Added a `post_save` hook. Closes #558.

1 files changed, 15 insertions, 1 deletions

diff --git a/rest_framework/generics.py b/rest_framework/generics.py
index 34e32da3..5abb915b 100644
--- a/rest_framework/generics.py
+++ b/rest_framework/generics.py
@@ -48,7 +48,7 @@ class GenericAPIView(views.APIView):
         return serializer_class
 
     def get_serializer(self, instance=None, data=None,
-                       files=None, partial=False, many=False):
+                       files=None, many=False, partial=False):
         """
         Return the serializer instance that should be used for validating and
         deserializing input, and for serializing output.
@@ -58,6 +58,20 @@ class GenericAPIView(views.APIView):
         return serializer_class(instance, data=data, files=files,
                                 many=many, partial=partial, context=context)
 
+    def pre_save(self, obj):
+        """
+        Placeholder method for calling before saving an object.
+        May be used eg. to set attributes on the object that are implicit
+        in either the request, or the url.
+        """
+        pass
+
+    def post_save(self, obj, created=False):
+        """
+        Placeholder method for calling after saving an object.
+        """
+        pass
+
 
 class MultipleObjectAPIView(MultipleObjectMixin, GenericAPIView):
     """