I must be doing something brain dead but I'm not sure what. When I
display a QFileDialog after having set a proxy model, I get a seg fault
when the QFileDialog tries to save it's state. Here's the top of the
stacktrace -- perhaps there is enough info here for someone else to be
able to tell where in the history() method something is going wrong?
Thread 0 Crashed:
0 QtGui 0x02498e53 QFileDialog::history()
const + 115
1 QtGui 0x02499115
QFileDialog::saveState() const + 229
2 QtGui 0x024995f7
QFileDialog::~QFileDialog() + 231
3 QtGui.so 0x01a4f137
sipQFileDialog::~sipQFileDialog() + 89
And here's how I'm adding the proxy to the QFileDialog.
dlg = QtGui.QFileDialog(parent, title, default_directory)
class MyFilterProxy(QtGui.QSortFilterProxyModel):
def filterAcceptsRow(self, source_row, source_parent):
logger.debug('MyFilterProxy: %s, %s' % (source_row,
source_parent))
return super(MyFilterProxy,
self).filterAcceptsRow(source_row, source_parent)
proxy = MyFilterProxy()
proxy.dynamicSortFilter = True # filter whenever the source data
changes
dlg.setProxyModel(proxy)
Is the problem that the QFileDialog is taking ownership of the proxy
instance and thus having memory fights with Python somehow? Or does
PyQt properly handle that situation? If not, what's the right way to
create a proxy instance so that this ownership over memory doesn't happen?
-- Dave
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