def get_next_task(context, task_limit):
counter = count()
queue = context.task_queue
while context.alive and not task_limit_reached(counter, task_limit):
task = queue.get()
if task is not None and not task.cancelled:
yield task
else:
queue.task_done()
def worker_get_next_task(channel, task_limit):
counter = count()
while not task_limit_reached(counter, task_limit):
yield fetch_task(channel)