python支持断点续传的多线程下载示例

复制代码 代码如下:#! /usr/bin/env python#coding=utf-8 from __future__ import unicode_literals from multiprocessing.dummy import Pool as ThreadPoolimport threading import osimport sysimport cPicklefrom collections import namedtupleimport urllib2from urlparse import urlsplit import time # global locklock = th