gh-83055: Prevent get/put item in asyncio.Queue when there are pending task or woken tasks - #160983

async def simplier_get_case():
    async def get_and_print(q):
        item = await q.get()
        print(f"\tGET: {item}, {str(q) = }")
 
    q = asyncio.Queue(1)
    g = 3
    for n in range(g):
        asyncio.create_task(get_and_print(q))
    await asyncio.sleep(0.0)

    # queue full: 1 item in queue, 2 items waiting into the _putters
    n = 1
    print(f'PUT: {await q.put(n) or n}')
    n += 1
    # queue not empty: 1 item in queue, 2 tasks the _putters
 
    # steal the free solt
    try:
        print(f"\tGET_NOWAIT steal a free slot: {q.get_nowait()}")
    except asyncio.QueueWithPendingTasks:
        g -= 1
        print("Failed to GET_NOWAIT item".center(60, '-'))
  
    # get all items
    for _ in range(g):
        print(f'PUT: {await q.put(n) or n}')
        n += 1
    await asyncio.sleep(0.0)

asyncio.run(simplier_get_case())