From 127c0bd3d68860dd6567d81047257fbc3e70b4b9 Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Wed, 24 Sep 2014 20:25:59 +0100
Subject: [PATCH] Custom deepcopy on Field classes

---
 rest_framework/fields.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index f859658a1..1f7d964a5 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -9,6 +9,7 @@ from rest_framework import ISO_8601
 from rest_framework.compat import smart_text, EmailValidator, MinValueValidator, MaxValueValidator, URLValidator
 from rest_framework.settings import api_settings
 from rest_framework.utils import html, representation, humanize_datetime
+import copy
 import datetime
 import decimal
 import inspect
@@ -150,6 +151,11 @@ class Field(object):
         instance._kwargs = kwargs
         return instance
 
+    def __deepcopy__(self, memo):
+        args = copy.deepcopy(self._args)
+        kwargs = copy.deepcopy(self._kwargs)
+        return self.__class__(*args, **kwargs)
+
     def bind(self, field_name, parent, root):
         """
         Setup the context for the field instance.