gistfile1.txt

import asyncio, itertools

data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]


def grouper(iterable, n):
    "Collect data into fixed-len chunks: stackoverflow.com/a/31185097/1119602"
    it = iter(iterable)
    return iter(lambda: list(itertools.islice(it, n)), [])


@asyncio.coroutine
def produce(q):
    for i in grouper(data, 4):
        #do some work
        for j in i:
            yield from q.put(j)
            print("put", j)
#        yield from asyncio.sleep(0.1)


@asyncio.coroutine
def consume(q):
    while True:
        print(" get>")
        value = yield from q.get()
        print(" <get", value)


queue = asyncio.Queue()
loop = asyncio.get_event_loop()
loop.create_task(consume(queue))
loop.run_until_complete(produce(queue))