airflow timezone_aware 源码
airflow timezone_aware 代码
文件路径：/airflow/utils/log/timezone_aware.py
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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 __future__ import annotations
import logging
import pendulum
class TimezoneAware(logging.Formatter):
"""
Override `default_time_format`, `default_msec_format` and `formatTime` to specify utc offset.
utc offset is the matter, without it, time conversion could be wrong.
With this Formatter, `%(asctime)s` will be formatted containing utc offset. (ISO 8601)
(e.g. 2022-06-12T13:00:00.123+0000)
"""
default_time_format = '%Y-%m-%dT%H:%M:%S'
default_msec_format = '%s.%03d'
default_tz_format = '%z'
def formatTime(self, record, datefmt=None):
"""
Returns the creation time of the specified LogRecord in ISO 8601 date and time format
in the local time zone.
"""
dt = pendulum.from_timestamp(record.created, tz=pendulum.local_timezone())
if datefmt:
s = dt.strftime(datefmt)
else:
s = dt.strftime(self.default_time_format)
if self.default_msec_format:
s = self.default_msec_format % (s, record.msecs)
if self.default_tz_format:
s += dt.strftime(self.default_tz_format)
return s
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