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# Copyright 2015 OpenStack Foundation
# Copyright 2015 Huawei Corp.
# All Rights Reserved.
#
# 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.
class VersionController(object):
def __init__(self, http_client):
self.http_client = http_client
def list(self):
"""List all versions."""
url = '/versions'
resp, body = self.http_client.get(url)
return body.get('versions', None)
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