使用非阻塞加多线程的方式，轻松实现python网络服务器框架。 工作总结

   由于Python天生的优点，特别适用于快速实现功能。    

#!/usr/bin/python2.7  import sys  import time  import socket  #import modbus  import threading  import select  class thread(threading.Thread):      def __init__(self,sock):          threading.Thread.__init__(self)          #self.commond=modbus.modbus()          self.sock=sock      def run(self):          time1=time.time()-10          time2=time.time()          try:              while True:                  cr,cw,ce=select.select([self.sock],[],[self.sock],1)                  time2=time.time()                  if cr:#//can read                      stream=self.sock.recv(1024)                      if not stream:                          break                      #self.commond.parse(stream)                  if ce:                      break                  if time2-time1>10:#//10s write once                      #self.sock.send(self.commond.get_all_data_by_address(0x01))                      time1=time.time()          except Exception as error:              print(error)          finally:              self.sock.close()              print('connect closed')              if __name__=='__main__':      sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)      sock.bind(('127.0.0.1',8000))      sock.listen(0)      thread_list=list()      try:          while True:              s,ip=sock.accept()              print('new connect :%s:%d'%(ip[0],ip[1]))              t=thread(s)              t.start()              thread_list.append(t)      finally:          sock.close()          for i in thread_list:              i.sock.close()          print('\b\blistening exit')

  一个轻量级服务器程序，modbus模块是我进行数据的相关处理的逻辑，注释掉了。