Yes. No one solution is obviously better. It is good to have some
options.

Massimo

On Apr 2, 8:45 pm, Yarko Tymciurak <resultsinsoftw...@gmail.com>
wrote:
> On Apr 2, 7:14 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
>
> > db.table.field1.requires=IS_NULL_OR(IS_IPV4())
> > db.table.field2.requires=IS_NULL_OR(IS_IPV4()) if request.vars.field1
> > else IS_IPV4()
>
> Thank you for this, Massimo - this is a nice, compact idiom for using
> existing validators; I hadn't considered (don't know why not - it's
> obvious looking at it) this idiom in assigning to a "requires" field.
>
> My approach is more general - ANY situation where you want to do some
> combinatorial logic, or external checking: form.accepts( ...,
> dbio=False)...
>
> Good question, Jonathan! :-)
>
> - Yarko
>
>
>
> > On Apr 2, 10:32 am, Jonathan Lundell <jlund...@pobox.com> wrote:
>
> > > I think I've seen an answer to this one, but I can't find it.
>
> > > I've got a form with two Field's, both IS_IPV4(). The validation I'm 
> > > after is that one or both must be present; the only invalid case is both 
> > > of them null.
>
> > > How do I write that?

-- 
You received this message because you are subscribed to the Google Groups 
"web2py-users" group.
To post to this group, send email to web...@googlegroups.com.
To unsubscribe from this group, send email to 
web2py+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/web2py?hl=en.

Reply via email to