Jim Bublitz wrote: > > On Tuesday 14 October 2008 14:21, Luke Kenneth Casson Leighton wrote: > >> the issue is that the wrapper objects aren't unique [don't return the >> same python object for a given DOM c++ object], due to the underlying >> c++ objects being typecast down to "Node*" (or Element*), and the use >> of the khtml.DOM.* "casting" functions being inadequate for the job. > > It's a bug in twine - the PyKDE code generator. It should be generating > code > to cast factory-generated types to their actual type, and does for a > variety > of base classes (eg, QObject). DOM::Node is specified in the project file > to > have a %ConvertToSubClassCode block generated for it, but it appears twine > is > ignoring those for any base class declared in a namespace (works for > >
ahhh. you are a star - thank you for letting me know that it's something that people are aware of, and is even, by the sounds of it, on its way to being fixed already. >> i cannot express enough how much _not_ fixing this makes khtml >> completely unusable. > > There were DOM applications written for PyKDE3, which also didn't do any > promotion of factory-generated DOM::Node objects, and nobody indicated it > was > a problem there. Which is why it was never checked. > yeah - it's only if you want to retrieve the nodes that you're adding, keep track of them (every single one created/added, in the case of the pyjamas API), identify them uniquely and make comparison-tests (node1 == node2) that you run into difficulties. > > Either way, it shouldn't be hard to fix. And then somebody (like people > who > need the feature and know how it should work) should write/contribute some > test code to make sure it stays fixed. > > _great_. it'd just be really exciting to have several different desktop ports for the pyjamas API, to be able to demonstrate the point that it's truly platform- and browser- _and- widget-set- independent. so... yeah, i'd be more than happy to write some simple tests. it's really easy/straightforward to demonstrate: should take about 30 lines of code. l. -- View this message in context: http://www.nabble.com/design-flaw-in-python-khtml-DOM-bindings-tp19982564p19992772.html Sent from the PyQt mailing list archive at Nabble.com. _______________________________________________ PyQt mailing list PyQt@riverbankcomputing.com http://www.riverbankcomputing.com/mailman/listinfo/pyqt
