-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtask_master.py
More file actions
64 lines (57 loc) · 2.15 KB
/
task_master.py
File metadata and controls
64 lines (57 loc) · 2.15 KB
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
# filename: task_master.py
# -*- coding: utf-8 -*-
# 服务端：往任务队列中放任务后， 从结果队列中获取结果
import random, time, Queue
from multiprocessing.managers import BaseManager
from multiprocessing import freeze_support
# 发送任务的队列
task_queue = Queue.Queue()
# 接收结果的队列
result_queue = Queue.Queue()
# 创建从BaseManager继承的QueueManager
class QueueManager(BaseManager):
pass
# win7 不能运行问题 用于替换lambda
def return_task_queue ():
global task_queue
return task_queue
def return_result_queue ():
global result_queue
return result_queue
# win7 问题 需要把代码放入函数中, 原因不明
def test ():
# 把两个Queue都注册到网络上, callable参数关联了Queue对象 :
# QueueManager.register('get_task_queue', callable=lambda: task_queue)
# QueueManager.register('get_result_queue', callable=lambda: result_queue)
QueueManager.register('get_task_queue', callable=return_task_queue)
QueueManager.register('get_result_queue', callable=return_result_queue)
# 绑定端口5000, 设置验证码'abc'
#manager = QueueManager(address=('', 5000), authkey=b'abc')
# win7需要写ip地址
manager = QueueManager(address=('127.0.0.1', 5000), authkey=b'abc')
# 启动Queue
manager.start()
# 获得通过网络访问的Queue对象
task = manager.get_task_queue()
result = manager.get_result_queue()
# 放几个任务进去
for i in range(10):
n = random.randint(0, 10000)
print('Put task %d...' % n)
task.put(n)
# 从result队列读取结果
print('Try get result...')
for i in range(10):
# 这里我自己加了异常捕获
# 运行这个后应该接着在另一个cmd中运行 task_worker.py, 不然一直获取不到数据
try:
r = result.get(timeout = 5)
print('Result: %s' % r)
except queue.Empty: # 老师的是Queue.Empty 我这里报错了, 改为 queue.Empty
print('result queue is empty.')
# 关闭
manager.shutdown()
print('master exit.')
if __name__ == '__main__':
freeze_support()
test()