zaqar/marconi/proxy/storage/exceptions.py
Chang Bo Guo 683206d237 Follow hacking rules about import
This patch follows the rules about import in HACKING.rst
https://github.com/openstack/marconi/blob/master/HACKING.rst#imports

* reorder imports
* Add missing blank lines before code

Change-Id: I4abcfb3a2640499c5df34cbf75b5eaecb3d19823
2013-10-11 20:06:35 -07:00

43 lines
1.3 KiB
Python

# Copyright (c) 2013 Rackspace Hosting, 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.
"""These are the exceptions that the proxy storage layer can raise."""
class NotFound(Exception):
pass
class EntryNotFound(NotFound):
"""An exception thrown when a catalogue entry is expected
but not found.
"""
def __init__(self, project, queue):
msg = 'Catalogue entry {project}.{queue} was not found'.format(
project=project, queue=queue
)
super(EntryNotFound, self).__init__(msg)
class PartitionNotFound(NotFound):
"""An exception thrown when a partition is expected
but not found.
"""
def __init__(self, name):
msg = 'Partition {name} was not found'.format(
name=name
)
super(PartitionNotFound, self).__init__(msg)