| # Copyright 2012 OpenStack Foundation |
| # 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. |
| from oslo_log import log as logging |
| |
| from tempest.lib.common.utils import test_utils |
| |
| LOG = logging.getLogger(__name__) |
| |
| |
| def singleton(cls): |
| """Simple wrapper for classes that should only have a single instance.""" |
| instances = {} |
| |
| def getinstance(): |
| if cls not in instances: |
| instances[cls] = cls() |
| return instances[cls] |
| return getinstance |
| |
| |
| def find_test_caller(*args, **kwargs): |
| LOG.warning("tempest.lib.common.utils.misc.find_test_caller is deprecated " |
| "in favor of tempest.lib.common.utils.test_utils." |
| "find_test_caller") |
| test_utils.find_test_caller(*args, **kwargs) |