Added proper charset support

rest_framework/negotiation.py

@@ -58,17 +58,11 @@ class DefaultContentNegotiation(BaseContentNegotiation):
                             _MediaType(media_type).precedence):
                             # Eg client requests '*/*'
                             # Accepted media type is 'application/json'
-                            renderer_and_media_type = renderer, renderer.media_type
+                            return renderer, renderer.media_type
                         else:
                             # Eg client requests 'application/json; indent=8'
                             # Accepted media type is 'application/json; indent=8'
-                            renderer_and_media_type = renderer, media_type
-                        if renderer.charset:
-                            charset = renderer.charset
-                        else:
-                            charset = self.__class__.settings.DEFAULT_CHARSET
-                        retval = renderer_and_media_type + (charset,)
-                        return retval
+                            return renderer, media_type
 
         raise exceptions.NotAcceptable(available_renderers=renderers)
 

rest_framework/renderers.py

@@ -41,6 +41,7 @@ class BaseRenderer(object):
     def render(self, data, accepted_media_type=None, renderer_context=None):
         raise NotImplemented('Renderer class requires .render() to be implemented')
 
+
 class JSONRenderer(BaseRenderer):
     """
     Renderer which serializes to json.
@@ -115,6 +116,7 @@ class XMLRenderer(BaseRenderer):
 
     media_type = 'application/xml'
     format = 'xml'
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -164,6 +166,7 @@ class YAMLRenderer(BaseRenderer):
     media_type = 'application/yaml'
     format = 'yaml'
     encoder = encoders.SafeDumper
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -204,6 +207,7 @@ class TemplateHTMLRenderer(BaseRenderer):
         '%(status_code)s.html',
         'api_exception.html'
     ]
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
@@ -275,6 +279,7 @@ class StaticHTMLRenderer(TemplateHTMLRenderer):
     """
     media_type = 'text/html'
     format = 'html'
+    charset = 'utf-8'
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         renderer_context = renderer_context or {}
@@ -296,6 +301,7 @@ class BrowsableAPIRenderer(BaseRenderer):
     media_type = 'text/html'
     format = 'api'
     template = 'rest_framework/api.html'
+    charset = 'utf-8'
 
     def get_default_renderer(self, view):
         """

rest_framework/response.py

@@ -18,7 +18,7 @@ class Response(SimpleTemplateResponse):
 
     def __init__(self, data=None, status=200,
                  template_name=None, headers=None,
-                 exception=False):
+                 exception=False, charset=None):
         """
         Alters the init arguments slightly.
         For example, drop 'template_name', and instead use 'data'.
@@ -30,6 +30,7 @@ class Response(SimpleTemplateResponse):
         self.data = data
         self.template_name = template_name
         self.exception = exception
+        self.charset = charset
 
         if headers:
             for name, value in six.iteritems(headers):
@@ -39,18 +40,21 @@ class Response(SimpleTemplateResponse):
     def rendered_content(self):
         renderer = getattr(self, 'accepted_renderer', None)
         media_type = getattr(self, 'accepted_media_type', None)
-        charset = getattr(self, 'charset', None)
         context = getattr(self, 'renderer_context', None)
 
         assert renderer, ".accepted_renderer not set on Response"
         assert media_type, ".accepted_media_type not set on Response"
         assert context, ".renderer_context not set on Response"
         context['response'] = self
-        if charset is not None:
-            ct = "{0}; charset={1}".format(media_type, charset)
+
+        if self.charset is None:
+            self.charset = renderer.charset
+
+        if self.charset is not None:
+            content_type = "{0}; charset={1}".format(media_type, self.charset)
         else:
-            ct = media_type
-        self['Content-Type'] = ct
+            content_type = media_type
+        self['Content-Type'] = content_type
         return renderer.render(self.data, media_type, context)
 
     @property

rest_framework/settings.py

@@ -83,8 +83,6 @@ DEFAULTS = {
     'FORMAT_SUFFIX_KWARG': 'format',
 
     # Input and output formats
-    'DEFAULT_CHARSET': None,
-    
     'DATE_INPUT_FORMATS': (
         ISO_8601,
     ),

rest_framework/tests/htmlrenderer.py

@@ -66,19 +66,19 @@ class TemplateHTMLRendererTests(TestCase):
     def test_simple_html_view(self):
         response = self.client.get('/')
         self.assertContains(response, "example: foobar")
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_not_found_html_view(self):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
         self.assertEqual(response.content, six.b("404 Not Found"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
         self.assertEqual(response.content, six.b("403 Forbidden"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
 
 class TemplateHTMLRendererExceptionTests(TestCase):
@@ -109,10 +109,10 @@ class TemplateHTMLRendererExceptionTests(TestCase):
         response = self.client.get('/not_found')
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
         self.assertEqual(response.content, six.b("404: Not found"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')
 
     def test_permission_denied_html_view_with_template(self):
         response = self.client.get('/permission_denied')
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
         self.assertEqual(response.content, six.b("403: Permission denied"))
-        self.assertEqual(response['Content-Type'], 'text/html')
+        self.assertEqual(response['Content-Type'], 'text/html; charset=utf-8')

rest_framework/tests/negotiation.py

@@ -12,15 +12,14 @@ factory = RequestFactory()
 class MockJSONRenderer(BaseRenderer):
     media_type = 'application/json'
 
+
 class MockHTMLRenderer(BaseRenderer):
     media_type = 'text/html'
 
+
 class NoCharsetSpecifiedRenderer(BaseRenderer):
     media_type = 'my/media'
 
-class CharsetSpecifiedRenderer(BaseRenderer):
-    media_type = 'my/media'
-    charset = 'mycharset'
 
 class TestAcceptedMediaType(TestCase):
     def setUp(self):
@@ -32,32 +31,15 @@ class TestAcceptedMediaType(TestCase):
 
     def test_client_without_accept_use_renderer(self):
         request = Request(factory.get('/'))
-        accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
+        accepted_renderer, accepted_media_type = self.select_renderer(request)
         self.assertEqual(accepted_media_type, 'application/json')
 
     def test_client_underspecifies_accept_use_renderer(self):
         request = Request(factory.get('/', HTTP_ACCEPT='*/*'))
-        accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
+        accepted_renderer, accepted_media_type = self.select_renderer(request)
         self.assertEqual(accepted_media_type, 'application/json')
 
     def test_client_overspecifies_accept_use_client(self):
         request = Request(factory.get('/', HTTP_ACCEPT='application/json; indent=8'))
-        accepted_renderer, accepted_media_type, charset = self.select_renderer(request)
+        accepted_renderer, accepted_media_type = self.select_renderer(request)
         self.assertEqual(accepted_media_type, 'application/json; indent=8')
-        
-class TestCharset(TestCase):
-    def setUp(self):
-        self.renderers = [NoCharsetSpecifiedRenderer()]
-        self.negotiator = DefaultContentNegotiation()
-    
-    def test_returns_none_if_no_charset_set(self):
-        request = Request(factory.get('/'))
-        renderers = [NoCharsetSpecifiedRenderer()]
-        _, _, charset = self.negotiator.select_renderer(request, renderers)
-        self.assertIsNone(charset)
-    
-    def test_returns_attribute_from_renderer_if_charset_is_set(self):
-        request = Request(factory.get('/'))
-        renderers = [CharsetSpecifiedRenderer()]
-        _, _, charset =  self.negotiator.select_renderer(request, renderers)
-        self.assertEquals(CharsetSpecifiedRenderer.charset, charset)
\ No newline at end of file

rest_framework/tests/response.py

@@ -12,6 +12,7 @@ from rest_framework.renderers import (
 from rest_framework.settings import api_settings
 from rest_framework.compat import six
 
+
 class MockPickleRenderer(BaseRenderer):
     media_type = 'application/pickle'
 
@@ -19,6 +20,7 @@ class MockPickleRenderer(BaseRenderer):
 class MockJsonRenderer(BaseRenderer):
     media_type = 'application/json'
 
+
 class MockTextMediaRenderer(BaseRenderer):
     media_type = 'text/html'
 
@@ -44,6 +46,7 @@ class RendererB(BaseRenderer):
     def render(self, data, media_type=None, renderer_context=None):
         return RENDERER_B_SERIALIZER(data)
 
+
 class RendererC(RendererB):
     media_type = 'mock/rendererc'
     format = 'formatc'
@@ -56,6 +59,14 @@ class MockView(APIView):
     def get(self, request, **kwargs):
         return Response(DUMMYCONTENT, status=DUMMYSTATUS)
 
+
+class MockViewSettingCharset(APIView):
+    renderer_classes = (RendererA, RendererB, RendererC)
+
+    def get(self, request, **kwargs):
+        return Response(DUMMYCONTENT, status=DUMMYSTATUS, charset='setbyview')
+
+
 class HTMLView(APIView):
     renderer_classes = (BrowsableAPIRenderer, )
 
@@ -70,6 +81,7 @@ class HTMLView1(APIView):
         return Response('text')
 
 urlpatterns = patterns('',
+    url(r'^setbyview$', MockViewSettingCharset.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
     url(r'^.*\.(?P<format>.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
     url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])),
     url(r'^html$', HTMLView.as_view()),
@@ -178,6 +190,7 @@ class Issue122Tests(TestCase):
         """
         self.client.get('/html1')
 
+
 class Issue807Testts(TestCase):
     """
     Covers #807
@@ -187,34 +200,27 @@ class Issue807Testts(TestCase):
 
     def test_does_not_append_charset_by_default(self):
         """
-        For backwards compatibility `REST_FRAMEWORK['DEFAULT_CHARSET']` defaults
-        to None, so that all legacy code works as expected.
+        Renderers don't include a charset unless set explicitly.
         """
         headers = {"HTTP_ACCEPT": RendererA.media_type}
         resp = self.client.get('/', **headers)
-        self.assertEquals(RendererA.media_type, resp['Content-Type'])
+        self.assertEqual(RendererA.media_type, resp['Content-Type'])
 
     def test_if_there_is_charset_specified_on_renderer_it_gets_appended(self):
         """
         If renderer class has charset attribute declared, it gets appended
         to Response's Content-Type
         """
-        resp = self.client.get('/?format=%s' % RendererC.format)
+        headers = {"HTTP_ACCEPT": RendererC.media_type}
+        resp = self.client.get('/', **headers)
         expected = "{0}; charset={1}".format(RendererC.media_type, RendererC.charset)
-        self.assertEquals(expected, resp['Content-Type'])
+        self.assertEqual(expected, resp['Content-Type'])
 
-    def test_if_there_is_default_charset_specified_it_gets_appended(self):
+    def test_charset_set_explictly_on_response(self):
         """
-        If user defines `REST_FRAMEWORK['DEFAULT_CHARSET']` it will get appended
-        to Content-Type of all responses.
+        The charset may be set explictly on the response.
         """
-        original_default_charset = api_settings.DEFAULT_CHARSET
-        api_settings.DEFAULT_CHARSET = "utf-8"
-        headers = {'HTTP_ACCEPT': RendererA.media_type}
-        resp = self.client.get('/', **headers)
-        expected = "{0}; charset={1}".format(
-            RendererA.media_type,
-            api_settings.DEFAULT_CHARSET
-        )
-        self.assertEquals(expected, resp['Content-Type'])
-        api_settings.DEFAULT_CHARSET = original_default_charset
\ No newline at end of file
+        headers = {"HTTP_ACCEPT": RendererC.media_type}
+        resp = self.client.get('/setbyview', **headers)
+        expected = "{0}; charset={1}".format(RendererC.media_type, 'setbyview')
+        self.assertEqual(expected, resp['Content-Type'])

rest_framework/views.py

@@ -183,9 +183,7 @@ class APIView(View):
             return conneg.select_renderer(request, renderers, self.format_kwarg)
         except Exception:
             if force:
-                charset = renderers[0].charset
-                charset = charset if charset is not None else api_settings.DEFAULT_CHARSET
-                return (renderers[0], renderers[0].media_type, renderers[0].charset)
+                return (renderers[0], renderers[0].media_type)
             raise
 
     def perform_authentication(self, request):
@@ -252,10 +250,7 @@ class APIView(View):
 
         # Perform content negotiation and store the accepted info on the request
         neg = self.perform_content_negotiation(request)
-        renderer, media_type, charset = neg
-        request.accepted_renderer = renderer
-        request.accepted_media_type = media_type
-        request.accepted_charset = charset
+        request.accepted_renderer, request.accepted_media_type = neg
 
     def finalize_response(self, request, response, *args, **kwargs):
         """
@@ -270,16 +265,11 @@ class APIView(View):
         if isinstance(response, Response):
             if not getattr(request, 'accepted_renderer', None):
                 neg = self.perform_content_negotiation(request, force=True)
-                renderer, media_type, charset = neg
-                request.accepted_renderer = renderer
-                request.accepted_media_type = media_type 
+                request.accepted_renderer, request.accepted_media_type = neg
 
             response.accepted_renderer = request.accepted_renderer
             response.accepted_media_type = request.accepted_media_type
             response.renderer_context = self.get_renderer_context()
-            charset = request.accepted_renderer.charset
-            charset = charset if charset else api_settings.DEFAULT_CHARSET
-            response.charset = charset
 
         for key, value in self.headers.items():
             response[key] = value