Requirements:

I. PDF generation 
    PyQRcode 1.0 [pypi pyqrcode]
    pypng 0.0.17 [pypi pypng]
    django-bleach 0.3.0 [pypi django-bleach]
    wkhtmltox 0.12.2.1 [*.deb from http://wkhtmltopdf.org/downloads.html]

II. %TODO%