def my_info(self, access_token):
        """doc: http://open.youku.com/docs/doc?id=23
        """
        url = 'https://openapi.youku.com/v2/users/myinfo.json'
        data = {'client_id': self.client_id,
                'access_token': access_token}
        r = requests.post(url, data=data)
        check_error(r)
        return r.json()
doc: http://open.youku.com/docs/doc?id=23