from django.http import HttpResponse, StreamingHttpResponse

from django.urls import reverse

from django.utils.deprecation import MiddlewareMixin

from . import urlconf_inner

class ChangeURLconfMiddleware(MiddlewareMixin):

    def process_request(self, request):

        request.urlconf = urlconf_inner.__name__

class NullChangeURLconfMiddleware(MiddlewareMixin):

    def process_request(self, request):

        request.urlconf = None

class ReverseInnerInResponseMiddleware(MiddlewareMixin):

    def process_response(self, *args, **kwargs):

        return HttpResponse(reverse("inner"))

class ReverseOuterInResponseMiddleware(MiddlewareMixin):

    def process_response(self, *args, **kwargs):

        return HttpResponse(reverse("outer"))

class ReverseInnerInStreaming(MiddlewareMixin):

    def process_view(self, *args, **kwargs):

        def stream():

            yield reverse("inner")

        return StreamingHttpResponse(stream())

class ReverseOuterInStreaming(MiddlewareMixin):

    def process_view(self, *args, **kwargs):

        def stream():

            yield reverse("outer")

        return StreamingHttpResponse(stream())