学习python的一些脚本

python生产者与消费者模型

# -*- coding:utf-8 -*-

import threading
import random
import time

gMoney = 1000
gLock = threading.Lock()
gTotalTimes = 10
gTime = 0
class Producer(threading.Thread):
    def run(self):
        global gMoney
        global gTime
        while True:
            money = random.randint(100,1000)
            gLock.acquire()
            if gTime >= gTotalTimes:
                gLock.release()
                break
            gMoney += money
            print "%s生产了%d元钱，剩余%d元钱" % (threading.current_thread(),money,gMoney)
            gTime += 1
            gLock.release()
            time.sleep(0.5)

class Consumer(threading.Thread):
    def run(self):
        global gMoney
        while True:
            money = random.randint(100,1000)
            gLock.acquire()
            if gMoney >= money:
                gMoney -= money
                print "%s消费者，消费了%d元，还剩%d元" %(threading.current_thread(),money,gMoney)
            else:
                if gTime >= gTotalTimes:
                    gLock.release()
                    break
            gLock.release()
            time.sleep(0.5)

def main():

    for x in range(5):
        t = Producer(name="生产者线程%d" % x)
        t.start()
    for x in range(3):
        t = Consumer(name="消费者线程%d" % x)
        t.start()

if __name__ == '__main__':
    main()
　　

#做个笔记    注意代码缩进。。。。。。

　　

python队列

# -*- coding:utf-8 -*-

import time
import Queue
import threading

# q = Queue.Queue(4)

# for x in range(4):
#     q.put(x)
# print q.qsize()  队列大小
# print q.full()  队列是否满
#
# for x in range(4):
#     print q.get()

#q.get(block=True) #默认阻塞

# q.put(block=True)

def set_value(q):
    index = 0
    while True:
        q.put(index)
        index += 1
        time.sleep(3)

def get_value(q):
    while True:
        print q.get()

def main():
    q = Queue.Queue()
    t1 = threading.Thread(target=set_value,args=[q])
    t2 = threading.Thread(target=get_value,args=[q])
    t1.start()
    t2.start()

if __name__ == '__main__':
    main()