bluetooth.py 文件源码

def __init__(self, onBluetoothConnected_callback, onPlayerChanged_callback):
        self.onBluetoothConnected_callback = onBluetoothConnected_callback
        self.onPlayerChanged_callback = onPlayerChanged_callback

        # Get the system bus
        try:
            dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
            self.bus = dbus.SystemBus()
        except Exception as ex:
            print("Unable to get the system dbus: '{0}'. Exiting. Is dbus running?".format(ex.message))
            return False

        adapter_path = bluezutils.find_adapter(None).object_path
        adapter = dbus.Interface(self.bus.get_object(bluezutils.SERVICE_NAME, adapter_path), "org.freedesktop.DBus.Properties")

        # Power on adapter
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "Powered", dbus.Boolean(1))
        # Set name to display in available connections
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "Alias", bluezutils.BT_DEVICE_NAME)
        # Set pairable on
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "Pairable", dbus.Boolean(1))
        # Set discoverable on
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "Discoverable", dbus.Boolean(1))
        # Set discoverable timeout to 0
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "DiscoverableTimeout", dbus.UInt32(0))
        # Set paraible time out to 0
        adapter.Set(bluezutils.ADAPTER_INTERFACE, "PairableTimeout", dbus.UInt32(0))

        bluezutils.show_adapter_info()

        self.path = "/test/agent"
        agent = bluezutils.Agent(self.bus, self.path)

        obj = self.bus.get_object(bluezutils.SERVICE_NAME, "/org/bluez");
        self.manager = dbus.Interface(obj, "org.bluez.AgentManager1")
        self.manager.RegisterAgent(self.path, "NoInputNoOutput")

        print("Bluetooth AgentManager registered")

        # listen for signal of remove adapter
#        self.bus.add_signal_receiver(self.interfaces_removed, bus_name=bluezutils.SERVICE_NAME, dbus_interface="org.freedesktop.DBus.ObjectManager", signal_name="InterfacesRemoved")

        # listen for signals on the Bluez bus
        self.bus.add_signal_receiver(self.device_property_changed, bus_name=bluezutils.SERVICE_NAME, signal_name="PropertiesChanged", path_keyword="device_path", interface_keyword="interface")

        # listen for signal of changing properties
        self.bus.add_signal_receiver(self.player_changed, bus_name=bluezutils.SERVICE_NAME, dbus_interface="org.freedesktop.DBus.Properties", signal_name="PropertiesChanged", path_keyword="path")

        print("Signals receiver registered")

        self.manager.RequestDefaultAgent(self.path)