python log

import logging.handlers import logging import shelve import time def loggers(logname):     logger = logging.getLogger(logname)     logger.setLevel(logging.DEBUG)     formatter = logging.Formatter('%(name)-12s %(asctime)s %(levelname)-8s %(message)s', '%a, %d %b %Y %H:%M:%S',)     file_handle = logging.FileHandler(logname)     file_handle.setFormatter(formatter)     #handler = logging.handlers.RotatingFileHandler('anay.log',maxBytes=20000000,backupCount=500000)     #logger.addHandler(handler)     logger.addHandler(file_handle)     return logger