[Zope-dev] ZPT: defer expression fix

[Dieter Maurer]

Christian Heimes wrote at 2005-3-28 21:03 +0200:
>PageTemplates have an undocumented features called defer:. It's a kind 
>of lazy initialization of variables.
>
>I've fixed to issues in my tiran-zpt-pydefer branch (svn):
>
>  * DeferWrappers weren't working inside a python expression because 
>PythonExpr didn't know about them
>
>  * DeferWrapper didn't cache the result of the expression like ordinary 
>vars do.
>
>I would like to merge my branch into 2.7 and 2.8 if I get an ok.

Maybe, the feature could get documented as well...

An undocumented feature is only half valuable...

-- 
Dieter