Pyqt5: Timer In A Thread

Problem Description I'm trying to make an application that collects data, processes it, displays it, and some actuation (open/close valves, etc). As a practice for future applicati

Solution 1:

You have to move the QTimer to the DataCaptureThread thread, in addition to that when the run method ends, the thread is eliminated so the timer is eliminated, so you must avoid running that function without blocking other tasks. QEventLoop is used for this:

class DataCaptureThread(QThread):
    def collectProcessData(self):
        print ("Collecting Process Data")

    def __init__(self, *args, **kwargs):
        QThread.__init__(self, *args, **kwargs)
        self.dataCollectionTimer = QTimer()
        self.dataCollectionTimer.moveToThread(self)
        self.dataCollectionTimer.timeout.connect(self.collectProcessData)

    def run(self):
        self.dataCollectionTimer.start(1000)
        loop = QEventLoop()
        loop.exec_()