rhel 6.4 pip 出现代理错误：名称或服务未知

Question

pip 命令

pip search statsd --proxy=http://anadi.misra:[email protected]:8080

现在我的密码也包含@，因此我在密码中给出了编码形式；即

some@pass 以 some%40pass 的形式提供，但我收到异常名称或服务未知，这让我感觉这里仍然存在一些语法问题，异常日志：

Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/pip/basecommand.py", line 139, in main
    status = self.run(options, args)
  File "/usr/lib/python2.6/site-packages/pip/commands/search.py", line 38, in run
    pypi_hits = self.search(query, index_url)
  File "/usr/lib/python2.6/site-packages/pip/commands/search.py", line 52, in search
    hits = pypi.search({'name': query, 'summary': query}, 'or')
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request
    verbose=self.__verbose
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1235, in request
    self.send_content(h, request_body)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1349, in send_content
    connection.endheaders()
  File "/usr/lib64/python2.6/httplib.py", line 908, in endheaders
    self._send_output()
  File "/usr/lib64/python2.6/httplib.py", line 780, in _send_output
    self.send(msg)
  File "/usr/lib64/python2.6/httplib.py", line 739, in send
    self.connect()
  File "/usr/lib64/python2.6/httplib.py", line 720, in connect
    self.timeout)
  File "/usr/lib64/python2.6/socket.py", line 553, in create_connection
    for res in getaddrinfo(host, port, 0, SOCK_STREAM):
gaierror: [Errno -2] Name or service not known

Storing complete log in /root/.pip/pip.log

不过，/etc/yum.conf 中的相同代理配置也适用于 yum