老男孩 python学习自修第二十二天【文件上传与下载】

1.使用socket实现文件上传

server.py

#!/usr/bin/env python
# _*_ coding:UTF-8 _*_

import os
import SocketServer

class MyServer(SocketServer.BaseRequestHandler):
    def handle(self):
        base_path = "/Users/liudaoqiang/"
        conn = self.request
        print "connected"

        while True:
            pre_data = conn.recv(1024)
            cmd, file_name, file_size = pre_data.split("|")

            recv_size = 0
            file_dir = os.path.join(base_path, file_name)
            f = file(file_dir, "wb")

            Flag = True
            while Flag:
                if int(file_size) > recv_size:
                    data = conn.recv(1024)
                    recv_size += len(data)
                else:
                    recv_size = 0
                    Flag = False
                f.write(data)
                print "upload success"
                f.close()


instance = SocketServer.ThreadingTCPServer(("127.0.0.1", 9999), MyServer)
instance.serve_forever()

client.py

# !/usr/bin/env python
# _*_ coding:UTF-8 _*_

import socket
import os

if __name__ == "__main__":

    client = socket.socket()
    ip_port = ("127.0.0.1", 9999)
    client.connect(ip_port)

    while True:
        input = raw_input(">>>>")
        cmd, path = input.split("|")
        file_name = os.path.basename(path)
        file_size = os.stat(path).st_size
        client.send(cmd + "|" + file_name + "|" + str(file_size))

        send_size = 0
        f = file(path, "rb")
        Flag = True

        while Flag:
            if send_size + 1024 > file_size:
                data = f.read((file_size - send_size))
                Flag = False
            else:
                data = f.read(1024)
                send_size += 1024

        f.close()
    client.close()