def __getResponse(self, data, cookies=None, headers=None):
        opener = urllib2.build_opener()
        opener.addheaders = self.getHeaders().items()
        if headers is not None:
            opener.addheaders += headers
        if cookies is not None:
            opener.addheaders += [('Cookie', cookies)]
        if data is not None:
            data = urllib.urlencode(self.encode_dict(data))
        logger.info('request: ' + self.__url + ' ' + str(data))
        try:
            response = opener.open(self.__url, data, timeout=8)
        except urllib2.HTTPError, e:
            logger.error('HTTP error:' + str(e.message))
            print 'HTTP error'
            response = None
        return response
    def sendRequest(self, data=None, cookies=None, getCookies=False, getContent=False):
        response = self.__getResponse(data, cookies)
        if response:
            content = self.__readContent(response)
            logger.info('response: ' + content)
            if getCookies:
                if getContent:
                   return Cookie.SimpleCookie(response.info().get('Set-Cookie')), content
                else:
                    return Cookie.SimpleCookie(response.info().get('Set-Cookie'))
            else:
                return content
        else:
            logger.info('response is None!')
            return None

# curl -i https://login.vk.com/
HTTP/1.1 302 Found
Server: Apache
Date: Mon, 20 Jun 2016 14:37:45 GMT
Content-Type: text/html; charset=windows-1251
Content-Length: 0
Connection: keep-alive
X-Powered-By: PHP/3.24294
Set-Cookie: remixlang=0; expires=Sat, 24 Jun 2017 20:59:32 GMT; path=/; domain=.vk.com
Pragma: no-cache
Cache-control: no-store
P3P: CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"
Location: http://vk.com/login.php?act=slogin&role=fast&no_redirect=1&to=&s=0