raise HTTPError((statuscode, statusline[2]))
socks.HTTPError: (502, b'Proxy Error ( The specified Secure Sockets Layer (SSL) port is not allowed. ISA Server is not configured to allow SSL requests from this port. Most Web browsers use port 443 for SSL requests.  )')

#класс
request = urllib.request.Request(url)
hnds = [urllib.request.HTTPCookieProcessor(self.cookie_jar)]

if self.proxy:
    if self.proxy_isSocks:
        type = SocksHandler.PROXY_TYPE_SOCKS5
    else:            
        type = SocksHandler.PROXY_TYPE_HTTP
        
    usr = ''
    passw = ''
    if self.proxy_auth:
        usr, passw = self.proxy_auth.split(':')
        
    proxy_hnd = SocksHandler.SocksHandler(type,
                                    self.proxy, int(self.proxy_port), username=usr, password=passw)
    hnds.append(proxy_hnd)

opener = urllib.request.build_opener(*hnds)       # добавляем хэндлеры cookiejar и sockshandler 
response = opener.open(request, timeout=5)

#вызов
http.set_proxy('222.77.14.55:8088', 'http')
res = http.get('http://myip.yandex.ru')

import urllib2
req = urllib2.Request("http://www.python.org/")
req.set_proxy('60.171.37.134:8080', 'http')
print urllib2.urlopen(req, timeout=115).read()