[mod_python] publisher recursive function

hi all,
i am using publisher for web scripting with mod_python in apache 2.
i have a html page with form 'action'attribute set to 'myscript.py/run'
which calls the script: 
#########
obj = myclass()
def run(req,i = 0):
    for f in req.form.list:
        collect_data #process and collect data using obj and f.value and htmlify it
    return collected_data  # displays result wrapped in a form sction set to 'myscript.py/run?i=1'
#########
now i wish to use use the definition run recursively on successive result form displays by keeping track of new data collected in the same object defined. how can i do it ? 
thanks in advance,
regards,
KM