[Zope] dtml methods and dictionaries

[Tres Seaver]

Evan Simpson <evan@4-am.com> wrote:
> 
> Philip Corp wrote:
> 
> > I need to write a dtml method which calls an external method, which
> > returns a dictionary, and have the dtml method lookup and use keys and
> > values from the dictionary. Is this even possible? If so how? I am
> > completely stuck! I would really appreciate any help with this. Thanks.
> 
> Just off the top of my head (untested!) the following sort of thing should
> work:
> 
> def AnExtMeth():
>     return {1: 'one', 2: 'two', 3: 'three'}
> 
> <dtml-let dict="AnExtMeth()">
>     <dtml-in expr="dict.items()">
> &dtml-sequence-key; &dtml-sequence-item;
>     </dtml-in>
> 1: <dtml-var expr="dict[1]">
> </dtml-let>
> 
> or <dtml-call expr="REQUEST.set('dict', AnExtMeth())"> to make the
> dictionary generally available.

Or for even *more* twisted fun:

  <dtml-call expr="REQUEST.other.update( AnExMeth() )">

sucks each key/value pair into the "default" namespace.

Can-you-say-"pollution"?-I-knew-you-could'ly,

Tres.
-- 
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Tres Seaver         tseaver@palladion.com    713-523-6582
Palladion Software  http://www.palladion.com