django项目之配置自定义异常处理类

from rest_framework.views import exception_handler
from django.db import DatabaseError
from rest_framework.response import Response
from rest_framework import status
from redis.exceptions import RedisError

import logging

logger = logging.getLogger(‘django‘)


def custom_exception_handler(exc, context):
    """
    自定义异常处理类
    :param exc: 发生异常时的异常处理对象
    :param context:  抛出异常的上下文
    :return: Response响应对象
    """
    response = exception_handler(exc, context)
    if response is None:
        view = context["view"]
        if isinstance(exc, DatabaseError):
            # 数据库异常
            logger.error(‘[%s]%s‘ % (view, exc))
            return Response({"message": "数据库异常"}, status=status.HTTP_507_INSUFFICIENT_STORAGE)
        if isinstance(exc, RedisError):
            # redis异常
            logger.error(‘[%s]%s‘ % (view, exc))
            return Response({"message": "redis数据库异常"}, status=status.HTTP_507_INSUFFICIENT_STORAGE)

# 数据库异常处理
REST_FRAMEWORK = {
    ‘EXCEPTION_HANDLER‘: ‘renranapi.utils.exceptions.custom_exception_handler‘,
}