[Zope] Returning lists of tuples

[Kevin Dangoor]

----- Original Message -----
From: "James W. Howe" <jwh@allencreek.com>
To: <zope@zope.org>
Sent: Monday, February 28, 2000 1:07 PM
Subject: [Zope] Returning lists of tuples


> I've got situation where I want a dtml-method to return a list of tuple
> objects.  I then want to iterate over the tuples using a dtml-in
construct,
> displaying the various parts of the tuple.  For example, suppose I want to
> return a list of URL tags and names like this:
>
> <dtml-return "[('Go Here', 'foo.bar.com') , ('Go Somewhere Else',
> 'baz.foo.com')]">
>
> I would like to do something like this with this result:
>
> <dtml-in urltags>
> <a href="< url part from tuple >">< display part of tuple ></a>
> </dtml-in>
>
> Is there a way to do this and if so, what is the magical syntax to make
> this happen?  I'm also interested in knowing how I might use a collection
> of mapping objects in a similar manner.

(untested):

<dtml-in urltags>
<a href="<dtml-var "_['sequence-item'][1]">"><dtml-var
"_['sequence-item'][0]"></a>
</dtml-in>

The syntax is somewhat verbose, but should do the trick just fine.

Kevin