Merge branch 'p3k' of https://github.com/linovia/django-rest-framework into working

Conflicts:
	rest_framework/authentication.py
	rest_framework/relations.py
	rest_framework/serializers.py
	rest_framework/settings.py
	rest_framework/tests/authentication.py
	rest_framework/tests/genericrelations.py
	rest_framework/tests/generics.py
	rest_framework/tests/relations_hyperlink.py
	rest_framework/tests/relations_nested.py
	rest_framework/tests/relations_pk.py
	rest_framework/tests/serializer.py

1 files changed, 11 insertions, 4 deletions

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 4fb802a7..3d3bcb3c 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -7,6 +7,7 @@ from django.db import models
 from django.forms import widgets
 from django.utils.datastructures import SortedDict
 from rest_framework.compat import get_concrete_model
+from rest_framework.compat import six
 
 # Note: We do the following so that users of the framework can use this style:
 #
@@ -64,7 +65,7 @@ def _get_declared_fields(bases, attrs):
     Note that all fields from the base classes are used.
     """
     fields = [(field_name, attrs.pop(field_name))
-              for field_name, obj in attrs.items()
+              for field_name, obj in list(six.iteritems(attrs))
               if isinstance(obj, Field)]
     fields.sort(key=lambda x: x[1].creation_counter)
 
@@ -73,7 +74,7 @@ def _get_declared_fields(bases, attrs):
     # in order to maintain the correct order of fields.
     for base in bases[::-1]:
         if hasattr(base, 'base_fields'):
-            fields = base.base_fields.items() + fields
+            fields = list(base.base_fields.items()) + fields
 
     return SortedDict(fields)
 
@@ -359,8 +360,8 @@ class BaseSerializer(Field):
         return self.object
 
 
-class Serializer(BaseSerializer):
-    __metaclass__ = SerializerMetaclass
+class Serializer(six.with_metaclass(SerializerMetaclass, BaseSerializer)):
+    pass
 
 
 class ModelSerializerOptions(SerializerOptions):
@@ -560,6 +561,12 @@ class ModelSerializer(Serializer):
         else:
             instance = self.opts.model(**attrs)
 
+        try:
+            instance.full_clean(exclude=self.get_validation_exclusions())
+        except ValidationError as err:
+            self._errors = err.message_dict
+            return None
+
         return instance
 
     def from_native(self, data, files):