post gui for PyQt

gistfile1.py

class postGui(QtCore.QObject):
    
    throughThread = QtCore.pyqtSignal(object, object)    
    
    def __init__(self, func):
        super(postGui, self).__init__()
        self.throughThread.connect(self.onSignalReceived)
        self._func = func
        self._obj = None
        
    def __get__(self, obj, cls=None):    
        self._obj = obj
        return self.emitSignal
        
    def emitSignal(self, *args, **kwargs):
        self.throughThread.emit(args, kwargs)
        
    def onSignalReceived(self, args, kwargs):
        if self._obj is None:
            return self._func(*args, **kwargs)
        return self._func(self._obj, *args, **kwargs)