Have you tried update_naive when using the after_update trigger? It should
avoid the infinite loop

El 30/7/2016 8:06, "Carlos Cesar Caballero" <desarro...@spicm.cfg.sld.cu>
escribió:

> Hi everyone, I am almost finishing a plugin for building automatic slug
> fields, but I want to build editable slugs.
>
> I can right now when the user creates a new record in the database, fill a
> field with the slug, but I need the ability to update it too.
> If the field is created for the very first time, I have an algoritm to
> create the slug (simply using the IS_SLUG validator), but if the field is
> edited, I need to use a different one, the problem is that the calculated
> field feature not specify whether the field is created or edited (or at
> least I don't find it), and I can't use the after_update trigger because it
> falls in an infinite loop when I update the field.
>
> How can I do that?
>
> Greetings.
>
> --
> Resources:
> - http://web2py.com
> - http://web2py.com/book (Documentation)
> - http://github.com/web2py/web2py (Source code)
> - https://code.google.com/p/web2py/issues/list (Report Issues)
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-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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