David wrote:
> ro wrote:
>>> You could also do something like:.
>>>
>>> ${display_pages(current_page and current_page.sub_pages or
>>> space.root_pages)}
>>>
>> It is very cool.
>> Which document introduce the syntax like this?
>>
> This isn't strictly Kid syntax. It is Python itself. Inside of the ${}
> you are able to you arbitrary Python expressions.
We should also mention that in Python 2.5 you can now write
${display_pages(
current_page.sub_pages if current_page else space.root_pages)}
It does the same as above but it will also work in the case when
current_page.sub_pages is false, and it is more readable.
See http://docs.python.org/whatsnew/pep-308.html for details.
-- Chris
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