add missing files

cms/utils.py

@@ -0,0 +1,22 @@
+import aircox.cms.routes as routes
+
+def tags_to_html(model, tags, sep = ', '):
+    """
+    Render tags as string of HTML urls. `self` can be a class, but in
+    this case, it `tags` must be provided.
+
+    tags must be an iterator on taggit's Tag models (or similar)
+
+    """
+    website = model._website
+    r = []
+    for tag in tags:
+        url = website.reverse(model, routes.TagsRoute, tags = tag.slug)
+        if url:
+            r.append('<a href="{url}">{name}</a>'.format(
+                url = url, name = tag.name)
+            )
+        else:
+            r.append(tag.name)
+    return sep.join(r)
+