Added per-request cache to get_admin_interface_theme template tag #19

admin_interface/templatetags/admin_interface_tags.py

@@ -11,5 +11,17 @@ register = template.Library()
 @register.assignment_tag(takes_context = True)
 def get_admin_interface_theme(context):
 
-    return Theme.get_active_theme()
+    theme = None
+    request = context.get('request', None)
+
+    if request:
+        theme = getattr(request, 'admin_interface_theme', None)
+
+    if not theme:
+        theme = Theme.get_active_theme()
+
+    if request:
+        request.admin_interface_theme = theme
+
+    return theme