if __name__ == "__main__":
getThreads = []
checkThreads = []
imgurlList('http://www.ivsky.com')
getPicThreads = []

#对每个目标网站开启一个线程负责抓取代理
for i in range(len(targets)):
t = ProxyGet(targets[i])
getThreads.append(t)

for i in range(len(getThreads)):
getThreads[i].start()

for i in range(len(getThreads)):
getThreads[i].join()

print '.'*10+"总共抓取了%s个代理" %len(rawProxyList) +'.'*10

#开启20个线程负责校验，将抓取到的代理分成20份，每个线程校验一份
for i in range(20):
t = ProxyCheck(rawProxyList[((len(rawProxyList)+19)/20) * i:((len(rawProxyList)+19)/20) * (i+1)])
checkThreads.append(t)

for i in range(len(checkThreads)):
checkThreads[i].start()

for i in range(len(checkThreads)):
checkThreads[i].join()

print '.'*10+"总共有%s个代理通过校验" %len(checkedProxyList) +'.'*10

#开启20个线程随机取一个代理下载图片
for i in range(20):
t = getPic(imgurl_list[((len(imgurl_list)+19)/20) * i:((len(imgurl_list)+19)/20) * (i+1)])
getPicThreads.append(t)

for i in range(len(getPicThreads)):
getPicThreads[i].start()

for i in range(len(getPicThreads)):
getPicThreads[i].join()

print '.'*10+"总共有%s个图片下载" %len(imgurl_list) +'.'*10

#代理排序持久化
f= open("proxy_list.txt",'w+')
for proxy in sorted(checkedProxyList,cmp=lambda x,y:cmp(x[3],y[3])):
#print "checked proxy is: %s:%s\t%s\t%s" %(proxy[0],proxy[1],proxy[2],proxy[3])
f.write("%s:%s\t%s\t%s\n"%(proxy[0],proxy[1],proxy[2],proxy[3]))
f.close()