I have a first cut at this. I have bundled it together with Python and pygtk and the other requirements with a small linux distribution - puppy racy 5.3 as a CD iso 160 Meg download - right click and save target as from:
http://www.weberp.org/uploads/ScreenShot...-puppy.iso
After download burn to CD then you can try it without installing a thing ... nice but a big download. You need a USB receipt printer (that has attachment for a cash-drawer).
To login user: a and password: a
The installed system is configured to expect a single character userid and password - you can configure this in options for longer userid passwords ... which would be sensible in a live situation.
It is configured to get the data off the
www.weberp.org/weberp/ demo currently It fails because of some interesting utf-8 characters - I am looking into this - it is either a shortcoming of python's xmlrpclib.py or php-xmlrpc used by webERP's api creating duff xml which cannot be parsed by xmlrpclib. However, it does work with my local install where there are no interesting utf-8 characters.
(Update: I found the issue the webERP api was not configured to use utf-8 encoding so I changed this and all is well :-)
To change it to work with your webERP installation go to Tools->Options and edit the xml-rpc server to the URL for your installation and enter the database name and userid/password for a webERP admin user for this installation.
Don't change the default customer/branch until you have pulled the data off your webERP installation ... it's a bug
It is installed under /usr/local/Counter-Logic and there is a manual explaining functionality.
Also set up a page on my web-site too.