How to use the aliyun-python-sdk-core.aliyunsdkcore.vendored.requests.packages.urllib3.packages.socks.ProxyError function in aliyun-python-sdk-core

msg = "Error connecting to {0} proxy {1}".format(printable_type,
                                                             proxy_server)
            log.debug("%s due to: %s", msg, error)
            raise ProxyConnectionError(msg, error)

        else:
            # Connected to proxy server, now negotiate
            try:
                # Calls negotiate_{SOCKS4, SOCKS5, HTTP}
                negotiate = self._proxy_negotiators[proxy_type]
                negotiate(self, dest_addr, dest_port)
            except socket.error as error:
                # Wrap socket errors
                self.close()
                raise GeneralProxyError("Socket error", error)
            except ProxyError:
                # Protocol error while negotiating with proxy
                self.close()
                raise

class ProxyError(IOError):
    """Socket_err contains original socket.error exception."""
    def __init__(self, msg, socket_err=None):
        self.msg = msg
        self.socket_err = socket_err

        if socket_err:
            self.msg += ": {0}".format(socket_err)

    def __str__(self):
        return self.msg


class GeneralProxyError(ProxyError):
    pass


class ProxyConnectionError(ProxyError):
    pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):

pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):
    pass


class HTTPError(ProxyError):
    pass

SOCKS4_ERRORS = {
    0x5B: "Request rejected or failed",
    0x5C: ("Request rejected because SOCKS server cannot connect to identd on"
           " the client"),
    0x5D: ("Request rejected because the client program and identd report"
           " different user-ids")
}

SOCKS5_ERRORS = {
    0x01: "General SOCKS server failure",
    0x02: "Connection not allowed by ruleset",
    0x03: "Network unreachable",
    0x04: "Host unreachable",
    0x05: "Connection refused",

proxy_type=self._socks_options['socks_version'],
                proxy_addr=self._socks_options['proxy_host'],
                proxy_port=self._socks_options['proxy_port'],
                proxy_username=self._socks_options['username'],
                proxy_password=self._socks_options['password'],
                proxy_rdns=self._socks_options['rdns'],
                timeout=self.timeout,
                **extra_kw
            )

        except SocketTimeout as e:
            raise ConnectTimeoutError(
                self, "Connection to %s timed out. (connect timeout=%s)" %
                (self.host, self.timeout))

        except socks.ProxyError as e:
            # This is fragile as hell, but it seems to be the only way to raise
            # useful errors here.
            if e.socket_err:
                error = e.socket_err
                if isinstance(error, SocketTimeout):
                    raise ConnectTimeoutError(
                        self,
                        "Connection to %s timed out. (connect timeout=%s)" %
                        (self.host, self.timeout)
                    )
                else:
                    raise NewConnectionError(
                        self,
                        "Failed to establish a new connection: %s" % error
                    )
            else:

if socket_err:
            self.msg += ": {0}".format(socket_err)

    def __str__(self):
        return self.msg


class GeneralProxyError(ProxyError):
    pass


class ProxyConnectionError(ProxyError):
    pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):
    pass


class HTTPError(ProxyError):
    pass

SOCKS4_ERRORS = {
    0x5B: "Request rejected or failed",

pass


class ProxyConnectionError(ProxyError):
    pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):
    pass


class HTTPError(ProxyError):
    pass

SOCKS4_ERRORS = {
    0x5B: "Request rejected or failed",
    0x5C: ("Request rejected because SOCKS server cannot connect to identd on"
           " the client"),
    0x5D: ("Request rejected because the client program and identd report"
           " different user-ids")
}

SOCKS5_ERRORS = {
    0x01: "General SOCKS server failure",

def __init__(self, msg, socket_err=None):
        self.msg = msg
        self.socket_err = socket_err

        if socket_err:
            self.msg += ": {0}".format(socket_err)

    def __str__(self):
        return self.msg


class GeneralProxyError(ProxyError):
    pass


class ProxyConnectionError(ProxyError):
    pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):
    pass


class HTTPError(ProxyError):

return self.msg


class GeneralProxyError(ProxyError):
    pass


class ProxyConnectionError(ProxyError):
    pass


class SOCKS5AuthError(ProxyError):
    pass


class SOCKS5Error(ProxyError):
    pass


class SOCKS4Error(ProxyError):
    pass


class HTTPError(ProxyError):
    pass

SOCKS4_ERRORS = {
    0x5B: "Request rejected or failed",
    0x5C: ("Request rejected because SOCKS server cannot connect to identd on"
           " the client"),
    0x5D: ("Request rejected because the client program and identd report"
           " different user-ids")