From e59b3d1718de549d0e165d03aeea1488ddfe20ee Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Wed, 21 Jan 2015 14:18:13 +0000
Subject: Make ReturnDict cachable. Closes #2360.

---
 rest_framework/utils/serializer_helpers.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'rest_framework')

diff --git a/rest_framework/utils/serializer_helpers.py b/rest_framework/utils/serializer_helpers.py
index ab057862..87bb3ac0 100644
--- a/rest_framework/utils/serializer_helpers.py
+++ b/rest_framework/utils/serializer_helpers.py
@@ -19,6 +19,11 @@ class ReturnDict(OrderedDict):
     def __repr__(self):
         return dict.__repr__(self)
 
+    def __reduce__(self):
+        # Pickling these objects will drop the .serializer backlink,
+        # but preserve the raw data.
+        return (dict, (dict(self),))
+
 
 class ReturnList(list):
     """
@@ -33,6 +38,11 @@ class ReturnList(list):
     def __repr__(self):
         return list.__repr__(self)
 
+    def __reduce__(self):
+        # Pickling these objects will drop the .serializer backlink,
+        # but preserve the raw data.
+        return (list, (list(self),))
+
 
 class BoundField(object):
     """
-- 
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