I'm +1 for deprecating python: expressions in the context of views.
But I'm not sure what "deprecate" would mean; I doubt they can go
away entirely given the body of code that exists which uses them.
An interesting thing about python: expressions... I've found that
simple "python: foo['bar']" expressions are typically faster than
their path counterparts ("foo/bar") because they are more explicit.
This is not an argument to use them instead of path expressions, but
I thought it was interesting regardless in a I-didn't-expect-that
kind of way.
If there was even a small speed win in making TALES expression
parsing faster by removing support for python: in some backwards-
incompatible mode, that would be a *reason* to deprecate-in-code
rather than deprecate-in-documentation.
- C
On Dec 28, 2005, at 11:04 AM, Jim Fulton wrote:
Rocky Burt wrote:
Hi all,
Please don't mistake this as a proposal or anything of the sort but I
was just curious what the rest of the zope3 community thought on this
particular topic. (Please forgive me if this topic has been
exhaused to
death already)
Its my personal opinion that anytime a page template requires logic
complicated enough to warrant using a 'python:' expression, that
logic
should be re-thought and placed into a view class. I know that some
python: expressions are fairly simple, but for an HTML designer,
*any*
python: portions are dangerous to touch (and shouldn't be touched
by the
HTML designer).
What do you all think?
+1
Views make it much easier to keep Python code in Python modules.
python expressions should be strongly discouraged in ZPT, IMO.
Jim
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