c8f3903fa4
In order to understand how listeners are used it is pretty nice to have a default set that do basic printing and logging that can be used in debugging (or just as examples). Include an example that uses this as well. Fixes: bug 1224060 Change-Id: I7ba6e9dcbdca84d014b9d1f5054ce7a37eb766f2
47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
from __future__ import absolute_import
|
|
|
|
import logging
|
|
|
|
from taskflow.listeners import base
|
|
from taskflow.utils import misc
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class LoggingListener(base.LoggingBase):
|
|
"""Listens for task and flow notifications and writes those notifications
|
|
to a provided logging backend (if none is provided then this modules
|
|
logger is used instead) using a configurable logging level (logging.DEBUG
|
|
if not provided).
|
|
"""
|
|
def __init__(self, engine,
|
|
listen_for=misc.TransitionNotifier.ANY,
|
|
log=None,
|
|
level=logging.DEBUG):
|
|
super(LoggingListener, self).__init__(engine, listen_for)
|
|
self._logger = log
|
|
if not self._logger:
|
|
self._logger = LOG
|
|
self._level = level
|
|
|
|
def _log(self, message, *args, **kwargs):
|
|
self._logger.log(self._level, message, *args, **kwargs)
|