init.py 文件源码

def InitSignal(gui):
    def signal_action(signal):
        if signal.value is signal.SIGINT.value:
            print("\r", end="")
            logging.debug("Caught signal SIGINT(2)")
        gui.stop()

    def handler(*args):
        signal_action(args[0])

    def idle_handler(*args):
        GLib.idle_add(signal_action, priority=GLib.PRIORITY_HIGH)

    def install_glib_handler(sig):
        GLib.unix_signal_add(GLib.PRIORITY_HIGH, sig, handler, sig)

    SIGS = [getattr(signal, s, None) for s in "SIGINT".split()]
    for sig in filter(None, SIGS):
        signal.signal(sig, idle_handler)
        GLib.idle_add(install_glib_handler, sig, priority=GLib.PRIORITY_HIGH)