From d1746e2f3c3c2250ffdf7b71f2a77df3edccea61 Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Thu, 18 Oct 2012 22:02:44 +0100
Subject: [PATCH] Allow callables in dotted notation like
 Field(source='foo.bar')

---
 rest_framework/fields.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index bb9a523d6..663a168df 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -70,6 +70,8 @@ class Field(object):
             value = obj
             for component in self.source.split('.'):
                 value = getattr(value, component)
+                if is_simple_callable(value):
+                    value = value()
         else:
             value = getattr(obj, field_name)
         return self.to_native(value)