2008/5/3 Christopher Arndt <[EMAIL PROTECTED]>:
> > The built-in validators don't interface with the database, but you
> > can certainly write your own.
> >
> > Any pointers about how to do this? I am just using TG for a week, so I
> > am a little blank on the subject.
>
> Here's a simple example:
>
> class UniqueEmail(validators.FancyValidator):
> """Validator to confirm a given email address is unique."""
>
> messages = {
> 'notUnique': u'This email address is already registered with '
> u'another account.'
> }
>
> def _to_python(self, value, state):
> # Assuming you defined a function to check uniqueness of
> # an email address in your model module
> if not model.email_is_unique(value):
> raise validators.Invalid(self.message('notUnique', state),
> value, state)
> return value
>
> Some doc links:
>
> - How to write your own validators:
> http://formencode.org/Validator.html#writing-your-own-validator
> - Applied to TurboGears: http://tinyurl.com/655szz
> - How to pass state to a validator: http://tinyurl.com/5be7et
Thank you. I have something to keep me busy. ;-}
--
Cecil Westerhof
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