This is not fixed in trunk.Please check that it works as you'd expect. I think so.
IS_NULL_OR(IS_IN_SET(...,multiple=True)) IS_NULL_OR(IS_IN_DB(...,multiple=True)) allow no seletcion without showing an empty option. Massimo On May 27, 3:52 pm, Fran <[email protected]> wrote: > When creating a UI to optionally set permissions on certain objects I > want to do: > db[table].access.requires = IS_NULL_OR(IS_IN_DB(db, 'auth_group.id', > 'auth_group.role', multiple=True)) > > However this breaks the Multi-select widget. > > Now obviously if one of the tags is 'NULL' then it wouldn't make sense > to store anything but NULL (or else treat the NULL as an error & > ignore it) > However the overall aim seems like a potentially common one. > > I can seemingly fix it by a simple patch: > --- gluon\validators.py.849 Wed May 27 21:48:05 2009 > +++ gluon\validators.py Wed May 27 21:48:10 2009 > @@ -1492,7 +1492,7 @@ > class IS_NULL_OR(object): > > def __init__(self, other, null=None): > - (self.other, self.null, self.multiple) = (other, null, False) > + (self.other, self.null, self.multiple) = (other, null, True) > > def set_self_id(self, id): > if hasattr(self.other, 'set_self_id'): > > What is the rationale for the current way of doing things? > > F --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
