The code you posted works for me but I did found a bug in web2py that
would cause this problem.
The bug would show up if you were to import a module of define a local
variable in added_on(..) and prevent web2py from finding the
virtualfield.
I have not fixed the bug in trunk.
Massimo
On Jul 21, 4:37 am, Adi <aditya.sa...@gmail.com> wrote:
> Hi all,
>
> I am trying to create a virtual field that returns a pretty date for a
> given date.
> [web2py version - 1.79.2]
>
> db.py
> -------
> db.define_table('video', Field('created_on', 'datetime')
> class DisplayDate():
> def added_on(self):
> return gluon.tools.prettydate(self.video.created_on)
>
> controller
> --------------
> db.video.virtualfields.append(DisplayDate())
> videos=db( some query here).select()
> return dict(videos=videos)
>
> view
> ------
> {{for v in videos:}}
> <div>v.video.added_on</div>
>
> This gives me: KeyError: 'added_on'
>
> What am I doing wrong? I used this as
> reference:http://thadeusb.com/weblog/2009/12/31/web2py_virtualfields_as_an_orm_...
