Updated for 2.4 compatibility, thanks Charles.

docs/index.txt

@@ -4,6 +4,9 @@ Welcome to django-taggit's documentation!
 ``django-taggit`` is a reusable Django application designed to making adding
 tagging to your project easy and fun.
 
+``django-taggit`` works with Django 1.1 and 1.2 (see the issues documentation
+for known issues with older versions of Django), and Python 2.4-2.X.
+
 .. toctree::
    :maxdepth: 2
    

taggit/managers.py

-from collections import defaultdict
-
 import django
 from django.contrib.contenttypes.generic import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
@@ -13,6 +11,12 @@ from taggit.models import Tag, TaggedItem
 from taggit.utils import require_instance_manager
 
 
+try:
+    all
+except NameError:
+    # 2.4 compat
+    from django.utils.itercompat import all
+
 
 class TaggableRel(ManyToManyRel):
     def __init__(self, to):
@@ -183,8 +187,9 @@ class _TaggableManager(models.Manager):
             for obj in objs:
                 items[(getattr(obj, f.rel.field_name),)] = obj
         else:
-            preload = defaultdict(set)
+            preload = {}
             for result in qs:
+                preload.setdefault(result['content_type'], set())
                 preload[result["content_type"]].add(result["object_id"])
 
             for ct, obj_ids in preload.iteritems():

taggit/tests/tests.py

-from __future__ import with_statement
-from contextlib import contextmanager
-
 from django.test import TestCase
 
 from taggit.models import Tag, TaggedItem
@@ -16,16 +13,6 @@ class BaseTaggingTest(TestCase):
             tags.sort()
         self.assertEqual(got, tags)
     
-    @contextmanager
-    def assert_raises(self, exc_type):
-        try:
-            yield
-        except Exception, e:
-            self.assert_(type(e) is exc_type, "%s didn't match expected "
-                "exception type %s" % (e, exc_type))
-        else:
-            self.fail("No exception raised, expected %s" % exc_type)
-    
 
 class TaggableManagerTestCase(BaseTaggingTest):
     food_model = Food
@@ -66,10 +53,9 @@ class TaggableManagerTestCase(BaseTaggingTest):
         
         apple.delete()
         self.assert_tags_equal(self.food_model.tags.all(), ["green"])
-        
-        f = self.food_model()
-        with self.assert_raises(ValueError):
-            f.tags.all()
+
+        food_instance = self.food_model()
+        self.assertRaises(ValueError, lambda: food_instance.tags.all())
     
     def test_unique_slug(self):
         apple = self.food_model.objects.create(name="apple")

taggit/utils.py

-from functools import wraps
+from django.utils.functional import wraps
 
 def parse_tags(tags):
     if tags is None: