Evoque is a lightweight full-featured generic text templating engine. Key features are simplicity, no source file format constraints, support for a restricted execution mode, internally all string processing is done in unicode, totally dynamic template inheritance, extremely simple way for templates to address and call each other and how evaluation context is passed from one to the other, the concept of template collections where each may have own set of default settings, etc.
You are free to use Evoque Templating as the defualt templating engine in your Pylons application, or just use it for specific views alongside other templating engines. The detailed recipe for using Evoque Templating with Pylons is at: http://evoque.gizmojo.org/ext/pylons/
To install, just do:
Complete documentation is at: http://evoque.gizmojo.org/