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# Copyright 2013 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
__all__ = ['MessagingException', 'MessagingTimeout', 'MessageDeliveryFailure',
'InvalidTarget', 'MessageUndeliverable']
class MessagingException(Exception):
"""Base class for exceptions."""
class MessagingTimeout(MessagingException):
"""Raised if message sending times out."""
class MessageDeliveryFailure(MessagingException):
"""Raised if message sending failed after the asked retry."""
class InvalidTarget(MessagingException, ValueError):
"""Raised if a target does not meet certain pre-conditions."""
def __init__(self, msg, target):
msg = msg + ":" + str(target)
super(InvalidTarget, self).__init__(msg)
self.target = target
class MessageUndeliverable(Exception):
"""Raised if message is not routed with mandatory flag"""
def __init__(self, exception, exchange, routing_key, message):
super(MessageUndeliverable, self).__init__()
self.exception = exception
self.exchange = exchange
self.routing_key = routing_key
self.message = message
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