My take is that it's not the TAL features (tal:define, python:,
whatever) that invite misuse, but the available namespaces.
I have ported ZPT to Django [1][2] and found the experience
surprisingly refreshing. Django naturally does not have anything like
"container" or "context" in the Zope sense. And by Django policy,
templates don't even get to see the "request". The namespace Zope PTs
call "options" becomes the sole, top-level namespace in Django PTs.
This very effectively keeps me from pulling-in anything not provided
by the view in the first place. Everything -- even functions I want
to call in, say, conditions -- has to be added by the view. The
result is clean and fast templates.
Stefan
[1] http://www.djangoproject.com
[2] http://zope.org/Members/shh/DjangoPageTemplates/1.0.2/readme.txt
On 11. Feb 2006, at 21:03, Jean-Marc Orliaguet wrote:
I almost felt that something was missing, because I'm so used to
inserting "tal:define" in page templates. But now I realize that
this is a mistake.
There was a discussion recently on the list about python
expressions being a bad idea, think twice I would say that
"tal:define" is much worse:
When writing templates, the temptation is great to insert a
"tal:define" to pull some data into the view which is not directly
available in the model represented by the view. But the idea with a
template is that it should represent some data using some markup.
The data is supposed to be already available in some context. If
the presentation layer needs to cook some extra data, it means
that there isn't enough presentation data in the first place.
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