Use new many=True relations style.

rest_framework/serializers.py

@@ -470,11 +470,10 @@ class ModelSerializer(Serializer):
         # .using(db).complex_filter(self.rel.limit_choices_to)
         kwargs = {
             'required': not(model_field.null or model_field.blank),
-            'queryset': model_field.rel.to._default_manager
+            'queryset': model_field.rel.to._default_manager,
+            'many': to_many
         }
 
-        if to_many:
-            return ManyPrimaryKeyRelatedField(**kwargs)
         return PrimaryKeyRelatedField(**kwargs)
 
     def get_field(self, model_field):
@@ -669,8 +668,7 @@ class HyperlinkedModelSerializer(ModelSerializer):
         kwargs = {
             'required': not(model_field.null or model_field.blank),
             'queryset': rel._default_manager,
-            'view_name': self._get_default_view_name(rel)
+            'view_name': self._get_default_view_name(rel),
+            'many': to_many
         }
-        if to_many:
-            return ManyHyperlinkedRelatedField(**kwargs)
         return HyperlinkedRelatedField(**kwargs)

rest_framework/tests/genericrelations.py

@@ -56,7 +56,7 @@ class TestGenericRelations(TestCase):
         """
 
         class BookmarkSerializer(serializers.ModelSerializer):
-            tags = serializers.ManyRelatedField()
+            tags = serializers.RelatedField(many=True)
 
             class Meta:
                 model = Bookmark

rest_framework/tests/generics.py

@@ -330,7 +330,7 @@ class ClassA(models.Model):
 
 
 class ClassASerializer(serializers.ModelSerializer):
-    childs = serializers.ManyPrimaryKeyRelatedField(source='childs')
+    childs = serializers.PrimaryKeyRelatedField(many=True, source='childs')
 
     class Meta:
         model = ClassA

rest_framework/tests/relations.py

@@ -40,7 +40,7 @@ class TestManyRelateMixin(TestCase):
 
         https://github.com/tomchristie/django-rest-framework/pull/632
         '''
-        field = serializers.ManyRelatedField(read_only=False)
+        field = serializers.RelatedField(many=True, read_only=False)
 
         into = {}
         field.field_from_native({}, None, 'field_name', into)

rest_framework/tests/relations_hyperlink.py

@@ -20,7 +20,7 @@ urlpatterns = patterns('',
 
 
 class ManyToManyTargetSerializer(serializers.HyperlinkedModelSerializer):
-    sources = serializers.ManyHyperlinkedRelatedField(view_name='manytomanysource-detail')
+    sources = serializers.HyperlinkedRelatedField(many=True, view_name='manytomanysource-detail')
 
     class Meta:
         model = ManyToManyTarget
@@ -32,7 +32,7 @@ class ManyToManySourceSerializer(serializers.HyperlinkedModelSerializer):
 
 
 class ForeignKeyTargetSerializer(serializers.HyperlinkedModelSerializer):
-    sources = serializers.ManyHyperlinkedRelatedField(view_name='foreignkeysource-detail')
+    sources = serializers.HyperlinkedRelatedField(many=True, view_name='foreignkeysource-detail')
 
     class Meta:
         model = ForeignKeyTarget

rest_framework/tests/relations_nested.py

@@ -16,7 +16,7 @@ class FlatForeignKeySourceSerializer(serializers.ModelSerializer):
 
 
 class ForeignKeyTargetSerializer(serializers.ModelSerializer):
-    sources = FlatForeignKeySourceSerializer()
+    sources = FlatForeignKeySourceSerializer(many=True)
 
     class Meta:
         model = ForeignKeyTarget

rest_framework/tests/relations_pk.py

@@ -5,7 +5,7 @@ from rest_framework.tests.models import ManyToManyTarget, ManyToManySource, Fore
 
 
 class ManyToManyTargetSerializer(serializers.ModelSerializer):
-    sources = serializers.ManyPrimaryKeyRelatedField()
+    sources = serializers.PrimaryKeyRelatedField(many=True)
 
     class Meta:
         model = ManyToManyTarget
@@ -17,7 +17,7 @@ class ManyToManySourceSerializer(serializers.ModelSerializer):
 
 
 class ForeignKeyTargetSerializer(serializers.ModelSerializer):
-    sources = serializers.ManyPrimaryKeyRelatedField()
+    sources = serializers.PrimaryKeyRelatedField(many=True)
 
     class Meta:
         model = ForeignKeyTarget

rest_framework/tests/relations_slug.py

@@ -4,7 +4,7 @@ from rest_framework.tests.models import NullableForeignKeySource, ForeignKeySour
 
 
 class ForeignKeyTargetSerializer(serializers.ModelSerializer):
-    sources = serializers.ManySlugRelatedField(slug_field='name')
+    sources = serializers.SlugRelatedField(many=True, slug_field='name')
 
     class Meta:
         model = ForeignKeyTarget

rest_framework/tests/serializer.py

@@ -551,7 +551,7 @@ class ManyToManyTests(TestCase):
 class ReadOnlyManyToManyTests(TestCase):
     def setUp(self):
         class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
-            rel = serializers.ManyRelatedField(read_only=True)
+            rel = serializers.RelatedField(many=True, read_only=True)
 
             class Meta:
                 model = ReadOnlyManyToManyModel