Adding fugue-icons submodule and adding django-staticmedia to the list of prerequisites.
[philo.git] / models / base.py
index 2a94daa..27c45dc 100644 (file)
@@ -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 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
 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)
 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
        
        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'):
                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:
                        path = ''
                        parent = self
                        while parent and parent != root:
@@ -275,7 +278,7 @@ class TreeModel(models.Model):
                abstract = True
 
 
                abstract = True
 
 
-class TreeEntity(TreeModel, Entity):
+class TreeEntity(Entity, TreeModel):
        @property
        def attributes(self):
                if self.parent:
        @property
        def attributes(self):
                if self.parent: