python的Socketserver模块使用,异常处理

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*******************************************server.py*******************************************

#!/usr/bin/env python

#coding:utf-8

import SocketServer
import subprocess
import os,time

class HandlerTCP(SocketServer.StreamRequestHandler):
    def handle(self):
        try:
            while True:
                data = self.rfile.readline().strip()
                if data == '' or data == 'exit':
                    self.request.sendall('CTRL+C 退出')
                    self.finish()
                else:
                    A = subprocess.Popen("%s" % data,bufsize=0,stdout=subprocess.PIPE,shell=True)
                    Line = 1
                    while Line:
                        Line = A.stdout.readline()
                        if Line == "\r\n":
                            pass
                        else:
                            self.wfile.write('%s \n' % Line.strip())
                            Line = Line.strip()
                            if Line:
                                pass
                            else:
                                self.wfile.write("<<EOF")
        except Exception,e:
            A.kill()
            self.finish()
try:
    con = SocketServer.ThreadingTCPServer(('127.0.0.1',34),HandlerTCP)
    con.serve_forever()
except KeyboardInterrupt,e:
    con.server_close()
except Exception,e:
    if e[0] == 10048:
        print '端口已被占用,请重新启动程序'
    else:

print 'Good Bye',e[0]

*******************************************client.py*******************************************

#!/usr/bin/env python
#coding:utf-8

import socket
import os,sys

con = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
con.connect(('127.0.0.1',34))
#con.settimeout(2)
try:
    while True:
        try:
            Input = raw_input('Please Enter： ')
        except KeyboardInterrupt,e:
            con.close()
        if Input:
            con.send(Input+'\n')
            try:
                while True:
                    data = con.recv(2048)
                    if data:
                        if "<<EOF" not in data:
                            print data
                        else:
                            print data.split("<<")[0]
                            break
                    else:
                        break
            except KeyboardInterrupt,e:
                pass
        else:
            print '输入不能为空'
except Exception,e:
     print 'Good Bye'
     con.close()

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