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# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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.
import logging
class LoggerCleanupMixin:
def get_logger(self, handler):
"""
Attach a handler to a logger and add clean-ups to remove revert this.
"""
# Create a logger and add the handler to it.
logger = logging.getLogger(__name__)
logger.addHandler(handler)
# Ensure the logger actually logs something.
logger.setLevel(logging.INFO)
# Ensure the logger gets cleaned-up appropriately.
self.addCleanup(logger.removeHandler, handler)
self.addCleanup(logger.setLevel, logging.NOTSET)
return logger
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