Merge branch 'restframework2' into split-generic-views

* restframework2:
  Fix ModelSerializer logic for fields with default value, which should have required=False set
  Added @diviei - Thanks!
  Fix typo reported by @diviei

docs/api-guide/serializers.md

@@ -254,7 +254,7 @@ When serializing objects using a nested representation any occurances of recursi
         def get_related_field(self, model_field, to_many=False):
             queryset = model_field.rel.to._default_manager
             if to_many:
-                return return serializers.ManyRelatedField(queryset=queryset)
+                return serializers.ManyRelatedField(queryset=queryset)
             return serializers.RelatedField(queryset=queryset)
 
         def get_field(self, model_field):

docs/topics/credits.md

@@ -48,6 +48,7 @@ The following people have helped make REST framework great.
 * Max Hurl - [maximilianhurl]
 * Tomi Pajunen - [eofs]
 * Rob Dobson - [rdobson]
+* Daniel Vaca Araujo - [diviei]
 
 Many thanks to everyone who's contributed to the project.
 
@@ -127,3 +128,4 @@ To contact the author directly:
 [maximilianhurl]: https://github.com/maximilianhurl
 [eofs]: https://github.com/eofs
 [rdobson]: https://github.com/rdobson
+[diviei]: https://github.com/diviei

rest_framework/serializers.py

@@ -406,6 +406,10 @@ class ModelSerializer(Serializer):
         """
         Creates a default instance of a basic non-relational field.
         """
+        kwargs = {}
+        if model_field.has_default():
+            kwargs['required'] = False
+
         field_mapping = {
             models.FloatField: FloatField,
             models.IntegerField: IntegerField,
@@ -421,14 +425,9 @@ class ModelSerializer(Serializer):
             models.BooleanField: BooleanField,
         }
         try:
-            ret = field_mapping[model_field.__class__]()
+            return field_mapping[model_field.__class__](**kwargs)
         except KeyError:
-            ret = ModelField(model_field=model_field)
-
-        if model_field.default is not None:
-            ret.required = False
-
-        return ret
+            return ModelField(model_field=model_field, **kwargs)
 
     def restore_object(self, attrs, instance=None):
         """