c0233eae5e
This makes it easy to see errors in background processes when you're writing unit tests. Otherwise, you have to know/remember to look at the test logs in `_trial_temp`.
62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
# Copyright 2019 New Vector Ltd
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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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import os
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import sys
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import twisted.logger
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from synapse.logging.context import LoggingContextFilter
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class ToTwistedHandler(logging.Handler):
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"""logging handler which sends the logs to the twisted log"""
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tx_log = twisted.logger.Logger()
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def emit(self, record):
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log_entry = self.format(record)
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log_level = record.levelname.lower().replace("warning", "warn")
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self.tx_log.emit( # type: ignore
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twisted.logger.LogLevel.levelWithName(log_level), "{entry}", entry=log_entry
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)
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def setup_logging():
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"""Configure the python logging appropriately for the tests.
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Logs will end up in _trial_temp. Exceptions are additionally
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logged to stderr.
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"""
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root_logger = logging.getLogger()
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log_format = (
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"%(asctime)s - %(name)s - %(lineno)d - "
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"%(levelname)s - %(request)s - %(message)s"
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)
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to_twisted_handler = ToTwistedHandler()
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formatter = logging.Formatter(log_format)
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to_twisted_handler.setFormatter(formatter)
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to_twisted_handler.addFilter(LoggingContextFilter())
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root_logger.addHandler(to_twisted_handler)
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exception_handler = logging.StreamHandler(sys.stderr)
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exception_handler.setLevel(logging.ERROR)
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exception_handler.setFormatter(formatter)
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root_logger.addHandler(exception_handler)
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log_level = os.environ.get("SYNAPSE_TEST_LOG_LEVEL", "ERROR")
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root_logger.setLevel(log_level)
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