python 爬虫爬取代理验证验证代理的速度？一直不能爬取，出现各种问题，求指导？？

[一字腾云]

import urllib2,re,threading,time,httplib
rawProxyList = []
checkedProxyList = []
portdicts ={'v':"3",'m':"4",'a':"2",'l':"9",'q':"0",'b':"5",'i':"7",'w':"6",'r':"8",'c':"1"}
targets = []
for i in xrange(1,9):
        target = r"http://www.cnproxy.com/proxy%d.html" % i
        targets.append(target)
p = re.compile(r'''<tr><td>(.+?)<SCRIPT type=text/javascript>document.write\(":"\+(.+?)\)</SCRIPT></td><td>(.+?)</td><td>.+?</td><td>(.+?)</td></tr>''')
class ProxyGet(threading.Thread):
    def __init__(self,target):
        threading.Thread.__init__(self)
        self.target = target
    def getProxy(self):
        print "目标网站： " + self.target
        req = urllib2.urlopen(self.target)
        result = req.read()
        matchs = p.findall(result)
        for row in matchs:
            ip=row[0]
            port =row[1]
            port = map(lambda x:portdicts[x],port.split('+'))
            port = ''.join(port)
            agent = row[2]
            addr = row[3].decode("cp936").encode("utf-8")
            proxy = [ip,port,addr]
            rawProxyList.append(proxy)
    def run(self):
        self.getProxy()
class ProxyCheck(threading.Thread):
    def __init__(self,proxyList):
        threading.Thread.__init__(self)
        self.proxyList = proxyList
        self.timeout = 5
        self.testUrl = "http://www.baidu.com/"
        self.testStr = "030173"
    def checkProxy(self):
        cookies = urllib2.HTTPCookieProcessor()
        for proxy in self.proxyList:
            proxyHandler = urllib2.ProxyHandler({"http" : r'http://%s:%s' %(proxy[0],proxy[1])})
            opener = urllib2.build_opener(cookies,proxyHandler)
            opener.addheaders = [('User-agent', 'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0')]
            t1 = time.time()
            try:
                req = opener.open(self.testUrl, timeout=self.timeout)
                result = req.read()
                timeused = time.time() - t1
                pos = result.find(self.testStr)
                if pos > 1:
checkedProxyList.append((proxy[0],proxy[1],proxy[2],timeused))
                else:
                     continue
            except httplib.BadStatusLine:
                pass
    def run(self):
        self.checkProxy()
if __name__ == "__main__":
    getThreads = []
    checkThreads = []
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 "总共抓取了%s个代理" %len(rawProxyList)
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 "总共有%s个代理通过校验" %len(checkedProxyList)