IS_EMPTY_OR http://web2py.com/book/default/chapter/07IS_EMPTY_OR Search for IS_EMPTY_OR in this page :
http://web2py.com/book/default/chapter/07 I think : requires = IS_EMPTY_OR <http://web2py.com/book/default/docstring/IS_EMPTY_OR>(IS_DATE <http://web2py.com/book/default/docstring/IS_DATE>()) Do what you want.. Richard On Tue, Nov 15, 2011 at 2:03 PM, Jay <jkel...@gmail.com> wrote: > In my app some input fields are optional. As an example, currently > IS_DATE() forces the date to be present. I was wondering if it makes > sense to allow Null or '' (empty) dates and then use IS_NOT_EMPTY() to > force a value to be present in that field. > > In general, does it appeal to web2py users to use this approach? Can > we change validators to allow this? I am happy to supply patches for > all affected validators, if it is agreeable. It would certainly be > more flexible. > > For now I have been writing a changed copy of the needed validators in > my db.py file. Is there a better way to do it?