python 日志

#coding:utf-8

import logging
import sys
import os
import datetime
from logging import handlers
class Logger(object):
    def __init__(self,name):
        LOGGING_TO_CONSOLE=True
        LOGGING_LEVEL = logging.DEBUG 
        LOGGING_FORMATTER='%(asctime)s|%(filename)s %(funcName)s|line:%(lineno)d|%(levelname)s|%(message)s'



        logger = logging.getLogger(name)
        logger.setLevel(LOGGING_LEVEL)


        path=os.path.abspath("../log")
        data=datetime.date.today()
        filename=os.path.join(path,str(data).replace("-","")+".log")
        if not os.path.isdir(path):
            os.mkdir(path)

        formatter = logging.Formatter(LOGGING_FORMATTER,datefmt='%Y-%m-%d %X')

        # file_handler = handlers.TimedRotatingFileHandler(filename=filename, when="h", interval=1, backupCount=10)
        # file_handler.suffix = "%Y.%m.%d_%H.log" 
        # file_handler.setFormatter(formatter)
        # logger.addHandler(file_handler)

            
        handler = handlers.RotatingFileHandler(filename, mode='a+',maxBytes=1024, backupCount=10)
        handler.setFormatter(formatter)
        logger.addHandler(handler)

        if LOGGING_TO_CONSOLE:
            stream_handler = logging.StreamHandler(sys.stderr)
            stream_handler.setFormatter(formatter)
            logger.addHandler(stream_handler)
        self.logger = logger
 

    def getLogger(self):
        return self.logger

　　

 

[test.py]

from logger import Logger
logger = Logger("my_log").getLogger()

def test():
    try:
        b=9*9
        4/0
        logger.info("b={}".format(b))
    except Exception as e:
        print("except:{}".format(e))
        logger.error(e)
        
        
test()
#2022-07-27 14:43:09|tests.py test|line:13|INFO|b=81
#2022-07-27 14:43:14|tests.py test|line:16|INFO|division by zero