[Zope3-Users] test() in TALES in Zope3

[Andreas Jung]

--On 1. Februar 2006 09:04:36 +0100 Frank Burkhardt <fbo2 at gmx.net> wrote:

> Hi,
>
> in Zope2 there's a test() method that can be used in TAL (*). Is there
> something comparable in Zope3?
>
> I know how to write such a method but how to make it available in the
> namespace of TALES-"python:"-expressions? I would like to write
> expressions like this:
>
> <div tal:attributes="class python: 'foo' + test(condition == True,'
> bar','')" />
>

You can write this in Python as

    condition and true_expression or false_expression

-aj
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