#!/usr/bin/env python3
import sys
import os

sys.path.append(os.path.abspath(os.path.dirname(__file__) + '/..'))

from dbus_next import Message, MessageType
from dbus_next.aio import MessageBus

import asyncio
import json

loop = asyncio.get_event_loop()


async def main():
    bus = await MessageBus().connect()

    reply = await bus.call(
        Message(destination='org.freedesktop.DBus',
                path='/org/freedesktop/DBus',
                interface='org.freedesktop.DBus',
                member='ListNames'))

    if reply.message_type == MessageType.ERROR:
        raise Exception(reply.body[0])

    print(json.dumps(reply.body[0], indent=2))


loop.run_until_complete(main())