[Zope] Re: page templates and "python:"
tseaver at palladion.com
Mon Jul 3 11:48:53 EDT 2006
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Lennart Regebro wrote:
> On 7/3/06, Chris McDonough
> <chrism at plope.com> wrote:
>> Actually, I think python: expressions perform slightly better than
>> their path: counterparts because their evaluation step needs to do
>> less work (no guessing about getitem vs. getattr). Geoff Davis
>> taught me that. But in the end it's all dwarfed by the penalty
>> imposed by security, so it really doesn't much matter.
> Right. So the best and quickest is to prepare all the data in pure
> disk-based python.
> It's easy to do if you use the view methodology you get with Five, but
> there are other ways to do it if you don't want to use views.
My 'pushpage' package is an attempt to make this the "standard" pattern
(pushpage templates don't have *any* top-level names available to them
(i.e., 'context', 'container', 'request', etc.) except those passed to
their '__call__' as keyword arguments (which traditional ZPT exposes
The templates can be used from within methods of view classes, and can
also be published as "pages" via ZCML with the help of a user-defined
callable which computes the keyword arguments. E.g.:
In this example, 'somemodule.somefunction' returns the mapping which
'sometemplate' will use as its top-level namespace. The callable is
passed 'context' and 'request' as arguments.
Tres Seaver +1 202-558-7113 tseaver at palladion.com
Palladion Software "Excellence by Design" http://palladion.com
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