[Zope] Converting REQUEST style lists into real lists

[Albert L. Ting]

Thomas B. Passin writes:
> From: "Thomas B. Passin" <tpassin@mitretek.org>
> To: <zope@zope.org>
> Subject: Re: [Zope] Converting REQUEST style lists into real lists
> Date: Tue, 24 Jul 2001 10:38:58 -0400
> 
> [Albert Ting]
> > 
> > Tomek Giela writes:
> > > From: Tomek Giela <zope@server.imagination.com.pl>
> > > To: zope@zope.org
> > > Subject: [Zope] Converting REQUEST style lists into real lists
> > > Date: Tue, 24 Jul 2001 04:19:53 +0000
> > > 
> > > When you put into your form:
> > > 
> > > <input type="checkbox" name="varia" value="1">
> > > <input type="checkbox" name="varia" value="2">
> > > <input type="checkbox" name="varia" value="3">
> > > <input type="checkbox" name="varia" value="4">
> > > <input type="checkbox" name="varia" value="5">
> > > <input type="checkbox" name="varia" value="6">
> > > 
> > > and then select first three of them and submit that form, 
> > > you'll get in form "action" document:
> > > 
> > > <dtml-var varia>
> > > 
> > > displayed as: ['1','2','3']
> > > 
> > > Is there an easy way to convert 'varia' into a list?
> > 
> 
> That ***is*** a list, and you can feed it to <dtml-in>
> 
> Cheers,
> 
> Tom P

Yes, that is a list, but not the list I'm looking for.  What I want is an
exhaustive list.  If the person selected every other checkbox in the above
example, starting with the first one, I want zope to return a six element
list like below.

	['1','','3','','5','']

Thanks,
Albert