import asyncio
from aio_pika import connect, Message

async def main(future):
    USERNAME      = 'myuser'
    PASSWORD      = 'mypass'
    HOST          = 'localhost'
    PORT          = 5672
    QUEUE         = 'text'
    ROUTING_KEY   = 'example.text'
    message       = Message(
                        bytes('Hello', 'utf-8'),
                        content_type='text/plain',
                        headers={'foo': 'bar'}
                    )

    connection = await connect("amqp://{}:{}@{}/".format(USERNAME, PASSWORD, HOST), loop=loop)
    channel    = await connection.channel()
    exchange   = await channel.declare_exchange('direct', auto_delete=True)
    queue      = await channel.declare_queue(QUEUE, auto_delete=False)

    await queue.bind(exchange, ROUTING_KEY)

    # Receiving message
    print("waiting to recieve")
    incoming_message = await queue.get() #set as arg to get timeout: timeout=10
    print("recieved message")
    incoming_message.ack()
    print("acknowledged message")
    future.set_result(incoming_message.body) #.decode('utf-8')
    print("set future")

    #print("unbind")
    #await queue.unbind(exchange, ROUTING_KEY)
    ## await queue.delete()
    #print("close")
    #await connection.close()


def doit(future):
    print(future.result())
    loop.stop()

loop = asyncio.get_event_loop()
future = asyncio.Future()
asyncio.ensure_future(main(future))
future.add_done_callback(doit)
# loop.run_until_complete(main(loop))

try:
    loop.run_forever()
finally:
    loop.close()