On Friday 18 May 2007 7:08 pm, Giovanni Bajo wrote: > On 5/14/2007 7:10 PM, Giovanni Bajo wrote: > >>>>>> If the new /Transfer/ function annotation were to be applied to > >>>>>> viewport() then a gc association would be established between > >>>>>> viewport > >>>>>> and ql with the ql Python object having a reference to the viewport > >>>>>> Python object. This would prevent viewport (and also o) from being > >>>>>> garbage collected until ql was. > >>>>> > >>>>> What about queryList()/findChildren()? In my original code, the > >>>>> C++-allocated instance was accessed through a queryList() call. It's > >>>>> basically the same (getting a reference to a C++ instance never seen > >>>>> before by Python), but I guess the annotation won't be enough... > >>> > >>> You didn't answer this: is the annotation going to work also for the > >>> queryList() / findChildren() case? > >> > >> It would work if it was applied - but I haven't applied it to PyQt4. > >> I've applied it to those methods that are known to return an > >> internally generated instance. > > > > findChildren() might or might not return an internally generated > > instance, depending... on the instance. I guess that needs to be handled > > in hand-generated code, right? > > Sorry for being dense, but I still don't understand what I should do for > code that accesses C++-generated objects through findChildren() and add > attributes to them.
This should all work in tonight's PyQt4 snapshot. I needed to convince myself that SIP would do the right thing. Phil _______________________________________________ PyQt mailing list [email protected] http://www.riverbankcomputing.com/mailman/listinfo/pyqt
