Thanks you both. I ended up using Christoph's solution, but both
worked. Problem solved.

On 9 mayo, 05:26, Christoph Zwerschke <[email protected]> wrote:
> Am 09.05.2011 09:02 schrieb Alessandro Molina:
>
> > Import your predicate inside the myapp.lib.helpers module, you will be
> > able to access it as h.predicate inside all the templates.
>
> You can also add thenm in add_global_tmpl_vars, then you won't need the
> "h." prefix.
>
> > As predicates raise exceptions I would also create an helper to make
> > eadier to use it in py:if clauses
>
> Should not be necessary. Because predicates are "booleanized" in Pylons,
> you can just use them in py:if by writing their names.
>
> -- Christoph

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