import logging
logging.basicConfig(filename=‘log.log‘,
format=‘%(asctime)s - %(name)s - %(levelname)s -%(module)s: %(message)s‘,
datefmt=‘%Y-%m-%d %H:%M:%S %p‘,
level=10)
logging.debug(‘debug‘)
logging.info(‘info‘)
logging.warning(‘warning‘)
logging.error(‘error‘)
logging.critical(‘critical‘)
logging.log(10,‘log‘)
日志等级：
CRITICAL = 50 FATAL = CRITICAL ERROR = 40 WARNING = 30 WARN = WARNING INFO = 20 DEBUG = 10 NOTSET = 0
原文：http://www.cnblogs.com/yangxiaolan/p/5651977.html