ManyPrimaryKeyRelatedField now supports create for one-to-many rel

1 files changed, 12 insertions, 0 deletions

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 8026205e..276a7db7 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -496,12 +496,19 @@ class ModelSerializer(Serializer):
         Restore the model instance.
         """
         self.m2m_data = {}
+        self.related_data = {}
 
         if instance is not None:
             for key, val in attrs.items():
                 setattr(instance, key, val)
             return instance
 
+        # Related relations
+        for (obj, model) in self.opts.model._meta.get_all_related_objects_with_model():
+            field_name = obj.field.related_query_name()
+            if field_name in attrs:
+                self.related_data[field_name] = attrs.pop(field_name)
+
         # Reverse relations
         for (obj, model) in self.opts.model._meta.get_all_related_m2m_objects_with_model():
             field_name = obj.field.related_query_name()
@@ -532,6 +539,11 @@ class ModelSerializer(Serializer):
                 setattr(self.object, accessor_name, object_list)
             self.m2m_data = {}
 
+        if getattr(self, 'related_data', None):
+            for accessor_name, object_list in self.related_data.items():
+                setattr(self.object, accessor_name, object_list)
+            self.related_data = {}
+
         return self.object