本文實例講述了Python優先隊列實現方法。分享給大家供大家參考，具體如下：
1. 代碼
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
import Queueimport threadingclass 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. 執行結果
|
1
2
3
4
5
6
|
New job: Mid-level jobNew job: Low-level jobNew job: Important jobProcessing job: Important jobProcessing job: Mid-level jobProcessing job: Low-level job |
希望本文所述對大家Python程序設計有所幫助。
原文鏈接：http://blog.csdn.net/xiecj_2006/article/details/42464681
