X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/946f2dc5728e293dd7fc55bac7a8cf8d3dcc5722..5da36a259abcc9fb76b736fc360560f0ff931640:/philo/models/base.py

diff --git a/philo/models/base.py b/philo/models/base.py
index f9c22f9..2f798ae 100644
--- a/philo/models/base.py
+++ b/philo/models/base.py
@@ -16,7 +16,7 @@ from philo.utils.entities import AttributeMapper, TreeAttributeMapper
 from philo.validators import json_validator
 
 
-__all__ = ('Tag', 'value_content_type_limiter', 'register_value_model', 'unregister_value_model', 'JSONValue', 'ForeignKeyValue', 'ManyToManyValue', 'Attribute', 'Entity', 'TreeEntity')
+__all__ = ('Tag', 'value_content_type_limiter', 'register_value_model', 'unregister_value_model', 'JSONValue', 'ForeignKeyValue', 'ManyToManyValue', 'Attribute', 'Entity', 'TreeEntity', 'SlugTreeEntity')
 
 
 class Tag(models.Model):
@@ -319,7 +319,12 @@ class Entity(models.Model):
 		
 		"""
 		return mapper(self)
-	attributes = property(get_attribute_mapper)
+	
+	@property
+	def attributes(self):
+		if not hasattr(self, '_attributes'):
+			self._attributes = self.get_attribute_mapper()
+		return self._attributes
 	
 	class Meta:
 		abstract = True
@@ -500,7 +505,6 @@ class TreeEntity(Entity, MPTTModel):
 			else:
 				mapper = AttributeMapper
 		return super(TreeEntity, self).get_attribute_mapper(mapper)
-	attributes = property(get_attribute_mapper)
 	
 	def __unicode__(self):
 		return self.path