High-level server-side include style templating language
WSGIOverlay is a high-level templating language, similar to HTML Overlays and Server Side Includes. It is intended to facilitate the composing of multiple applications into a single web site, sharing style and combining data from the applications into a single view. This is done in a way that is neutral of underlying templating languages and frameworks.
This can be installed from the repository with easy_install WSGIOverlay==dev