import loggingimport os# create logger 创建一个logger 记录器logger = logging.getLogger(os.path.basename(__file__))logger.setLevel(logging.DEBUG)# create console handler and set level to debugch = logging.StreamHandler()ch.setLevel(logging.DEBUG)# create formatterformatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')# add formatter to chch.setFormatter(formatter)# add ch to loggerlogger.addHandler(ch)# 'application' codelogger.debug('debug message')logger.info('info message')logger.warning('warn message')logger.error('error message')logger.critical('critical message')