X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/983293d923dcede8362ee17b27fc825b2a466096..d1fa7611b6254a03dc07979b28f66aa3439efffb:/models/base.py

diff --git a/models/base.py b/models/base.py
index 2a94daa..27c45dc 100644
--- a/models/base.py
+++ b/models/base.py
@@ -3,6 +3,7 @@ from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
 from django.utils import simplejson as json
 from django.core.exceptions import ObjectDoesNotExist
+from philo.exceptions import AncestorDoesNotExist
 from philo.utils import ContentTypeRegistryLimiter
 from philo.signals import entity_class_prepared
 from UserDict import DictMixin
@@ -240,7 +241,7 @@ class TreeManager(models.Manager):
 class TreeModel(models.Model):
 	objects = TreeManager()
 	parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
-	slug = models.SlugField()
+	slug = models.SlugField(max_length=255)
 	
 	def has_ancestor(self, ancestor):
 		parent = self
@@ -251,7 +252,9 @@ class TreeModel(models.Model):
 		return False
 	
 	def get_path(self, root=None, pathsep='/', field='slug'):
-		if root is not None and self.has_ancestor(root):
+		if root is not None:
+			if not self.has_ancestor(root):
+				raise AncestorDoesNotExist(root)
 			path = ''
 			parent = self
 			while parent and parent != root:
@@ -275,7 +278,7 @@ class TreeModel(models.Model):
 		abstract = True
 
 
-class TreeEntity(TreeModel, Entity):
+class TreeEntity(Entity, TreeModel):
 	@property
 	def attributes(self):
 		if self.parent: