Python Script to create connections between tables

[Taras Taday]

I found a great lua script here http://wb.mysql.com/?p=271 but I could not find it anywhere, so I wrote a simple python script, that create connections between tables using predefined rules. It's works fine but when I try to delete such connection I could not do this. And if I restart the application then all the connections disappear.
Is this a mysql-workbench bug or I miss something?

You can find script and test diagram here:
http://mwb-autoconnect.googlecode.com/hg/

I tested it using windows version because of http://bugs.mysql.com/bug.php?id=50501