Re: Making not_empty depend on other fields

Ian Bicking <[email protected]>
Newsgroups gmane.comp.python.formencode
Message-ID <[email protected]>
Paul Johnston wrote:
> Hi,
> 
> I have a form, on which some fields may be optional or compulsory, 
> depending on the value of a different field. I'm using FormEncode, 
> ToscaWidgets and TurboGears. I have a hacky solution, looking for a 
> neater one.
> 
> I realise I could use a compound validator, but this won't give me the 
> error reporting I want. I'd like the "please enter a value" message to 
> appear next to the fields. Using a compound validator would put a 
> message like "department: please enter a value" at the bottom of the form.

Did you try using formencode.validators.RequireIfMissing?  That should 
work, like chained_validators=RequireIfMissing(require='field1' 
missing='field2')

-- 
Ian Bicking : [email protected] : http://blog.ianbicking.org

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