python实现log日志

源代码：

# coding=utf-8
import logging
import os
import time

LEVELS={'debug':logging.DEBUG,\
       'info':logging.INFO,\
       'warning':logging.WARNING,\
       'error':logging.ERROR,\
       'critical':logging.CRITICAL,}

logger=logging.getLogger()
level='default'
def createFile(filename):
   path=filename[0:filename.rfind('/')]
   if not os.path.isdir(path):
       os.makedirs(path)
   if not os.path.isfile(filename):
#创建并打开一个新文件
       fd = open(filename,mode='w',encoding='utf-8')
       fd.close()
class MyLog:
   log_filename='E:/quality/it/pyrequest-master/log/itest.log'
   err_filename='E:/quality/it/pyrequest-master/log/err.log'
   dateformat='%Y-%m-%d %H:%M:%S'
   logger.setLevel(LEVELS.get(level,logging.NOTSET))
   createFile(log_filename)
   createFile(err_filename)

#注意文件内容写入时编码格式指定

    handler=logging.FileHandler(log_filename,encoding='utf-8')
   errhandler=logging.FileHandler(err_filename,encoding='utf-8')

   @staticmethod
   #静态方法
   def debug(log_message):
       setHandler('debug')
       logger.debug("[DEBUG "+getCurrentTime()+"]"+log_message)
       removerhandler('debug')

   @staticmethod
   def info(log_message):
       setHandler('info')
       logger.info("[INFO "+getCurrentTime()+"]"+log_message)
       removerhandler('info')

   @staticmethod
   def warning(log_message):
       setHandler('warning')
       logger.warning("[WARNING "+getCurrentTime()+"]"+log_message)
       removerhandler('warning')

   @staticmethod
   def error(log_message):
       setHandler('error')
       logger.error("[ERROR "+getCurrentTime()+"]"+log_message)
       removerhandler('error')

   @staticmethod
   def critical(log_message):
       setHandler('critical')
       logger.critical("[CRITICAL "+getCurrentTime()+"]"+log_message)
       removerhandler('critical')

# logger可以看做是一个记录日志的人，对于记录的每个日志，他需要有一套规则，比如记录的格式（formatter），
# 等级（level）等等，这个规则就是handler。使用logger.addHandler(handler)添加多个规则，
# 就可以让一个logger记录多个日志。

def setHandler(level):
   if level=='error':
       logger.addHandler(MyLog.errhandler)
   #handler=logging.FileHandler(log_filename)
   #把logger添加上handler
   logger.addHandler(MyLog.handler)

def removerhandler(level):
   if level=='error':
       logger.removeHandler(MyLog.errhandler)
   logger.removeHandler(MyLog.handler)

def getCurrentTime():
   return time.strftime(MyLog.dateformat,time.localtime(time.time()))

if __name__=="__main__":
   MyLog.debug("This is debug message")
   MyLog.info("This is info message")
   MyLog.warning("This is warning message")
   MyLog.error("This is error message")
   MyLog.critical("This is critical message")

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