it may be possible to retry the operation.
"""
@python_2_unicode_compatible
class HttpError(Exception):
"""HTTP Client Error."""
def __init__(self, code, message=None, response=None):
self.code = code
self.message = message
self.response = response
super(HttpError, self).__init__(code, message, response)
def __str__(self):
return 'HTTP {0.code}: {0.message}'.format(self)
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