日志处理

• 捕获异常的堆栈信息

  import traceback
  try:
      int("comeon")
  except Exception as e:
      print(traceback.format_exc())
  

• 日志处理

  import logging
  class Logger(object):
      def __init__(self, file_path, level):
          file_handler = logging.FileHandler(file_path, 'a', encoding='utf-8')
          fmt = logging.Formatter(fmt='%(asctime)s - %(name)s - %(levelname)s - %(module)s: %(message)s')
          file_handler.setFormatter(fmt)
  
          self.logger = logging.Logger("author:zevin", level=logging.DEBUG)
          self.logger.addHandler(file_handler)
      def error(self,msg):
          self.logger.error(msg)
  logger = Logger('log.txt',logging.DEBUG)
  logger.error("nothing is ready")