python日志模块

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

import logging

# 设置日志存储路径
# CRITICAL,ERROR,WARNING,INFO,DEBUG,NOTSET
# 当前时间asctime：2017-03-20 17:51:13,721
# 日志等级levelname：INFO
# 执行的py文件名filename：test.py
# 记录日志的代码行位置lineno：11
# 日志的信息message：日志功能 1234
logging.basicConfig(filename='mylog.log', format="[%(asctime)s][%(levelname)s][%(filename)s:%(lineno)d] %(message)s",
                    level=logging.INFO)

logging.info("日志功能 %s" % "1234")

# 记录结果
# [2017-03-20 17:51:13,721][INFO][test.py:11] 日志功能 1234

CRITICAL = 50
FATAL = CRITICAL
ERROR = 40
WARNING = 30
WARN = WARNING
INFO = 20
DEBUG = 10
NOTSET = 0