Generalized the 'single step' case in TreeEntity.get_path to include the case where...

diff --git a/philo/models/base.py b/philo/models/base.py
index 2138381..8df67c3 100644 (file)
--- 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: