1 files changed, 29 insertions, 2 deletions
diff --git a/rest_framework/generics.py b/rest_framework/generics.py
index dd8dfcf8..19f2b704 100644
--- a/rest_framework/generics.py
+++ b/rest_framework/generics.py
@@ -47,14 +47,16 @@ class GenericAPIView(views.APIView):
 
         return serializer_class
 
-    def get_serializer(self, instance=None, data=None, files=None):
+    def get_serializer(self, instance=None, data=None,
+                       files=None, partial=False):
         """
         Return the serializer instance that should be used for validating and
         deserializing input, and for serializing output.
         """
         serializer_class = self.get_serializer_class()
         context = self.get_serializer_context()
-        return serializer_class(instance, data=data, files=files, context=context)
+        return serializer_class(instance, data=data, files=files,
+                                partial=partial, context=context)
 
 
 class MultipleObjectAPIView(MultipleObjectMixin, GenericAPIView):
@@ -171,6 +173,10 @@ class UpdateAPIView(mixins.UpdateModelMixin,
     def put(self, request, *args, **kwargs):
         return self.update(request, *args, **kwargs)
 
+    def patch(self, request, *args, **kwargs):
+        kwargs['partial'] = True
+        return self.update(request, *args, **kwargs)
+
 
 class ListCreateAPIView(mixins.ListModelMixin,
                         mixins.CreateModelMixin,
@@ -185,6 +191,23 @@ class ListCreateAPIView(mixins.ListModelMixin,
         return self.create(request, *args, **kwargs)
 
 
+class RetrieveUpdateAPIView(mixins.RetrieveModelMixin,
+                            mixins.UpdateModelMixin,
+                            SingleObjectAPIView):
+    """
+    Concrete view for retrieving, updating a model instance.
+    """
+    def get(self, request, *args, **kwargs):
+        return self.retrieve(request, *args, **kwargs)
+
+    def put(self, request, *args, **kwargs):
+        return self.update(request, *args, **kwargs)
+
+    def patch(self, request, *args, **kwargs):
+        kwargs['partial'] = True
+        return self.update(request, *args, **kwargs)
+
+
 class RetrieveDestroyAPIView(mixins.RetrieveModelMixin,
                              mixins.DestroyModelMixin,
                              SingleObjectAPIView):
@@ -211,5 +234,9 @@ class RetrieveUpdateDestroyAPIView(mixins.RetrieveModelMixin,
     def put(self, request, *args, **kwargs):
         return self.update(request, *args, **kwargs)
 
+    def patch(self, request, *args, **kwargs):
+        kwargs['partial'] = True
+        return self.update(request, *args, **kwargs)
+
     def delete(self, request, *args, **kwargs):
         return self.destroy(request, *args, **kwargs)