How to use IS_NOT_IN_DB

[Morganti]

Hi,

I am creating a form with SQLFORM.factory. I have a field 'username' and 

Field('username','string',requires=[IS_NOT_EMPTY(), IS_NOT_IN_DB(db,'auth_user.username')]

and when try to use I am having the error:

<type 'exceptions.Exception'> Validation error, field:username <gluon.validators.IS_NOT_IN_DB object at 0x7ffaa4136310>

What's wrong?

Thanks

BR

André

[Richard Vézina]

I think you have to clone the field, in context of .factory

Richard

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[Richard Vézina]

Something like that : 

form_fields.append(db[request.args(0)][f].clone(requires=IS_EMPTY_OR(db[request.args(0)][f].requires)))

Richard