logging格式

 import logging

 def foo(s):
     return 10 / int(s)

 def bar(s):
     return foo(s) * 2

 def main():
     try:
         bar(0)
     except Exception as e:
         logging.exception(e)

 main()
 print('所有的都执行完毕！')

 ERROR:root:division by zero
 Traceback (most recent call last):
   File "57.py", line 11, in main
     bar(0)
   File "57.py", line 7, in bar
     return foo(s) * 2
   File "57.py", line 4, in foo
     return 10 / int(s)
 ZeroDivisionError: division by zero
 所有的都执行完毕！＃可以正常执行完毕程序并纪录错误

     logger = logging.getLogger()

     logfile = 'test.log'
     hdlr = logging.FileHandler('sendlog.txt')

     formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')

     hdlr.setFormatter(formatter)

     logger.addHandler(hdlr)

     logger.setLevel(logging.NOTSET)