睿投顾,小型消毒柜,歌手2017第七期排名
本文实例讲述了Python优先队列实现方法。分享给大家供大家参考,具体如下:
1. 代码
import Queue import threading class Job(object): def __init__(self, priority, description): self.priority = priority self.description = description print 'New job:', description return def __cmp__(self, other): return cmp(self.priority, other.priority) q = Queue.PriorityQueue() q.put(Job(3,'Mid-level job')) q.put(Job(10,'Low-level job')) q.put(Job(1,'Important job')) def process_job(q): while True: next_job = q.get() print 'Processing job:', next_job.description q.task_done() workers = [threading.Thread(target=process_job,args=(q,)), threading.Thread(target=process_job,args=(q,)),] for w in workers: w.setDaemon(True) w.start() q.join()
2. 执行结果
New job: Mid-level job New job: Low-level job New job: Important job Processing job: Important job Processing job: Mid-level job Processing job: Low-level job
更多关于Python相关内容可查看本站专题:《》、《》、《》、《》及《》
希望本文所述对大家Python程序设计有所帮助。
如对本文有疑问,请在下面进行留言讨论,广大热心网友会与你互动!! 点击进行留言回复
Python爬虫:Request Payload和Form Data的简单区别说明
浅谈Python中threading join和setDaemon用法及区别说明
Python3-异步进程回调函数(callback())介绍
python继承threading.Thread实现有返回值的子类实例
Python中使用threading.Event协调线程的运行详解
网友评论