Hey, If you are going to add weasyprint to debian, you can use the packaging I created in this Ubuntu ppa:
https://launchpad.net/~stoq-dev/+archive/ubuntu/lancamentos It has weasyprint 0.21 (need to update upstream's verison) and all of its dependencies that are not on debian. -- Thiago Bellini Ribeiro http://hackedbellini.org PGP: D70FD60E “Real knowledge is to know the extent of one's ignorance.” - Confucius