keystoneauth/keystoneauth1/exceptions/discovery.py
Dolph Mathews 10c5961426 Make __all__ immutable
Using a mutable type implies that it's acceptable for the set of
publicly-accessible attributes to be mutated at runtime, which defeats
their intended purpose of documenting the public interface. Tuples are
immutable.

Change-Id: Ib3ab93224ba240040b08ece481ef5ba620c3f658
2015-10-01 18:21:31 +00:00

26 lines
873 B
Python

# 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.
from keystoneauth1.exceptions import base
__all__ = ('DiscoveryFailure',
'VersionNotAvailable')
class DiscoveryFailure(base.ClientException):
message = "Discovery of client versions failed."
class VersionNotAvailable(DiscoveryFailure):
message = "Discovery failed. Requested version is not available."