Python示例-Logging

logging.ini日志配置文件内容示例：

 [loggers]
 keys=root,demo

 [handlers]
 keys=consoleHandler,timedRotatingFileHandler

 [formatters]
 keys=simpleFmt  

 [logger_root]
 level=DEBUG
 handlers=consoleHandler

 [logger_demo]
 level=DEBUG
 handlers=timedRotatingFileHandler
 qualname=demo
 propagate=0  

 [handler_consoleHandler]
 class=StreamHandler
 level=DEBUG
 formatter=simpleFmt
 args=(sys.stdout,)

 [handler_timedRotatingFileHandler]
 class=handlers.TimedRotatingFileHandler
 level=DEBUG
 formatter=simpleFmt
 args=("demo.log", "d", 1, 0)

 [formatter_simpleFmt]
 format=%(asctime)s - %(name)s - [%(filename)s:%(lineno)s]- %(levelname)s - %(message)s
 datefmt=

使用示例：

 import logging
 import logging.config

 logging.config.fileconfig("logging.ini")
 logger = logging.getLogger("demo")

 if __name__ == "__main__":
     logger.debug('This is debug message')
     logger.info('This is info message')
     logger.error('This is error message')

demo.log日志文件示例：

 2018-10-16 21:40:27,104 - demo - [log_record.py:15]- DEBUG - This is debug message
 2018-10-16 21:40:27,105 - demo - [log_record.py:16]- INFO - This is info message
 2018-10-16 21:40:27,105 - demo - [log_record.py:17]- ERROR - This is error message