Python logging

Pythong logging 模块简单使用方法

示例如下：
----------------------------------------------------------------
import logging

logging.basicConfig(
            filename="config.log",
            format='%(asctime)s [%(levelname)-7s] %(message)s',
            level=logging.DEBUG,
            filemode='w')
        
logging.debug('A debug message')
logging.info('Some information')
logging.warning('A shot across the bows')


输出结构如下：
----------------------------------------------------------------
2010-11-22 23:18:08,046 [DEBUG  ] A debug message
2010-11-22 23:18:08,046 [INFO   ] Some information
2010-11-22 23:18:08,046 [WARNING] A shot across the bows