[Zope3-Users] how to use invariant/validator? (z3c.form=1.6 and z3c.formui=1.3)

[Michael Howitz]

Am 19.09.2007 um 12:49 schrieb Mail_fuer_Kai at gmx.de:

> Hi,
>
> I want to use an invariant-check in an analogous manner like it is  
> described at the end of the message.
> There is answered that the bug is fixed, but the same causes are  
> still active.
> I'm using z3c.form=1.6 and z3c.formui=1.3
> What seems to be the trouble now?
>
> my code:
> class IAddressSearch(zope.interface.Interface):
>     ...
>     @zope.interface.invariant
>     def firstnameOrSurname( search ):
>         #import pdb; pdb.set_trace()
>         if search.firstname == None:
>             search.firstname = u''
>         if search.surname == None:
>             search.surname = u''
>         if len(search.firstname) == 0 and len(search.surname) == 0:
>             raise zope.interface.Invalid( u"""Enter firstname and/ 
> or surname.""")
>
>
> result of my Code:
> TypeError: tuple indices must be integers

Hi, can you please include a complete traceback to see where the  
exception occurres?

-- 
Yours sincerely,
Michael Howitz

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