adapter.py 文件源码

def __init__(self, adapter_addr=None):
        """Default initialiser.

        Creates the interface to the local Bluetooth adapter device.
        If address is not given then first device is list is used.

        :param adapter_addr: Address of Bluetooth adapter to use.
        """
        self.bus = dbus.SystemBus()

        if adapter_addr is None:
            adapters = list_adapters()
            if len(adapters) > 0:
                adapter_addr = adapters[0]

        self.path = dbus_tools.get_dbus_path(adapter=adapter_addr)
        self.adapter_object = self.bus.get_object(
            constants.BLUEZ_SERVICE_NAME,
            self.path)
        self.adapter_methods = dbus.Interface(self.adapter_object,
                                              constants.ADAPTER_INTERFACE)

        self.adapter_props = dbus.Interface(self.adapter_object,
                                            dbus.PROPERTIES_IFACE)

        self._nearby_timeout = 10
        self._nearby_count = 0
        self.mainloop = async_tools.EventLoop()

        self.bus.add_signal_receiver(dbus_tools.interfaces_added,
                                     dbus_interface=constants.DBUS_OM_IFACE,
                                     signal_name='InterfacesAdded')

        self.bus.add_signal_receiver(dbus_tools.properties_changed,
                                     dbus_interface=dbus.PROPERTIES_IFACE,
                                     signal_name='PropertiesChanged',
                                     arg0=constants.DEVICE_INTERFACE,
                                     path_keyword='path')