python 使用logging多线程写多个log文件

import threading

import time

import logging

import logging.handlers


LEVELS={'notset':logging.DEBUG,

        'debug':logging.DEBUG,

        'info':logging.INFO,

        'warning':logging.WARNING,

        'error':logging.ERROR,

        'critical':logging.CRITICAL}


LOG_FILENAME = 'test.log'

LOG_BACKUPCOUNT = 5

LOG_LEVEL = 'notset'


def InitLog(file_name,logger):

    LOG_FILENAME = file_name



    handler = logging.handlers.RotatingFileHandler(LOG_FILENAME,maxBytes=10*1024*1024,backupCount=LOG_BACKUPCOUNT)

    #handler = logging.FileHandler(LOG_FILENAME)

    formatter = logging.Formatter("[ %(asctime)s ][ %(levelname)s ] %(message)s\n")

    handler.setFormatter(formatter)    

    #logger = logging.getLogger()

    logger.addHandler(handler)

    logger.setLevel(LEVELS.get(LOG_LEVEL.lower()))

    return logger



class t1(threading.Thread):

    def __init__(self,threadName):

        threading.Thread.__init__(self,name = threadName)


        logger1 = logging.getLogger("thread.a")

        self.logger = InitLog("thread1.log",logger1)



    def run(self):

        global i

        self.logger.info("test1")

        while True:

            print '*************hello t1*****************'

            self.logger.info("******hello t1******")

            self.logger.debug("t1 debug")

            self.logger.warning("t1 warning")

            self.logger.error("t1 error")

            i += 1

            print i

            if i> 10:

                break

            time.sleep(3)

        self.logger.info("test1 over")


class t2(threading.Thread):

    def __init__(self,threadName):


        threading.Thread.__init__(self,name = threadName)


        logger2 = logging.getLogger("thread.b")

        self.logger = InitLog("thread2.log",logger2)



        print "self.logger = %s" %self.logger

        None

    def run(self):

        global i

        self.logger.info("test2")

        while True:

            print 'hello t2'

            self.logger.info("hello t2")

            self.logger.debug("t2 debug")

            self.logger.warning("t2 warning")

            self.logger.error("t2 error")

            i += 1

            print i

            if i > 10:

                break

            time.sleep(5)

        self.logger.info("test2.over")

i = 0


p1 = t1('p1')

p1.start()

p2 = t2('p2')

p2.start()