异常处理 Exceptions
from rest_framework.views import exception_handler def custom_exception_handler(exc, context): # 先调用REST framework默认的异常处理方法获得标准错误响应对象 response = exception_handler(exc, context) # 在此处补充自定义的异常处理 if response is not None: response.data['status_code'] = response.status_code return response
在配置文件中声明自定义的异常处理
REST_FRAMEWORK = { #配置异常句柄 'EXCEPTION_HANDLER': 'my_project.my_app.utils.custom_exception_handler' }
如果未声明,会采用默认的方式,如下
REST_FRAMEWORK = { 'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler' }
例如:
from rest_framework.views import exception_handler as drf_exception_handler from rest_framework import status from django.db import DatabaseError def exception_handler(exc, context): response = drf_exception_handler(exc, context) if response is None: view = context['view'] if isinstance(exc, DatabaseError): print('[%s]: %s' % (view, exc)) response = Response({'detail': '服务器内部错误'}, status=status.HTTP_507_INSUFFICIENT_STORAGE) return response
-
APIException 所有异常的父类
-
ParseError 解析错误
-
AuthenticationFailed 认证失败
-
NotAuthenticated 尚未认证
-
PermissionDenied 权限决绝
-
NotFound 未找到
-
MethodNotAllowed 请求方式不支持
-
NotAcceptable 要获取的数据格式不支持
-
Throttled 超过限流次数
-
ValidationError 校验失败