Dieter Maurer skrev:
Yuri wrote at 2006-11-28 14:23 +0100:
here: http://docs.neuroinf.de/programming-plone/ate we can read:
obj = brain.getObject().aq_base
why .aq_base and not only brain.getObject()? :)
Usually, it is a bad idea to use "aq_base" in Zope applications
You should carefully examine the context of the code fragment above.
Maybe, the context is one of the rare situations where "aq_base"
is called for...
Why is it rare?
I often need to check if an object has a certain attribute. Getting
aquisition into the mix is a bad idea there.::
name = getattr(obj, 'name')
Is a lot different than
name = getattr(obj.aq_base, 'name')
In the first example you don't know if the name attribute is an aquired
object or an attribute on the actual object. Which can make for
uncontrollable results.
--
hilsen/regards Max M, Denmark
http://www.mxm.dk/
IT's Mad Science
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