python线程Example
1 # -*- coding:utf-8 -*- 2 import time 3 import pymongo 4 from threading import Thread 5 from Queue import Queue 6 7 start = time.time() 8 9 f = open("ids.txt") 10 q = Queue() 11 12 def work(): 13 connection=pymongo.Connection('127.0.0.1',27017) 14 db = connection.pps_legual_cache 15 c = db.episode1 16 while 1: 17 line = q.get() 18 print c.find_one(int(line)) 19 q.task_done() 20 21 for i in range(5): 22 t = Thread(target=work) 23 t.setDaemon(True) 24 t.start() 25 26 27 for line in f.readlines(): 28 q.put(int(line)) 29 30 q.join() 31 32 end = time.time() 33 34 print end-start