本文实例讲述了Python多线程下载文件的方法。分享给大家供大家参考。具体实现方法如下：
import httplib import urllib2 import time from threading import Thread from Queue import Queue from time import sleep proxy = 'your proxy'; opener = urllib2.build_opener( urllib2.ProxyHandler({'http':proxy}) ) urllib2.install_opener( opener ) ids = {}; for i in range(1,110): try: listUrl = "http://www.someweb.net/sort/list_8_%d.shtml" % (i); print listUrl; page = urllib2.urlopen(listUrl).read(); speUrl = "http://www.someweb.net/soft/"; speUrlLen = len(speUrl); idx = page.find(speUrl,0); while idx!=-1: dotIdx = page.find(".",idx + speUrlLen); if dotIdx != -1: id = page[idx + speUrlLen:dotIdx]; ids[id] = 1; idx = page.find("http://www.someweb.net/soft/",idx + speUrlLen); except: pass; q = Queue() NUM = 5 failedId = []; def do_somthing_using(id): try: url = "http://www.someweb.net/download.php?softid=%s&type=dx" % (id); h2 = httplib.HTTPConnection("your proxy", "you port"); h2.request("HEAD", url); resp = h2.getresponse(); header = resp.getheaders(); location = header[3][1]; sContent = urllib2.urlopen(location).read(); savePath = "C:someweb%s.rar" % (id); file=open(savePath,'wb'); file.write(sContent); file.close(); print savePath + " saved"; except: pass; def working(): while True: arguments = q.get() do_somthing_using(arguments) sleep(1) q.task_done() for i in range(NUM): t = Thread(target=working) t.setDaemon(True) t.start() for id in ids: q.put(id) q.join()
希望本文所述对大家的Python程序设计有所帮助。
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