From d1f77b2fbe5601414e8ccd41e3cc4235d68948f5 Mon Sep 17 00:00:00 2001
From: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
Date: Fri, 5 Oct 2012 03:07:44 -0400
Subject: [PATCH] Add natural key to the Tag model

---
 apps/tags/__init__.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/apps/tags/__init__.py b/apps/tags/__init__.py
index c0e2eeb7e1..19aafab5b2 100644
--- a/apps/tags/__init__.py
+++ b/apps/tags/__init__.py
@@ -18,6 +18,7 @@ from .links import (tag_list, tag_create, tag_attach, tag_document_remove,
 from .widgets import (get_tags_inline_widget_simple, single_tag_widget)
 from .permissions import (PERMISSION_TAG_ATTACH, PERMISSION_TAG_REMOVE,
     PERMISSION_TAG_DELETE, PERMISSION_TAG_EDIT, PERMISSION_TAG_VIEW)
+from .managers import TagManager
 
 
 register_model_list_columns(Tag, [
@@ -61,3 +62,14 @@ class_permissions(Tag, [
 ])
 
 Document.add_to_class('tags', TaggableManager())
+
+def natural_key(self):
+    return (self.name,)
+      
+Tag.add_to_class('natural_key', natural_key)
+
+class NewTagManager(Tag._default_manager.__class__):
+    def get_by_natural_key(self, name):
+        return self.get(name=name)
+
+Tag.default_manager = NewTagManager()