Evan Simpson wrote:
The only way (right now) to search for a property in the order PARENTS mentions them is to do so explicitly, by looping through the elements of PARENTS and checking their 'aq_explicit' for the property. Example Python snippet:
for p in REQUEST['PARENTS']: if hasattr(p.aq_explicit, propname): return getattr(p, propname) raise AttributeError, propname
I think you might be missing an else: and a couple or three tabs. ;) If I'm not wrong this should have a pretty elegant DTML equivalent: <dtml-in PARENTS> <dtml-with aq_explicit only> <dtml-if propname> <dtml-return proname> <dtml-else> <dtml-raise AttributeError><dtml-var propname></dtml-raise> </dtml-if> </dtml-with> </dtml-in> I'm not going to actually *test* it. Whether it works is left as an exercise to the reader. -- -Michel Pelletier http://www.zope.org/Members/michel/MyWiki Visit WikiCentral for the latest Zen: http://www.zope.org/Members/WikiCentral