Is it possible to implement better exception handling to warn about old signal/slots being used with a redirect to this bug report before exiting? -- anatoly t.
On Sat, Mar 10, 2012 at 7:09 PM, Blair Zajac <[email protected]> wrote: > Hi Renato, > > Thanks, however, we're porting an 80k LOC project from PyQt3, so we'll > be using the old signal/slot mechanism for now just to get the app > running and then we may cut over to the new signal/slots. > > I'll open a bug report to track this. > > Blair > > On 03/10/2012 05:45 AM, Renato Araujo wrote: >> Hi Blair, >> >> I recommend to you use the new singal/slot API[1], since this is a bug >> on the deprecated API this have low priority to fix. >> >> [1]http://qt-project.org/wiki/Signals_and_Slots_in_PySide >> >> >> Renato Araujo Oliveira Filho >> >> >> >> On Sat, Mar 10, 2012 at 5:23 AM, Blair Zajac<[email protected]> wrote: >>> Hello, >>> >>> I'm new to PySide develop so wanted to open this on the mailing list >>> before opening a ticket, being uncertain about bug policy on this project. >>> >>> The below script core dumps using PySide 1.1.0 on Ubuntu 12.04 Beta 1. >>> Can anyone else confirm this on their system. The same code doesn't >>> core dump on Ubuntu 11.10 with PySide 1.0.6. >>> >>> If it is reproducible, then it seems that it shouldn't core dump, even >>> if the code isn't valid PySide code. >>> >>> Below is a stack trace and the code. >>> >>> Thanks, >>> Blair >>> >>> PS We're moving a large project from PyQt3 to PySide, so that's how I >>> ran into this. >>> >>> >>> Core was generated by `python t3.py'. >>> Program terminated with signal 11, Segmentation fault. >>> #0 0x000000000041aec9 in PyObject_Call () >>> (gdb) bt >>> #0 0x000000000041aec9 in PyObject_Call () >>> #1 0x00000000004b5d96 in PyEval_CallObjectWithKeywords () >>> #2 0x00007f32da0052da in >>> PySide::SignalManager::callPythonMetaMethod(QMetaMethod const&, void**, >>> _object*, bool) () >>> from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1 >>> #3 0x00007f32da00575c in PySide::SignalManager::qt_metacall(QObject*, >>> QMetaObject::Call, int, void**) () >>> from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1 >>> #4 0x00007f32d958aad9 in QMetaObject::activate(QObject*, QMetaObject >>> const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 >>> #5 0x00007f32da005990 in PySide::SignalManager::qt_metacall(QObject*, >>> QMetaObject::Call, int, void**) () >>> from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1 >>> #6 0x00007f32da005fd7 in PySide::SignalManager::emitSignal(QObject*, >>> char const*, _object*) () from >>> /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1 >>> #7 0x00007f32da32d938 in ?? () >>> from /usr/lib/python2.7/dist-packages/PySide/QtCore.so >>> #8 0x00000000004b65c1 in PyEval_EvalFrameEx () >>> #9 0x00000000004b6b97 in PyEval_EvalFrameEx () >>> #10 0x00000000004bcd0d in PyEval_EvalCodeEx () >>> #11 0x00000000004bd7e2 in PyEval_EvalCode () >>> #12 0x00000000004dcc52 in run_mod () >>> #13 0x00000000004dd814 in PyRun_FileExFlags () >>> #14 0x00000000004de28e in PyRun_SimpleFileExFlags () >>> #15 0x00000000004ee6dd in Py_Main () >>> #16 0x00007f32da9e076d in __libc_start_main () >>> from /lib/x86_64-linux-gnu/libc.so.6 >>> #17 0x000000000041ce39 in _start () >>> >>> >>> >>> #!/usr/bin/python >>> >>> from PySide import QtCore, QtGui >>> >>> SIGNAL_NAME = 'testSignal' >>> >>> class EmitterClass(QtCore.QObject): >>> def __init__(self): >>> super(EmitterClass, self).__init__() >>> >>> def emitter(self): >>> self.emit(QtCore.SIGNAL(SIGNAL_NAME), 100) >>> >>> class ListeningClass(QtCore.QObject): >>> def __init__(self): >>> super(ListeningClass, self).__init__() >>> self.emitter = EmitterClass() >>> QtCore.QObject.connect(self.emitter, QtCore.SIGNAL(SIGNAL_NAME), >>> self.output) >>> >>> def output(self, number): >>> print number >>> >>> if __name__ == '__main__': >>> c = ListeningClass() >>> c.emitter.emitter() >>> _______________________________________________ >>> PySide mailing list >>> [email protected] >>> http://lists.qt-project.org/mailman/listinfo/pyside >> > > _______________________________________________ > PySide mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/pyside _______________________________________________ PySide mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/pyside
