#659: SelectionFields with Int validators don't like no values
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Reporter: xentac | Owner: anonymous
Type: defect | Status: new
Priority: normal | Milestone:
Component: Widgets | Version:
Severity: critical | Keywords:
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If you create a CheckBoxList that uses a Int validator (by making sure all
the options you pass in have integer values), you'll get an error trying
to
submit a form with nothing checked.
Apparently, formencode's ForEach has convert_to_list set, so a blank
string
is converted to [''], and then '' is passed to the int validator and it
doesn't accept it.
I couldn't find an unugly or straigtforward way to fix this... I ended up
creating my own validator like this:
self.validator = formencode.ForEach(convert_to_list=False, if_empty=[])
self.validator.validators = [validators.Int()]
The problem with this is that if there is nothing checked, the variable
passed to my method (**data, because I'm using the fast data controller)
on
form submit, doesn't exist.
--
Ticket URL: <http://trac.turbogears.org/turbogears/ticket/659>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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