pyqt: A correct way to connect multiple signals to the same function in pyqt (QSignalMapper not applicable)

Question

1. I\'ve ready many posts on how to connect multiple signals to the same event handler in python and pyqt. For example, connecting several buttons or comboboxes to the

Answer 1

in many cases the parameter carried by signal can be catched in another way, e.g. if an objectName is set for the sending object, so QSignalMapper can be used:

    self.signalMapper = QtCore.QSignalMapper(self)
    self.signalMapper.mapped[str].connect(myFunction)  

    self.combo.currentIndexChanged.connect(self.signalMapper.map)
    self.signalMapper.setMapping(self.combo, self.combo.objectName())

   def myFunction(self, identifier):
         combo = self.findChild(QtGui.QComboBox,identifier)
         index = combo.currentIndex()
         text = combo.currentText()
         data = combo.currentData()