Accepted media type uses most specific of client/renderer media types.

docs/api-guide/generic-views.md

@@ -18,24 +18,25 @@ If the generic views don't suit the needs of your API, you can drop down to usin
 Typically when using the generic views, you'll override the view, and set several class attributes.
 
     class UserList(generics.ListCreateAPIView):
-        serializer = UserSerializer
         model = User
-        permissions = (IsAdminUser,)
+        serializer_class = UserSerializer
+        permission_classes = (IsAdminUser,)
         paginate_by = 100
 
 For more complex cases you might also want to override various methods on the view class.  For example.
 
     class UserList(generics.ListCreateAPIView):
-        serializer = UserSerializer
         model = User
-        permissions = (IsAdminUser,)
+        serializer_class = UserSerializer
+        permission_classes = (IsAdminUser,)
         
         def get_paginate_by(self):
             """
             Use smaller pagination for HTML representations.
             """
-            if self.request.accepted_media_type == 'text/html':
+            page_size_param = self.request.QUERY_PARAMS.get('page_size')
-                return 10
+            if page_size_param:
+                return int(page_size_param)
             return 100
 
 For very simple cases you might want to pass through any class attributes using the `.as_view()` method.  For example, your URLconf might include something the following entry.
@@ -52,24 +53,32 @@ Used for read-only endpoints to represent a collection of model instances.
 
 Provides a `get` method handler.
 
+Extends: [MultipleObjectBaseAPIView], [ListModelMixin]
+
 ## ListCreateAPIView
 
 Used for read-write endpoints to represent a collection of model instances.
 
 Provides `get` and `post` method handlers.
 
+Extends: [MultipleObjectBaseAPIView], [ListModelMixin], [CreateModelMixin]
+
 ## RetrieveAPIView
 
 Used for read-only endpoints to represent a single model instance.
 
 Provides a `get` method handler.
 
+Extends: [SingleObjectBaseAPIView], [RetrieveModelMixin]
+
 ## RetrieveUpdateDestroyAPIView
 
 Used for read-write endpoints to represent a single model instance.
 
 Provides `get`, `put` and `delete` method handlers.
 
+Extends: [SingleObjectBaseAPIView], [RetrieveModelMixin], [UpdateModelMixin], [DestroyModelMixin]
+
 ---
 
 # Base views
@@ -123,3 +132,11 @@ Provides a `.destroy(request, *args, **kwargs)` method, that implements deletion
 [SingleObjectMixin]: https://docs.djangoproject.com/en/dev/ref/class-based-views/mixins-single-object/
 [multiple-object-mixin-classy]: http://ccbv.co.uk/projects/Django/1.4/django.views.generic.list/MultipleObjectMixin/
 [single-object-mixin-classy]: http://ccbv.co.uk/projects/Django/1.4/django.views.generic.detail/SingleObjectMixin/
+
+[SingleObjectBaseAPIView]: #singleobjectbaseapiview
+[MultipleObjectBaseAPIView]: #multipleobjectbaseapiview
+[ListModelMixin]: #listmodelmixin
+[CreateModelMixin]: #createmodelmixin
+[RetrieveModelMixin]: #retrievemodelmixin
+[UpdateModelMixin]: #updatemodelmixin
+[DestroyModelMixin]: #destroymodelmixin

docs/api-guide/renderers.md

@@ -115,7 +115,6 @@ For example:
 
     @api_view(('GET',))
     @renderer_classes((TemplateHTMLRenderer, JSONRenderer))
-    @template_name('list_users.html')
     def list_users(request):
         """
         A view that can return JSON or HTML representations
@@ -123,15 +122,16 @@ For example:
         """
         queryset = Users.objects.filter(active=True)
 
-        if request.accepted_renderer.format == 'html':
+        if request.accepted_media_type == 'text/html':
             # TemplateHTMLRenderer takes a context dict,
-            # and does not require serialization.
+            # and additionally requiresa 'template_name'.
+            # It does not require serialization.
             data = {'users': queryset}
-        else:
+            return Response(data, template='list_users.html')
+
         # JSONRenderer requires serialized data as normal.
         serializer = UserSerializer(instance=queryset)
         data = serializer.data
-
         return Response(data)
 
 ## Designing your media types

docs/index.md

@@ -58,7 +58,7 @@ Note that the base URL can be whatever you want, but you must include `rest_fram
 
 ## Quickstart
 
-**TODO**
+
 
 ## Tutorial
 

rest_framework/negotiation.py

@@ -1,6 +1,6 @@
 from rest_framework import exceptions
 from rest_framework.settings import api_settings
-from rest_framework.utils.mediatypes import order_by_precedence
+from rest_framework.utils.mediatypes import order_by_precedence, media_type_matches
 
 
 class BaseContentNegotiation(object):
@@ -46,7 +46,15 @@ class DefaultContentNegotiation(object):
         for media_type_set in order_by_precedence(accepts):
             for renderer in renderers:
                 for media_type in media_type_set:
-                    if renderer.can_handle_media_type(media_type):
+                    if media_type_matches(renderer.media_type, media_type):
+                        # Return the most specific media type as accepted.
+                        if len(renderer.media_type) > len(media_type):
+                            # Eg client requests '*/*'
+                            # Accepted media type is 'application/json'
+                            return renderer, renderer.media_type
+                        else:
+                            # Eg client requests 'application/json; indent=8'
+                            # Accepted media type is 'application/json; indent=8'
                             return renderer, media_type
 
         raise exceptions.NotAcceptable(available_renderers=renderers)
@@ -57,7 +65,7 @@ class DefaultContentNegotiation(object):
         so that we only negotiation against those that accept that format.
         """
         renderers = [renderer for renderer in renderers
-                     if renderer.can_handle_format(format)]
+                     if renderer.format == format]
         if not renderers:
             raise exceptions.InvalidFormat(format)
         return renderers

rest_framework/renderers.py

@@ -15,7 +15,7 @@ from rest_framework.request import clone_request
 from rest_framework.utils import dict2xml
 from rest_framework.utils import encoders
 from rest_framework.utils.breadcrumbs import get_breadcrumbs
-from rest_framework.utils.mediatypes import get_media_type_params, add_media_type_param, media_type_matches
+from rest_framework.utils.mediatypes import get_media_type_params, add_media_type_param
 from rest_framework import VERSION
 from rest_framework import serializers
 
