From 43fd5a873051c99600386c1fdc9fa368edeb6eda Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Mon, 29 Sep 2014 09:24:03 +0100
Subject: Uniqueness validation

---
 rest_framework/utils/field_mapping.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'rest_framework/utils')

diff --git a/rest_framework/utils/field_mapping.py b/rest_framework/utils/field_mapping.py
index c3794083..cf9d910a 100644
--- a/rest_framework/utils/field_mapping.py
+++ b/rest_framework/utils/field_mapping.py
@@ -6,6 +6,7 @@ from django.core import validators
 from django.db import models
 from django.utils.text import capfirst
 from rest_framework.compat import clean_manytomany_helptext
+from rest_framework.validators import UniqueValidator
 import inspect
 
 
@@ -156,6 +157,10 @@ def get_field_kwargs(field_name, model_field):
             if validator is not validators.validate_slug
         ]
 
+    if getattr(model_field, 'unique', False):
+        validator = UniqueValidator(queryset=model_field.model._default_manager)
+        validator_kwarg.append(validator)
+
     max_digits = getattr(model_field, 'max_digits', None)
     if max_digits is not None:
         kwargs['max_digits'] = max_digits
-- 
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