pythonログをloggingでファイルとコンソールに書き込む

#!/usr/bin/python
#-*- coding:utf-8 -*-

import logging

#     logger 
logger = logging.getLogger('mytest')  
logger.setLevel(logging.DEBUG)

#     handler，         
fh = logging.FileHandler('test.log')
fh.setLevel(logging.DEBUG)

#      handler，         
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)

#   handler      
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
ch.setFormatter(formatter)

#  logger  handler 
logger.addHandler(fh)
logger.addHandler(ch)

#        
logger.info('python logging test')

[root@localhost tmp]# python fun1.py 
2015-06-16 09:09:03,732 - mytest - INFO - python logging test
[root@localhost tmp]# cat test.log 
2015-06-16 09:09:03,732 - mytest - INFO - python logging test