w pytonie na start
http://ralgozino.wordpress.com/2011/06/13/how-to-create-and-decode-a-qr-code-in-python-using-qrtools/
https://code.launchpad.net/~qr-tools-developers/+archive/daily
sudo add-apt-repository ppa:qr-tools-developers/daily
w czystym debianie po prostu dodaj
deb http://ppa.launchpad.net/qr-tools-developers/daily/ubuntu oneiric main
deb-src http://ppa.launchpad.net/qr-tools-developers/daily/ubuntu oneiric main
sudo apt-get update
sudo apt-get install python-qrtools qtqr
