Frank Burkhardt wrote:
> 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','')" 
> />

<div tal:attributes="class python: 'foo' + (condition == True and 'bar' or '')" 
/>

HTH,
Igor
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