INNER CODE UNIT · Python

qtsleep

toolsforexperiments/plottr · plottr/__init__.py:54

def qtsleep(delay_sec: float) -> None:
    """sleep function that allows QT event processing in the background."""
    loop = QtCore.QEventLoop()
    QtCore.QTimer.singleShot(int(delay_sec * 1000), loop.quit)
    loop.exec()


def qtapp() -> QtWidgets.QApplication:
    """make a QT application that can be interrupted by Ctrl+C in the terminal."""
    signal.signal(signal.SIGINT, signal.SIG_DFL)
    app = QtWidgets.QApplication(sys.argv)
    return app


_garbageCollector: Optional[GarbageCollector] = None


def enableEventLoopGarbageCollection(app: QtCore.QCoreApplication,

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