Initial packaging is available in git: http://anonscm.debian.org/cgit/pkg-grass/python-mapnik.git
The package was uploaded to unstable and is currently in NEW: https://ftp-master.debian.org/new/python-mapnik_1:0.0~20150708-c005502-1.html -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org