text: from rest_framework.views import exception_handler as drf_exception_handler
  from django.db import DatabaseError
  from redis.exceptions import RedisError
  import logging
  from rest_framework.response import Response
  from rest_framework import status
  
  logger = logging.getLogger('django')
  
  
  def exception_handler(exc, context):
      """自定义异常捕获函数,再DRF基础上添加mysql及redis异常捕获机制"""
  
      # 获取DRF的异常信息
      response = drf_exception_handler(exc, context)
  
      if response is None:
          view = context['view']
          if isinstance(exc, DatabaseError) or isinstance(exc, RedisError):
              # 数据库异常
              logger.error("[%s]: %s" % (view, exc))
              response = Response({'message': "服务器内部错误"}, status=status.HTTP_507_INSUFFICIENT_STORAGE)
  
      return response
  
  
  