In your example, list_chart is not a list of strings, it is a list of
tuples.
In my code, hostnames is just a list of hostnames. e.g.
('hostname1.example.com','hostname2.example.com')
I assume that you are trying to make the checkboxes default to true. For
me, they defaulted to being checked.
On Monday, December 12, 2016 at 3:50:58 PM UTC-6, 黄祥 wrote:
>
> trying the tricks but got error when the checkbox is empty (1 or all
> checkbox is empty, when all checkbox is on its work) :
> *e.g.*
> def test_form():
> redirect_url = 'test'
>
> list_chart = [(True, 'line'),
> (True, 'pie'),
> (True, 'bar') ]
>
> form = SQLFORM.factory(
> Field('chart', 'list:string',
> default = list_chart,
> widget = SQLFORM.widgets.checkboxes.widget,
> requires = [IS_IN_SET(list_chart, multiple = True) ] ) )
> if form.process().accepted:
> chart = form.vars.chart
> line = form.vars.line[0]
> pie = form.vars.pie[1]
> bar = form.vars.bar[2]
>
> response.new_window = URL(redirect_url, args = [chart] )
> #response.new_window = URL(redirect_url, args = [line, pie, bar] )
> elif form.errors:
> response.flash = T('Form has errors')
> return dict(form = form)
>
> *Traceback error:*
> line = form.vars.chart[0]
> IndexError: list index out of range
>
> any idea how to face it using web2py way?
>
> thanks and best regards,
> stifan
>
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