The onsuccess parameter of form.process() seems to cover your problems: 
from http://web2py.com/books/default/chapter/29/7 
"""
onsuccess and onfailure can be functions like lambda form: 
do_something(form)
"""
 


Il giorno giovedì 17 maggio 2012 10:35:46 UTC+2, Gabriella Canavesi ha 
scritto:
>
> Hi all, 
> I have a simple table with 3 computed fields, the function that set 
> their values is almost the same. However, unfortunately I had to set up 
> three different functions because I didn't find a better approach. 
> The code: 
> db.define_table('cities', 
>                  Field('name', 'string', requires=IS_TRIM()), 
>                  Field('full_address', 'string',requires=IS_TRIM()), 
>                  Field("lat", "double", label=T('Latitude')), 
>                  Field("lgt", "double", label=T('Longitude'))) 
>
> db.cities.full_address.compute = compute_geoCode_place 
> db.cities.lat.compute = compute_geoCode_lat 
> db.cities.lgt.compute = compute_geoCode_lng 
>
> def compute_geoCode_place(r): 
>      g = geocoders.Google() 
>      place, (lat, lng) = g.geocode(r.name) 
>      return place 
>
> def compute_geoCode_lat(r): 
>      g = geocoders.Google() 
>      place, (lat, lng) = g.geocode(r.name) 
>      return lat 
>
> def compute_geoCode_lng(r): 
>      g = geocoders.Google() 
>      place, (lat, lng) = g.geocode(r.name) 
>      return lng 
>
> What I would like to find is a way to fire the execution of a function 
> when the form is submitted. More or less something like a compute action 
> at table level. 
>
> Regards, 
>
> -- 
>   Paolo 
>

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