extract the following archive and FTP the OnDemand folder to
/usr/lib/enigma2/python/Plugins/Extensions/
then issue the following command via a telnet session.
init 4 && opkg install python-lxml python-beautifulsoup python-dnspython && init 3
be aware however that this is still a WIP ( work in progress ) and therefore not the finished article.
you can keep upto date with developments via the GIT.
EDIT the above is for the ViX image, i am not sure if it will work on any other image yet.