98fade1412
- move notifications docs from inputs and outputs to separate page; - listeners and TransitionNotifier documented; - docstrings improved, missing docstrings added; - documentation put to notifications page; - inputs and outputs page edited. Change-Id: Ib283836173a806fbec81aa07b3292e2672bf6483
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import logging
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from taskflow.listeners import base
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from taskflow.utils import misc
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LOG = logging.getLogger(__name__)
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class LoggingListener(base.LoggingBase):
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"""Listener that logs notifications it receives.
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It listens for task and flow notifications and writes those
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notifications to provided logger, or logger of its module
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(``taskflow.listeners.logging``) if none provided. Log level
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can also be configured, ``logging.DEBUG`` is used by default.
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"""
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def __init__(self, engine,
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task_listen_for=(misc.TransitionNotifier.ANY,),
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flow_listen_for=(misc.TransitionNotifier.ANY,),
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log=None,
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level=logging.DEBUG):
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super(LoggingListener, self).__init__(engine,
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task_listen_for=task_listen_for,
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flow_listen_for=flow_listen_for)
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self._logger = log
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if not self._logger:
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self._logger = LOG
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self._level = level
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def _log(self, message, *args, **kwargs):
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self._logger.log(self._level, message, *args, **kwargs)
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