Merge branch 'master' of git://github.com/melinath/philo

[philo.git] / philo / models / base.py

diff --git a/philo/models/base.py b/philo/models/base.py
index f9c22f9..2f798ae 100644 (file)
--- 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