X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/dfd584e3b136d770bf56569030d10712a8722569..bf3f18ce9313f4929ff327fbf12803157de171cb:/apps/newtagging/models.py

diff --git a/apps/newtagging/models.py b/apps/newtagging/models.py
index 7e9936f30..694f5b868 100644
--- a/apps/newtagging/models.py
+++ b/apps/newtagging/models.py
@@ -71,7 +71,7 @@ class TagManager(models.Manager):
             if tag not in current_tags:
                 self.intermediary_table_model._default_manager.create(tag=tag, content_object=obj)
 
-        tags_updated.send(sender=obj, affected_tags=tags_to_add + tags_for_removal)
+        tags_updated.send(sender=type(obj), instance=obj, affected_tags=tags_to_add + tags_for_removal)
 
     def remove_tag(self, obj, tag):
         """
@@ -179,7 +179,7 @@ class TaggedItemManager(models.Manager):
         if not tags:
             return queryset.none()
         # TODO: presumes reverse generic relation
-        return queryset.filter(tag_relations__tag__in=tags)
+        return queryset.filter(tag_relations__tag__in=tags).distinct()
 
     def get_related(self, obj, queryset_or_model):
         """
@@ -228,8 +228,8 @@ def create_intermediary_table_model(model):
 
 class TagMeta(ModelBase):
     "Metaclass for tag models (models inheriting from TagBase)."
-    def __new__(cls, name, bases, attrs):
-        model = super(TagMeta, cls).__new__(cls, name, bases, attrs)
+    def __new__(mcs, name, bases, attrs):
+        model = super(TagMeta, mcs).__new__(mcs, name, bases, attrs)
         if not model._meta.abstract:
             # Create an intermediary table and register custom managers for concrete models
             model.intermediary_table_model = create_intermediary_table_model(model)