Pyscss

pyScss compiles Scss (Sass), a superset of CSS that is more powerful, elegant and easier to maintain than plain-vanilla CSS. The library acts as a CSS source code preprocesor which allows you to use variables, nested rules, mixins, and have inheritance of rules, all with a CSS-compatible syntax... Platforms: *nix

This module provides a convenient bit of glue code around pyScss, allowing your Pyramid projects to use stylesheets authored in SCSS. Platforms: *nix

There are a few other implementations, but didn't seem to support as many features of haml as well as integrating well with typical python template languages. This was written with Django in mind, but made room for other python web frameworks to integrate. Eventually, modules similar to the... Platforms: *nix