Randall Kern writes:
In the case of DTML Documents, the following works fine:
dtml-var sequence-item
In the case of ZClasses, I have to use something like this:
dtml-with sequence-item
dtml-var index_html
/dtml-with
But this is rather ugly, and it's the sort of thing one shouldn't have =
to do in an oo system.
I understand you, but in all "oo" systems, you can avoid this
only if both objects have the same method.
In Zope, DTML objects have a "__call__" method which is
called automatically.
ZInstances do not have a "__call__" method.
What suggests to you, that these too should be unified
is the fact, that ZPublisher does it.
If an object has a "__call__", it is used; if not,
"index_html" is called, if it exists.
You may look at the mixin "ZCallable".
I do not know what it does but the name suggests, it might
perhaps help you.
Dieter
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