"""

Example that sends a single message and exits using the simple interface.

You can use `simple_receive.py` (or `complete_receive.py`) to receive the
message sent.

"""
import eventlet
from eventlet import spawn

from Queue import Empty

from kombu import BrokerConnection

eventlet.monkey_patch()


def wait_many(timeout=1):

    #: Create connection
    #: If hostname, userid, password and virtual_host is not specified
    #: the values below are the default, but listed here so it can
    #: be easily changed.
    connection = BrokerConnection("amqp://guest:guest@localhost:5672//")

    #: SimpleQueue mimics the interface of the Python Queue module.
    #: First argument can either be a queue name or a kombu.Queue object.
    #: If a name, then the queue will be declared with the name as the queue
    #: name, exchange name and routing key.
    queue = connection.SimpleQueue("kombu_demo")

    while True:
        try:
            message = queue.get(block=False, timeout=timeout)
        except Empty:
            break
        else:
            spawn(message.ack)
            print(message.payload)

    queue.close()
    connection.close()


spawn(wait_many).wait()