python 上传下载文件

server.py

#!/usr/bin/env python
# -*- coding:utf- -*-
import SocketServer
import os

class MySocketServer(SocketServer.BaseRequestHandler):

    def handle(self):
        filename_dir = '/home/feng/feng'
        conn = self.request
        data = conn.recv()
        filename,filename_size = data.strip().split('|')

        print filename,filename_size

        recv_size = 

        file_dir=os.path.join(filename_dir,filename)

        f = open(file_dir,'w+')

        while True:
            if int(filename_size) != recv_size :
                data = conn.recv()
                recv_size += len(data)
                print int(filename_size),recv_size
                f.write(data)
            else:
                break
            # else:
            #     data = conn.recv(int(filename_size) - recv_size)
            #     print int(filename_size) - recv_size
            #     break
        print 'upload successed.......'

if  __name__ == '__main__':
    ip_port = ('127.0.0.1',)
    server = SocketServer.ThreadingTCPServer(ip_port,MySocketServer)
    server.serve_forever()

=======================================
client.py
#!/usr/bin/env python
# -*- coding:utf- -*-
import socket
import os

client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
ip_port = ('127.0.0.1',)
client.connect(ip_port)

while True:
    filepath = raw_input('请输入方法和上传路径:/root/1.txt:  ')
    filename_size = os.stat(filepath).st_size
    filename = os.path.basename(filepath)

    print '#####################'
    print filepath,filename_size
    print '#####################'

    client.send(filename + '|' + str(filename_size))
    send_size = 

    f = open(filepath,'r')

    Flag = True
    while Flag:
        if filename_size != send_size:
            data = f.read()
            send_size += len(data)
            client.send(data)
        else:
            Flag=False
    f.close()
    client.close()