From d6d5b1d82a4ccc1a2fe29ff18e9ecf7c196a07a5 Mon Sep 17 00:00:00 2001
From: Craig de Stigter <craig.destigter@koordinates.com>
Date: Mon, 18 Mar 2013 14:50:08 +1300
Subject: [PATCH] allow default values in writable serializer fields

---
 rest_framework/serializers.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index c6599886c..cc6d60da1 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -360,7 +360,9 @@ class BaseSerializer(WritableField):
         except KeyError:
             if self.required:
                 raise ValidationError(self.error_messages['required'])
-            return
+            if self.default is None:
+                return
+            value = copy.deepcopy(self.default)
 
         # Set the serializer object if it exists
         obj = getattr(self.parent.object, field_name) if self.parent.object else None