You simply need in the model or in the action before SQLFORM
db. register.sample_name.requires=(IS_ALPHANUMERIC(),IS_LENGTH(maxsize=6))
On Wednesday, 8 January 2014 07:44:15 UTC-6, curly wrote:
>
> Hello,
>
> I'm trying to validate a list:string field with is_alphanumeric and
> is_length - trying to ensure that names are no longer than 6 alphanumeric
> characters in length. (I'm running web2py 2.8.1 in ubuntu 12.04)
>
> view:
> <li>Sample name *: {{=form.custom.widget.sample_name}}</li>
>
> controller:
> form = SQLFORM(db.register,fields=[..,'sample_name',...])
>
> if form.validate(onvalidation=validate_sample_name):
> form.vars.id = db.register.insert(**dict(form.vars))
> response.flash = 'Reg saved.'
> redirect(URL('samples', 'default', 'index'))
> elif form.errors:
> response.flash = 'form has errors'
> return dict(form=form)
>
> model:
> db.define_table(
> "register",
> .....
> Field('sample_name','list:string'),
> )
>
> def validate_sample_name(form):
> for sample in form.vars.sample_name:
> out,ers = IS_ALPHANUMERIC()(sample) and
> IS_LENGTH(maxsize=6)('sample')
> if ers:
> form.errors.sample_name = ers
>
>
> The above does check for alphanumeric characters but doesn't seem to check
> for the length of each sample name.
>
> Am I doing something wrong?
>
> Many thanks.
>
>
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