Florent Guillaume wrote: > Philipp von Weitershausen wrote: >> Hi there, >> >> I've filed an issue in the collector outlining a problem with old style >> classes and TALES traversal: http://www.zope.org/Collectors/Zope3-dev/635 >> >> In particular, I'm looking for comments on problem #2. > > Well, following the mantra of "explicit is better than implicit" I'd > rather have ZPT never call things magically, but I know that's not the > problem at hand and it poses backward compat problems anyway... Too bad > though.
Yup. We could think about this for some future release cycle, though. I'd very much be in favour of making nocall: the default and introduce something like call:. Then sniffing for callableness wouldn't be necessary. > For #2 I'd just do a check that type(C) is classobj, even though this > doesn't take care of proxied old-style classes (who uses those anyway?). I guess that'd be ok. > BTW your comment in the patch about getattr(ob, '__call__', _marker) > triggering acquisition isn't really true, as attributes starting with > '_' are never looked up by an implicit acquisition wrapper (although you > can still ask for them explicitely by using aq_acquire). Ah good, to know. I added this remark and your suggestion above to the issue transcript. I will commit a patch later this week. Philipp _______________________________________________ Zope3-dev mailing list [email protected] Unsub: http://mail.zope.org/mailman/options/zope3-dev/archive%40mail-archive.com
