Jul 13, 2015 · Feb 23, 2016
diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
            ):
                return

            serializers = []
            if existing_serializer is not None:
                serializer = existing_serializer
                serializers.append(existing_serializer)

            if has_serializer:
                if method in ('PUT', 'PATCH'):
                    serializers.append(view.get_serializer(instance=instance, **kwargs))
                else:
                    serializers.append(view.get_serializer(**kwargs))
            else:
                if has_serializer:
                    if method in ('PUT', 'PATCH'):
                        serializer = view.get_serializer(instance=instance, **kwargs)
                    else:
                        serializer = view.get_serializer(**kwargs)
                # at this point we must have a serializer_class
                if method in ('PUT', 'PATCH'):
                    serializers.append(self._get_serializer(view.serializer_class, view,
                                                            request, instance=instance, **kwargs))
                else:
                    # at this point we must have a serializer_class
                    if method in ('PUT', 'PATCH'):
                        serializer = self._get_serializer(view.serializer_class, view,
                                                          request, instance=instance, **kwargs)
                    else:
                        serializer = self._get_serializer(view.serializer_class, view,
                                                          request, **kwargs)

            if hasattr(serializer, 'initial_data'):
                serializer.is_valid()

            form_renderer = self.form_renderer_class()
            return form_renderer.render(
                serializer.data,
                self.accepted_media_type,
                {'style': {'template_pack': 'rest_framework/horizontal'}}
            )
                    serializers.append(self._get_serializer(view.serializer_class, view,
                                                            request, **kwargs))

            for serializer in serializers:
                try:
                    if hasattr(serializer, 'initial_data'):
                        serializer.is_valid()

                    form_renderer = self.form_renderer_class()
                    return form_renderer.render(
                        serializer.data,
                        self.accepted_media_type,
                        {'style': {'template_pack': 'rest_framework/horizontal'}}
                    )
                except TypeError:
                    pass
            # If none of the rendering attempts succeeded, raise the TypeError generated by the last
            # attempt.
            raise

    def get_raw_data_form(self, data, view, method, request):
        """
diff --git a/tests/test_generics.py b/tests/test_generics.py
    serializer_class = ForeignKeySerializer


 class ManyPostView(generics.GenericAPIView):
    queryset = BasicModel.objects.all()
    serializer_class = BasicSerializer
    renderer_classes = (renderers.BrowsableAPIRenderer, renderers.JSONRenderer)

    def post(self, request, *args, **kwargs):
        serializer = self.get_serializer(self.get_queryset(), many=True)
        return Response(serializer.data, status.HTTP_200_OK)


 class SlugBasedInstanceView(InstanceView):
    """
    A model with a slug-field.
        request = factory.get('/')
        with pytest.raises(RuntimeError):
            view(request).render()


 class TestManyPostView(TestCase):
    def setUp(self):
        """
        Create 3 BasicModel instances.
        """
        items = ['foo', 'bar', 'baz']
        for item in items:
            BasicModel(text=item).save()
        self.objects = BasicModel.objects
        self.data = [
            {'id': obj.id, 'text': obj.text}
            for obj in self.objects.all()
        ]
        self.view = ManyPostView.as_view()

    def test_post_many_post_view(self):
        """
        POST request to ManyPostView should return a list of objects.
        """
        data = {}
        request = factory.post('/', data, format='json')
        with self.assertNumQueries(1):
            response = self.view(request).render()
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 3)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -473,32 +473,40 @@ def get_rendered_html_form(self, data, view, method, request):
		):
		return

		serializers = []
		if existing_serializer is not None:
		serializer = existing_serializer
		serializers.append(existing_serializer)

		if has_serializer:
		if method in ('PUT', 'PATCH'):
		serializers.append(view.get_serializer(instance=instance, **kwargs))
		else:
		serializers.append(view.get_serializer(**kwargs))
		else:
		if has_serializer:
		if method in ('PUT', 'PATCH'):
		serializer = view.get_serializer(instance=instance, **kwargs)
		else:
		serializer = view.get_serializer(**kwargs)
		# at this point we must have a serializer_class
		if method in ('PUT', 'PATCH'):
		serializers.append(self._get_serializer(view.serializer_class, view,
		request, instance=instance, **kwargs))
		else:
		# at this point we must have a serializer_class
		if method in ('PUT', 'PATCH'):
		serializer = self._get_serializer(view.serializer_class, view,
		request, instance=instance, **kwargs)
		else:
		serializer = self._get_serializer(view.serializer_class, view,
		request, **kwargs)

		if hasattr(serializer, 'initial_data'):
		serializer.is_valid()

		form_renderer = self.form_renderer_class()
		return form_renderer.render(
		serializer.data,
		self.accepted_media_type,
		{'style': {'template_pack': 'rest_framework/horizontal'}}
		)
		serializers.append(self._get_serializer(view.serializer_class, view,
		request, **kwargs))

		for serializer in serializers:
		try:
		if hasattr(serializer, 'initial_data'):
		serializer.is_valid()

		form_renderer = self.form_renderer_class()
		return form_renderer.render(
		serializer.data,
		self.accepted_media_type,
		{'style': {'template_pack': 'rest_framework/horizontal'}}
		)
		except TypeError:
		pass
		# If none of the rendering attempts succeeded, raise the TypeError generated by the last
		# attempt.
		raise

		def get_raw_data_form(self, data, view, method, request):
		"""
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -64,6 +64,16 @@ class FKInstanceView(generics.RetrieveUpdateDestroyAPIView):
		serializer_class = ForeignKeySerializer


		class ManyPostView(generics.GenericAPIView):
		queryset = BasicModel.objects.all()
		serializer_class = BasicSerializer
		renderer_classes = (renderers.BrowsableAPIRenderer, renderers.JSONRenderer)

		def post(self, request, args, *kwargs):
		serializer = self.get_serializer(self.get_queryset(), many=True)
		return Response(serializer.data, status.HTTP_200_OK)


		class SlugBasedInstanceView(InstanceView):
		"""
		A model with a slug-field.
Expand DownExpand Up		@@ -542,3 +552,30 @@ def get(self, request):
		request = factory.get('/')
		with pytest.raises(RuntimeError):
		view(request).render()


		class TestManyPostView(TestCase):
		def setUp(self):
		"""
		Create 3 BasicModel instances.
		"""
		items = ['foo', 'bar', 'baz']
		for item in items:
		BasicModel(text=item).save()
		self.objects = BasicModel.objects
		self.data = [
		{'id': obj.id, 'text': obj.text}
		for obj in self.objects.all()
		]
		self.view = ManyPostView.as_view()

		def test_post_many_post_view(self):
		"""
		POST request to ManyPostView should return a list of objects.
		"""
		data = {}
		request = factory.post('/', data, format='json')
		with self.assertNumQueries(1):
		response = self.view(request).render()
		self.assertEqual(response.status_code, status.HTTP_200_OK)
		self.assertEqual(len(response.data), 3)