myLog.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-

import logging
import getpass
import sys
import time

# 定义MyLog类
class MyLog(object):
   '''这个类用于创建一个自用的log '''
   def __init__(self): #类MyLog的构造函数
      user = getpass.getuser()
      self.logger = logging.getLogger(user)
      self.logger.setLevel(logging.DEBUG)
      nowTime = time.strftime('%Y%m%d', time.localtime(time.time()))#当前时间
      # logFile = './' + sys.argv[0][0:-3] + '.log' #日志文件名-------项目名命名
      logFile = './' + nowTime + '.log'  # 日志文件名-----时间命名
      formatter = logging.Formatter('%(asctime)-12s %(levelname)-8s %(name)-10s %(message)-12s')

      '''日志显示到屏幕上并输出到日志文件内'''
      logHand = logging.FileHandler(logFile)
      logHand.setFormatter(formatter)
      logHand.setLevel(logging.INFO) #只有INFO以上才会被记录到logfile中

      logHandSt = logging.StreamHandler()
      logHandSt.setFormatter(formatter)

      self.logger.addHandler(logHand)
      self.logger.addHandler(logHandSt)

   ''' 日志的5个级别对应以下的5个函数 '''
   def debug(self,msg):
      self.logger.debug(msg)

   def info(self,msg):
      self.logger.info(msg)

   def warn(self,msg):
      self.logger.warn(msg)

   def error(self,msg):
      self.logger.error(msg)

   def critical(self,msg):
      self.logger.critical(msg)

if __name__ == '__main__':
   mylog = MyLog()
   mylog.debug("I'm debug")
   mylog.info("I'm info")
   mylog.warn("I'm warn")
   mylog.error("I'm error")
   mylog.critical("I'm critical")