@@ -32,23 +32,6 @@ class BaseRenderer(object):
     def __init__(self, view=None):
         self.view = view
 
-    def can_handle_format(self, format):
-        return format == self.format
-
-    def can_handle_media_type(self, media_type):
-        """
-        Returns `True` if this renderer is able to deal with the given
-        media type.
-
-        The default implementation for this function is to check the media type
-        argument against the media_type attribute set on the class to see if
-        they match.
-
-        This may be overridden to provide for other behavior, but typically
-        you'll instead want to just set the `media_type` attribute on the class.
-        """
-        return media_type_matches(self.media_type, media_type)
-
     def render(self, obj=None, media_type=None):
         """
         Given an object render it into a string.

rest_framework/response.py

@@ -20,26 +20,21 @@ class Response(SimpleTemplateResponse):
         super(Response, self).__init__(None, status=status)
         self.data = data
         self.headers = headers and headers[:] or []
-        self.renderer = renderer
 
-        # Accepted media type is the portion of the request Accept header
+        self.accepted_renderer = renderer
-        # that the renderer satisfied.  It could be '*/*', or somthing like
-        # application/json; indent=4
-        #
-        # This is NOT the value that will be returned in the 'Content-Type'
-        # header, but we do need to know the value in case there are
-        # any specific parameters which affect the rendering process.
         self.accepted_media_type = accepted_media_type
 
     @property
     def rendered_content(self):
-        assert self.renderer, "No renderer set on Response"
+        renderer = self.accepted_renderer
 
-        self['Content-Type'] = self.renderer.media_type
+        assert renderer, "No renderer set on Response"
+
+        self['content-type'] = self.accepted_media_type
         if self.data is None:
-            return self.renderer.render()
+            return renderer.render()
-        render_media_type = self.accepted_media_type or self.renderer.media_type
+
-        return self.renderer.render(self.data, render_media_type)
+        return renderer.render(self.data, self.accepted_media_type)
 
     @property
     def status_text(self):

rest_framework/tests/decorators.py

@@ -58,7 +58,7 @@ class DecoratorTestCase(TestCase):
 
         request = self.factory.get('/')
         response = view(request)
-        self.assertTrue(isinstance(response.renderer, JSONRenderer))
+        self.assertTrue(isinstance(response.accepted_renderer, JSONRenderer))
 
     def test_parser_classes(self):
 

rest_framework/tests/negotiation.py

@@ -0,0 +1,58 @@
+from django.test import TestCase
+from django.test.client import RequestFactory
+from rest_framework.decorators import api_view, renderer_classes
+from rest_framework.negotiation import DefaultContentNegotiation
+from rest_framework.response import Response
+
+factory = RequestFactory()
+
+
+class MockJSONRenderer(object):
+    media_type = 'application/json'
+
+    def __init__(self, view):
+        pass
+
+
+class MockHTMLRenderer(object):
+    media_type = 'text/html'
+
+    def __init__(self, view):
+        pass
+
+
+@api_view(('GET',))
+@renderer_classes((MockJSONRenderer, MockHTMLRenderer))
+def example(request):
+    return Response()
+
+
+class TestAcceptedMediaType(TestCase):
+    def setUp(self):
+        self.renderers = [MockJSONRenderer(None), MockHTMLRenderer(None)]
+        self.negotiator = DefaultContentNegotiation()
+
+    def negotiate(self, request):
+        return self.negotiator.negotiate(request, self.renderers)
+
+    def test_client_without_accept_use_renderer(self):
+        request = factory.get('/')
+        accepted_renderer, accepted_media_type = self.negotiate(request)
+        self.assertEquals(accepted_media_type, 'application/json')
+
+    def test_client_underspecifies_accept_use_renderer(self):
+        request = factory.get('/', HTTP_ACCEPT='*/*')
+        accepted_renderer, accepted_media_type = self.negotiate(request)
+        self.assertEquals(accepted_media_type, 'application/json')
+
+    def test_client_overspecifies_accept_use_client(self):
+        request = factory.get('/', HTTP_ACCEPT='application/json; indent=8')
+        accepted_renderer, accepted_media_type = self.negotiate(request)
+        self.assertEquals(accepted_media_type, 'application/json; indent=8')
+
+
+class IntegrationTests(TestCase):
+    def test_accepted_negotiation_set_on_request(self):
+        request = factory.get('/', HTTP_ACCEPT='*/*')
+        response = example(request)
+        self.assertEquals(response.accepted_media_type, 'application/json')

rest_framework/views.py

@@ -211,7 +211,7 @@ class APIView(View):
         if isinstance(response, Response):
             if not getattr(self, 'renderer', None):
                 self.renderer, self.accepted_media_type = self.perform_content_negotiation(request, force=True)
-            response.renderer = self.renderer
+            response.accepted_renderer = self.renderer
             response.accepted_media_type = self.accepted_media_type
 
         for key, value in self.headers.items():