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ro wrote:
> hi all
>
> I have change code as this:
>
> <?python if not current_page: page_set = space.root_pages elif
> current_page: page_set = current_page.sub_pages ?>
>
> ${display_pages(page_set)}
>
> It worked, but I think it is not the best way...
>
You could also do something like:.
${display_pages(current_page and current_page.sub_pages or
space.root_pages)}
Although that is not quite as readable.
The problem is that code inside a python processing instruction is
evaluated as Python code, which is different from markup which is
streamed inline. What you did isn't bad. There are several ways of
doing what you want. Another possible alternative:
<div py:if="current_page"
py:replace="display_pages(current_page.sub_pages)"/>
<div py:if="not current_page"
py:replace="display_pages(space.root_pages)"/>
I'm sure there are some others as well.
David
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