Thanks, good to know...
On Wednesday, January 18, 2017 at 11:23:20 PM UTC+1, Anthony wrote:
>
> If you are going to use a callable as the first argument to IS_EXPR, then
> that callable should either return None (if no error) or an error message
> (not sure why it was done that way -- and it's not documented).
>
> Anthony
>
> On Wednesday, January 18, 2017 at 12:13:36 PM UTC-5, Jorrit wrote:
>>
>> I have this model, where I want to validate that the end_timeslot is not
>> below the start_timeslot:
>>
>> db.define_table('staffingexception',
>> Field('employee_id', 'reference auth_user'),
>> Field('from_date', 'date', required=True),
>> Field('to_date', 'date', required=True),
>> Field('from_location', 'reference location', required=True),
>> Field('to_location', 'reference location', required=True),
>> Field('start_timeslot', 'text', required=True),
>> Field('end_timeslot', 'text', required=True),
>> )
>>
>> db.staffingexception.to_location.requires = IS_IN_DB(db, 'location.id',
>> '%(name)s')
>> db.staffingexception.end_timeslot.requires = IS_EXPR(lambda value:
>> int(value) > int(request.post_vars.start_timeslot),
>> error_message='Eindtijd
>> moet na de starttijd liggen.')
>>
>>
>> This raises either True of False as an error, instead of passing it when
>> the expression evaluates to True. What am I doing wrong?
>>
>
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