Initial commit of the generic history app

apps/history/managers.py

@@ -0,0 +1,10 @@
+from django.db import models
+from django.contrib.contenttypes.models import ContentType
+from django.core.urlresolvers import reverse
+#from django.shortcuts import get_object_or_404
+
+
+class ObjectHistoryManager(models.Manager):
+    def get_url_for_object(self):
+        ct = ContentType.objects.get_for_model(self.instance)
+        return reverse('history_for_object', args=[ct, self.instance.pk])