Producer-Consumer 19.6

producer and consumer models

from Producer_Consumer.QueueTool import QueueProducer

from Producer_Consumer.QueueTool import QueueConsumer

from Producer_Consumer.QueueTool import QueueConsumerProcess

import multiprocessing

import json

def test_func(data):

“””test function”””

return json.dumps({“result”: data})

def test():

“””test”””

process_list = []

producer = QueueProducer()

lock = multiprocessing.Lock()

for i in range(4):

p = QueueConsumerProcess(target=test_func, input_queue=producer.queue, filename=”123.json”,

name=”process%d” % i, lock=lock)

p.start()

process_list.append(p)

for i in range(1000000):

producer.produce(str(i))

print “produce done”

for p in process_list:

p.stop()

p.join()

if __name__ == ‘__main__’:

test()