How to get master scheduler notifications in independent application?

Philipp

Hey,

Im trying to create an independent application to collect some logs for me. How can I get notifications from the master scheduler? I tried to recreate the code from the dashboard, but so far I was not able to get any notifications.

def notify(message):
    print(message)

def main():
    app = QtW.QApplication(sys.argv)

    loop = QEventLoop(app)
    asyncio.set_event_loop(loop)

    client = Receiver("log", [], notify)
    loop.run_until_complete(client.connect("127.0.0.1", 3250))
    client.notify_cbs.append(notify)

I assume that errors like

ERROR:worker(1883,LED.py):root:Terminating with exception (TimeoutError: [WinError 10060] Ein Verbindungsversuch ist fehlgeschlagen
ERROR:master:artiq.master.scheduler:got worker exception in run stage, deleting RID 1883

should have shown up?

sb10q

Your code terminates as soon as the connection is established. Add loop.run_forever() at the end.

Philipp

Sorry, I dropped the last 2 lines

    gui = Gui(app)
    sys.exit(app.exec())

I execute the app, so the code keeps running.
But also a loop.run_forever() doesn't helpt.

Philipp

Okay found the solution: I used the wrong port (should have used 1067 not 3250). With run forever it works or alternatively withloop.run_until_complete(gui.exit_request.wait()), implemented as in the dashboards main window class.