Massimo
Many thanks for your MY_VALIDATOR. It works fine and helps me
visualize writing my own validators. I still don't know what
IS_LIST_OF does though :-)
5 part days into learning web2py and python from scratch I think I
will leave t2 for a little while.
Thanks again,
Bill
On Oct 12, 5:27 pm, mdipierro <[EMAIL PROTECTED]> wrote:
> or you may want to consider
>
> from applications.plugin_t2.modules.t2 import T2
>
> db.yourtable.yourtable.widget=T2.tag_widget(['red','green','blue'])
>
> Masimo
>
> On Oct 12, 10:50 am, mdipierro <[EMAIL PROTECTED]> wrote:
>
> > class MY_VALIDATOR:
> > def __init__(self,theset=['red','green'],error_message='ouch!'):
> > self.theset=theset
> > self.em=error_message
> > def _call_(self,value):
> > items=[x.strip() for x in value.split(',')]
> > for item in items:
> > if not item in self.theset: return (value,self.em)
> > return (','.join(items),None)
>
> > On Oct 12, 9:19 am, billf <[EMAIL PROTECTED]> wrote:
>
> > > Can anyone help with the following?
>
> > > I want to validate an input string like "red,green,blue" where all the
> > > elements occur in a list,e.g.
> > > ['red','orange','yellow','green','blue','indigo','violet']
>
> > > such that "red,green,blue" is valid and "puce,yellow" is invalid.
>
> > > I was thinking that maybe IS_LIST_OF might be appropriate but I cannot
> > > work out how to use it. Would it be useful with the above
> > > requirement?
>
> > > Bill
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