Nice.
On Wednesday, January 8, 2014 2:43:16 PM UTC-5, Massimo Di Pierro wrote:
>
> Oops. I overlooked that this is a list field. I changed the IS_LIST_OF in
> trunk and now you can do:
>
> db.
> register.sample_name.requires=IS_LIST_OF((IS_ALPHANUMERIC(),IS_LENGTH(maxsize=6)))
>
> On Wednesday, 8 January 2014 12:48:24 UTC-6, Anthony wrote:
>>
>> For a list:-type field, I think you can only use IS_IN_SET(...,
>> multiple=True), IS_IN_DB(..., multiple=True), IS_NOT_EMPTY(), and
>> IS_LIST_OF(), no?
>>
>> IS_LIST_OF() takes only a single additional validator, so to apply
>> multiple validators using it, you would probably have to create a custom
>> validator that applies multiple validators.
>>
>> Anthony
>>
>> On Wednesday, January 8, 2014 1:04:36 PM UTC-5, Massimo Di Pierro wrote:
>>>
>>> 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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