postgresql triggers to update GUI?

[Robert Nikander]

Hi,

I am writing a python program that uses a postgresql db backend.  I would
like to update the gui whenever a change in certain tables occurs, so it
would be nice to use triggers rather than generating the 'events' when I
update the db.  That way I get cascading changes.  Does anyone know of a
python module that supports postresql triggers? ie: you can create a
trigger that calls a python function?  Is there another solution here
that I am missing?

Thanks,
Rob