X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/adbb2ab3e867579291a8ad464ff559334d6b5eb4..13aa22003d4b88fff35a631f270bd11a156de71a:/philo/models/base.py

diff --git a/philo/models/base.py b/philo/models/base.py
index d1dc38a..8df67c3 100644
--- a/philo/models/base.py
+++ b/philo/models/base.py
@@ -471,14 +471,15 @@ class TreeEntity(Entity, MPTTModel):
 		if root == self:
 			return ''
 		
-		if root is None and self.is_root_node():
+		parent_id = getattr(self, "%s_id" % self._mptt_meta.parent_attr)
+		if getattr(root, 'pk', None) == parent_id:
 			return getattr(self, field, '?')
 		
 		if root is not None and not self.is_descendant_of(root):
 			raise AncestorDoesNotExist(root)
 		
 		if memoize:
-			memo_args = (getattr(self, "%s_id" % self._mptt_meta.parent_attr), getattr(root, 'pk', None), pathsep, getattr(self, field, '?'))
+			memo_args = (parent_id, getattr(root, 'pk', None), pathsep, getattr(self, field, '?'))
 			try:
 				return self._path_memo[memo_args]
 			except AttributeError:
@@ -515,7 +516,7 @@ class TreeEntity(Entity, MPTTModel):
 		
 		"""
 		if mapper is None:
-			if self.parent:
+			if getattr(self, "%s_id" % self._mptt_meta.parent_attr):
 				mapper = TreeAttributeMapper
 			else:
 				mapper = AttributeMapper
@@ -542,7 +543,7 @@ class SlugTreeEntity(TreeEntity):
 	path = property(get_path)
 	
 	def clean(self):
-		if self.parent is None:
+		if getattr(self, "%s_id" % self._mptt_meta.parent_attr) is None:
 			try:
 				self._default_manager.exclude(pk=self.pk).get(slug=self.slug, parent__isnull=True)
 			except self.DoesNotExist: