qthread

PyQt: Connecting a signal to a slot to start a background operation

It shouldn’t matter whether the connection is made before or after moving the worker object to the other thread. To quote from the Qt docs: Qt::AutoConnection – If the signal is emitted from a different thread than the receiving object, the signal is queued, behaving as Qt::QueuedConnection. Otherwise, the slot is invoked directly, behaving as … Read more

Background thread with QThread in PyQt

I created a little example that shows 3 different and simple ways of dealing with threads. I hope it will help you find the right approach to your problem. import sys import time from PyQt5.QtCore import (QCoreApplication, QObject, QRunnable, QThread, QThreadPool, pyqtSignal) # Subclassing QThread # http://qt-project.org/doc/latest/qthread.html class AThread(QThread): def run(self): count = 0 while … Read more