How to use signal and slot in Python plugin which will invoke

Custom PyQt Signal doesn't work Why? - Coding - pyqt signal slot Define signals and slots In PyQt5, we use the pyqtsignal class to define signals This signal can only be defined in a subclass of QObject and must be defined pyqt signal slot Even in PyQt the speed of Qt signals Having written a few kioslaves decades ago, I feel pretty qualified to comment on Qt's signalslot

slot zombies Whenever a signal is emitted, by default PyQt simply throws it away! To take notice of a signal we must connect it to a slot In C++Qt, slots