Python实现telnet服务器的方法

import threading 
class myThread(threading.Thread):
  def __init__(self,conn,add):
    threading.Thread.__init__(self)
    self.inputstr = ''
  self.connection=conn
  self.address=add
  def run(self):
  ii=0
    while True:
    self.connection.settimeout(50)
      buf = self.connection.recv(1024)
    if buf.rfind("n") > -1 : 
        print "**-"+self.inputstr
        self.connection.close() 
        break
      else: 
        self.inputstr+=buf
    if ii==0:
      self.connection.send(buf)
    ii+=1
        continue
if __name__ == '__main__': 
  import socket 
  sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
  sock.bind(('192.168.101.103',8014)) 
  sock.listen(5)
  while True: 
    try:
      connection,address = sock.accept()
      ithread=myThread(connection,address)
      ithread.start()
    except socket.timeout: 
      print 'time out'