python logging模块书写日志以及日志分割详解
人气:0本文范例是书写两个日志:错误日志(ERROR级别)和运行日志(DEBUG级别),其中运行日志每日凌晨进行分割
import logging,datetime,logging.handlers from conf import settings if __name__ == "__main__": #两个日志,错误日志和运行日志,输出文件路径及文件名 error_log = settings.ERROR_LOG_FILE run_log = settings.RUN_LOG_FILE logger = logging.getLogger("mylog") logger.setLevel(logging.DEBUG) DATE_FORMAT = "%Y-%m-%d %H:%M:%S %p" LOG_FORMAT = "%(asctime)s------%(levelname)s[:%(lineno)d]-------%(message)s" #第一种普通写法 #file_run_log = logging.FileHandler(run_log) #假如需要每日凌晨进行日志切割,注意导入模块时需要导入logging.handlers,否则报错 #when参数可以设置S M H D,分别是秒、分、小时、天分割,也可以按周几分割,也可以凌晨分割 file_run_log = rf_handler = logging.handlers.TimedRotatingFileHandler(run_log, when='midnight', interval=1, backupCount=7, atTime=datetime.time(0, 0, 0, 0)) file_error_log = logging.FileHandler(error_log) file_run_log.setLevel(level=logging.INFO) file_run_log.setFormatter(logging.Formatter(LOG_FORMAT)) file_error_log.setLevel(level=logging.ERROR) file_error_log.setFormatter(logging.Formatter(LOG_FORMAT)) logger.addHandler(file_run_log) logger.addHandler(file_error_log) logger.info("info test") logger.error("error test") logger.critical("critical test") #普通全局写法 # logging.basicConfig(level=logging.DEBUG,filename=run_log,format=LOG_FORMAT,datefmt=DATE_FORMAT) # logging.info("this is a log") # logging.warning("this is warning")
settings.py:
ERROR_LOG_FILE = os.path.join(BASE_DIR,"log","error.log") RUN_LOG_FILE = os.path.join(BASE_DIR,"log","run.log")
日志输出结果run.log:
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