...
    while len(stack) < count and _ret <= _maxret:
        result = __inner(user_id, count=count + 2)
        for feed in result:
            #: lock disini. proses kalau dapet lock.
            #: delete locknya setelah task selesai ditandai oleh worker.
            unlockkey = lock_byid(feed['id'], worker_id, ttl=1 * 60)
            if unlockkey:
                logger.debug_log("pid: {} | lock succeed: {}".format(worker_id, unlockkey))

                permitted_pid = redis.get(unlockkey)
                if worker_id == int(permitted_pid):
                    rsspost_setstatus("processed", 1, feed['id'], "upd")
                    logger.debug_log("pid: {} | setstatus succeed. {}".format(worker_id, unlockkey))
                    stack.append(feed)
                
                #: ok, now we do the unlock things
                unlock_byid(unlockkey, worker_id)
                logger.debug_log("pid: {} | unlock succeed. {} \n\n".format(worker_id, unlockkey))

            if len(stack) == count:
                break
        #: incr counter
        _ret += 1