mostly for our limited knowledge of python but we could certainly add it in the future if there is some interest ! While there is no official support we want to be able to fix things if they do not work. This said I had a look last night and we could probably add it soon as it seems simple enough
Django is a definite must have. People are finally starting to see the value in it and its powering some of the most heavily trafficked sites on the internet today (e.g. Pinterest, Instagram, etc.). Plus, the GIS tools in Django/PostgreSQL are unrivaled in open source offerings and beat some commercial ones even.