Merge 130b83623e into 2fa04caf7c

rest_framework/serializers.py

@@ -20,7 +20,7 @@ from collections import Mapping, OrderedDict
 from django.core.exceptions import ValidationError as DjangoValidationError
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
-from django.db.models import DurationField as ModelDurationField
+from django.db.models import manager, DurationField as ModelDurationField
 from django.db.models.fields import Field as DjangoModelField
 from django.db.models.fields import FieldDoesNotExist
 from django.utils import six, timezone
@@ -654,7 +654,7 @@ class ListSerializer(BaseSerializer):
         """
         # Dealing with nested relationships, data can be a Manager,
         # so, first get a queryset from the Manager if needed
-        iterable = data.all() if isinstance(data, models.Manager) else data
+        iterable = data.all() if isinstance(data, manager.BaseManager) else data
 
         return [
             self.child.to_representation(item) for item in iterable

tests/models.py

@@ -3,6 +3,8 @@ from __future__ import unicode_literals
 import uuid
 
 from django.db import models
+from django.db.models.manager import BaseManager
+from django.db.models.query import QuerySet
 from django.utils.translation import ugettext_lazy as _
 
 
@@ -45,12 +47,18 @@ class UUIDForeignKeyTarget(RESTFrameworkModel):
     name = models.CharField(max_length=100)
 
 
+class ForeignKeySourceManager(BaseManager.from_queryset(QuerySet)):
+    pass
+
+
 class ForeignKeySource(RESTFrameworkModel):
     name = models.CharField(max_length=100)
     target = models.ForeignKey(ForeignKeyTarget, related_name='sources',
                                help_text='Target', verbose_name='Target',
                                on_delete=models.CASCADE)
 
+    objects = ForeignKeySourceManager()
+
 
 # Nullable ForeignKey
 class NullableForeignKeySource(RESTFrameworkModel):

tests/test_relations_pk.py

@@ -26,16 +26,24 @@ class ManyToManySourceSerializer(serializers.ModelSerializer):
 
 
 # ForeignKey
+class ForeignKeySourceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ForeignKeySource
+        fields = ('id', 'name', 'target')
+
+
 class ForeignKeyTargetSerializer(serializers.ModelSerializer):
     class Meta:
         model = ForeignKeyTarget
         fields = ('id', 'name', 'sources')
 
 
-class ForeignKeySourceSerializer(serializers.ModelSerializer):
+class ForeignKeyTargetWithSourcesSerializer(serializers.ModelSerializer):
+    sources = ForeignKeySourceSerializer(many=True)
+
     class Meta:
-        model = ForeignKeySource
-        fields = ('id', 'name', 'target')
+        model = ForeignKeyTarget
+        fields = ('id', 'name', 'sources')
 
 
 # Nullable ForeignKey
@@ -219,9 +227,13 @@ class PKForeignKeyTests(TestCase):
 
     def test_reverse_foreign_key_retrieve(self):
         queryset = ForeignKeyTarget.objects.all()
-        serializer = ForeignKeyTargetSerializer(queryset, many=True)
+        serializer = ForeignKeyTargetWithSourcesSerializer(queryset, many=True)
         expected = [
-            {'id': 1, 'name': 'target-1', 'sources': [1, 2, 3]},
+            {'id': 1, 'name': 'target-1', 'sources': [
+                {'id': 1, 'name': 'source-1', 'target': 1},
+                {'id': 2, 'name': 'source-2', 'target': 1},
+                {'id': 3, 'name': 'source-3', 'target': 1},
+            ]},
             {'id': 2, 'name': 'target-2', 'sources': []},
         ]
         with self.assertNumQueries(3):
@@ -229,7 +241,7 @@ class PKForeignKeyTests(TestCase):
 
     def test_reverse_foreign_key_retrieve_prefetch_related(self):
         queryset = ForeignKeyTarget.objects.all().prefetch_related('sources')
-        serializer = ForeignKeyTargetSerializer(queryset, many=True)
+        serializer = ForeignKeyTargetWithSourcesSerializer(queryset, many=True)
         with self.assertNumQueries(2):
             serializer.data