56.Python：logging日志模块

# Python learning
# coding:utf-8

import logging

logging.basicConfig(
    # 1.日志输出位置：1.终端，2.文件
    filename='access.log',      # 不指定默认打印到终端

    # 2.日志格式
    format='%(asctime)s - %(name)s - %(levelname)s - %(module)s: %(message)s',

    # 3.时间格式
    datefmt='%Y-%m-%d %H:%M:%S',

    # 4.日志级别
    # critical ==> 50
    # error    ==> 40
    # warning  ==> 30
    # info     ==> 20
    # debug    ==> 10
    level=30,
)

logging.debug('debug')
logging.info('info')
logging.warning('warning')
logging.error('error')
logging.critical('critical')