One of the million and a half dependencies for Satchmo (the web store project for Django), Tiny RML2PDF seems to be the best kept secret on the web. Google it and you’ll get page after page of broken links to download the thing. So here’s one more working link to download it, the one that I finally found:
Chris Moffitt also put one here: http://www.satchmoproject.com/snapshots/
A note on installation: it’s nothing fancy. Just unpack the tarball, cd into the first trml2pdf directory, and move the internal trml2pdf directory into your Python path.