__init__.py 文件源码

def __init__(self, services=[], filters=[avahi.LOOKUP_RESULT_LOCAL],
                 interface=avahi.IF_UNSPEC, protocol=avahi.PROTO_INET):
        GObject.GObject.__init__(self)

        self.filters = filters
        self.services = services
        self.interface = interface
        self.protocol = protocol

        try:
            self.system_bus = dbus.SystemBus()
            self.system_bus.add_signal_receiver(
                self.avahi_dbus_connect_cb, "NameOwnerChanged", "org.freedesktop.DBus", arg0="org.freedesktop.Avahi")
        except dbus.DBusException as e:
            logger.error("Error Owning name on D-Bus: %s", e)
            sys.exit(1)

        self.db = ServiceTypeDatabase()
        self.service_browsers = {}
        self.started = False