如何处理Django中间件中的异常? [英] How to handle an exception in a Django Middleware?

问题描述

我在正确处理Django中间件中的异常时遇到问题.我的例外:

I have a problem with proper handling an exception in Django middleware. My exception:

from rest_framework.exceptions import APIException
from rest_framework.status import HTTP_403_FORBIDDEN
class MyProfileAuthorizationError(APIException):    
    def __init__(self, msg):
        APIException.__init__(self, msg)
        self.status_code = HTTP_403_FORBIDDEN
        self.message = msg

还有我的中间件:

class PatchRequestUserWithProfile:
def __init__(self, get_response):
    self.get_response = get_response

def __call__(self, request, *args, **kwargs):
    patch_request_for_nonanon_user(request)
    if not request.user.profile:
        raise MyProfileAuthorizationError("You are not allowed to use this profile.")

    response = self.get_response(request)
    return response

此异常抛出500而不是403.我该如何解决?

And this exception throws 500 instead of 403. How can i fix that?

推荐答案

尝试返回

Try to return a HttpResponseForbidden response instead of raising exception

from django.http import HttpResponseForbidden


class PatchRequestUserWithProfile:
    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request, *args, **kwargs):
        patch_request_for_nonanon_user(request)
        if not request.user.profile:
            return HttpResponseForbidden("You are not allowed to use this profile.")

        response = self.get_response(request)
        return response

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