[Zope] Increment In PT?

Peter Bengtsson peter at fry-it.com
Mon Jul 30 13:32:22 EDT 2007


You can use the ZTUtils Iterator()


<div tal:define="iter python:modules['ZTUtils'].Iterator(range(1000))">
   <br tal:define="dummy iter/next" tal:replace="iter/number" />
   <br tal:define="dummy iter/next" tal:replace="iter/number" />
   <br tal:define="dummy iter/next" tal:replace="iter/number" />
</div>

Which might give you some freedom such as iter/Roman or iter/odd
The above is practically the same as:

   <br tal:repeat="i python:range(3)" tal:replace="i" />

Generally, if you can, use a Python Script or something. The Iterator 
is/was used in Plone templates to increment the tab index.

tonylabarbara at aol.com wrote:
> Hi;
> I´m trying to increment a variable in a page template. Here´s the 
> general idea in my code:
> 
> <div metal:define-macro="main" tal:define="x python:0">
>  
> <tal:block tal:define="x python:x + 1">
> <td>
> <input type="hidden" tal:attributes="value item/name; name 
> python:'item_name_' + `x`">
> 
> 
> Now, all of that works...once. That is, it increments from 0 to 1, but 
> not from 1 to 2! Each time I pass through the td element, I need it to 
> increment. I tried putting the tal definition in the td, but then it 
> didn´t even increment once! What do?
> TIA,
> Tony
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-- 
Peter Bengtsson,
work www.fry-it.com
home www.peterbe.com
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