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task_master.py
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task_master.py
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#!/bin/env python3
# -*- coding:utf-8 -*-
# task_master.py
#
# import random, time, queue
# from multiprocessing.managers import BaseManager
#
# # 发送任务的队列:
# task_queue = queue.Queue()
# # 接收结果的队列:
# result_queue = queue.Queue()
#
#
# # 从BaseManager继承的QueueManager:
# class QueueManager(BaseManager):
# pass
#
#
# # 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)
# # 绑定端口5000, 设置验证码'abc':
# manager = QueueManager(address=('', 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 results...')
# for i in range(10):
# r = result.get(timeout=10)
# print('Result: %s' % r)
# # 关闭:
# manager.shutdown()
# print('master exit.')
import random, time, queue
from multiprocessing import freeze_support
from multiprocessing.managers import BaseManager
# 发送任务的队列:
task_queue = queue.Queue()
# 接收结果的队列:
result_queue = queue.Queue()
# 从BaseManager继承的QueueManager:
class QueueManager(BaseManager):
pass
def return_task_queue():
global task_queue
return task_queue
def return_result_queue():
global result_queue
return result_queue
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=('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 results...')
for i in range(10):
r = result.get(timeout=10)
print('Result: %s' % r)
# 关闭:
manager.shutdown()
print('master exit.')
if __name__ == '__main__':
freeze_support()
test()