2020-10-29 07:27:37 -04:00
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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class LoggerCleanupMixin:
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def get_logger(self, handler):
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"""
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Attach a handler to a logger and add clean-ups to remove revert this.
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"""
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# Create a logger and add the handler to it.
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logger = logging.getLogger(__name__)
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logger.addHandler(handler)
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# Ensure the logger actually logs something.
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logger.setLevel(logging.INFO)
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# Ensure the logger gets cleaned-up appropriately.
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self.addCleanup(logger.removeHandler, handler)
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self.addCleanup(logger.setLevel, logging.NOTSET)
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return logger
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