Removed extraneous evaluations of TreeEntity.parent.

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

diff --git a/philo/models/base.py b/philo/models/base.py
index d1dc38a..2138381 100644 (file)
--- a/philo/models/base.py
+++ b/philo/models/base.py
@@ -515,7 +515,7 @@ 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 +542,7 @@ 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: