Fixed #12647. Allow unique_together checks be specified as lists as well as tuples. Thanks, Honza Král.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12403 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/base.py

@@ -683,7 +683,7 @@ class Model(object):
                 if name in exclude:
                     break
             else:
-                unique_checks.append(check)
+                unique_checks.append(tuple(check))
 
         # These are checks for the unique_for_<date/year/month>.
         date_checks = []

tests/modeltests/validation/models.py

@@ -36,7 +36,7 @@ class UniqueTogetherModel(models.Model):
     efield = models.EmailField()
 
     class Meta:
-        unique_together = (('ifield', 'cfield',), ('ifield', 'efield'))
+        unique_together = (('ifield', 'cfield',), ['ifield', 'efield'])
 
 class UniqueForDateModel(models.Model):
     start_date = models.DateField()

tests/modeltests/validation/test_unique.py

@@ -13,7 +13,7 @@ class GetUniqueCheckTests(unittest.TestCase):
             m._get_unique_checks()
         )
 
-    def test_unique_together_gets_picked_up(self):
+    def test_unique_together_gets_picked_up_and_converted_to_tuple(self):
         m = UniqueTogetherModel()
         self.assertEqual(
             ([('ifield', 'cfield',),('ifield', 'efield'), ('id',), ], []),