python3实现ftp服务功能(客户端)


Posted in Python onMarch 24, 2017

本文实例为大家分享了python3实现ftp服务功能的具体代码,供大家参考,具体内容如下

客户端 main代码:

#Author by Andy
#_*_ coding:utf-8 _*_
'''
This program is used to create a ftp client

'''
import socket,os,json,time,hashlib,sys
class Ftp_client(object):
 def __init__(self):
  self.client = socket.socket()
 def help(self):
  msg = '''useage:
  ls
  pwd
  cd dir(example: / .. . /var)
  put filename
  rm filename
  get filename
  mkdir directory name
  '''
  print(msg)
 def connect(self,addr,port):
  self.client.connect((addr,port))
 def auth(self):
  m = hashlib.md5()
  username = input("请输入用户名:").strip()

  m.update(input("请输入密码:").strip().encode())
  password = m.hexdigest()
  user_info = {
   'action':'auth',
   'username':username,
   'password':password}
  self.client.send(json.dumps(user_info).encode('utf-8'))
  server_response = self.client.recv(1024).decode()
  # print(server_response)
  return server_response
 def interactive(self):
  while True:
   msg = input(">>>:").strip()
   if not msg:
    print("不能发送空内容!")
    continue
   cmd = msg.split()[0]
   if hasattr(self,cmd):
    func = getattr(self,cmd)
    func(msg)
   else:
    self.help()
    continue
 def put(self,*args):
  cmd_split = args[0].split()
  if len(cmd_split) > 1:
   filename = cmd_split[1]
   if os.path.isfile(filename):
    filesize = os.stat(filename).st_size
    file_info = {
     "action":"put",
     "filename":filename,
     "size":filesize,
     "overriding":'True'
    }
    self.client.send( json.dumps(file_info).encode('utf-8') )
    #防止粘包,等待服务器确认。
    request_code = {
     '200': 'Ready to recceive data!',
     '210': 'Not ready to received data!'
    }
    server_response = self.client.recv(1024).decode()
    if server_response == '200':
     f = open(filename,"rb")
     send_size = 0
     start_time = time.time()
     for line in f:
      self.client.send(line)
      send_size += len(line)
      send_percentage = int((send_size / filesize) * 100)
      while True:
       progress = ('\r已上传%sMB(%s%%)' % (round(send_size / 102400, 2), send_percentage)).encode(
        'utf-8')
       os.write(1, progress)
       sys.stdout.flush()
       time.sleep(0.0001)
       break
     else:
      end_time = time.time()
      time_use = int(end_time - start_time)
      print("\nFile %s has been sent successfully!" % filename)
      print('\n平均下载速度%s MB/s' % (round(round(send_size / 102400, 2) / time_use, 2)))
      f.close()
    else:
     print("Sever isn't ready to receive data!")
     time.sleep(10)
     start_time = time.time()
     f = open(filename, "rb")
     send_size = 0
     for line in f:
       self.client.send(line)
       send_size += len(line)
       # print(send_size)
       while True:
        send_percentage = int((send_size / filesize) * 100)
        progress = ('\r已上传%sMB(%s%%)' % (round(send_size / 102400, 2), send_percentage)).encode(
         'utf-8')
        os.write(1, progress)
        sys.stdout.flush()
        # time.sleep(0.0001)
        break
     else:
      end_time = time.time()
      time_use = int(end_time - start_time)
      print("File %s has been sent successfully!" % filename)
      print('\n平均下载速度%s MB/s' % (round(round(send_size / 102400, 2) / time_use, 2)))
      f.close()
   else:
    print("File %s is not exit!" %filename)
  else:
   self.help()
 def ls(self,*args):
  cmd_split = args[0].split()
  # print(cmd_split)
  if len(cmd_split) > 1:
   path = cmd_split[1]
  elif len(cmd_split) == 1:
   path = '.'
  request_info = {
   'action': 'ls',
   'path': path
  }
  self.client.send(json.dumps(request_info).encode('utf-8'))
  sever_response = self.client.recv(1024).decode()
  print(sever_response)
 def pwd(self,*args):
  cmd_split = args[0].split()
  if len(cmd_split) == 1:
   request_info = {
    'action': 'pwd',
   }
   self.client.send(json.dumps(request_info).encode("utf-8"))
   server_response = self.client.recv(1024).decode()
   print(server_response)
  else:
   self.help()
 def get(self,*args):
  cmd_split = args[0].split()
  if len(cmd_split) > 1:
   filename = cmd_split[1]
   file_info = {
     "action": "get",
     "filename": filename,
     "overriding": 'True'
    }
   self.client.send(json.dumps(file_info).encode('utf-8'))
   server_response = self.client.recv(1024).decode() #服务器反馈文件是否存在
   self.client.send('0'.encode('utf-8'))
   if server_response == '0':
    file_size = int(self.client.recv(1024).decode())
    # print(file_size)
    self.client.send('0'.encode('utf-8')) #确认开始传输数据
    if os.path.isfile(filename):
     filename = filename+'.new'
    f = open(filename,'wb')
    receive_size = 0
    m = hashlib.md5()
    start_time = time.time()
    while receive_size < file_size:
     if file_size - receive_size > 1024: # 还需接收不止1次
      size = 1024
     else:
      size = file_size - receive_size
     data = self.client.recv(size)
     m.update(data)
     receive_size += len(data)
     data_percent=int((receive_size / file_size) * 100)
     f.write(data)
     progress = ('\r已下载%sMB(%s%%)' %(round(receive_size/102400,2),data_percent)).encode('utf-8')
     os.write(1,progress)
     sys.stdout.flush()
     time.sleep(0.0001)

    else:
     end_time = time.time()
     time_use = int(end_time - start_time)
     print('\n平均下载速度%s MB/s'%(round(round(receive_size/102400,2)/time_use,2)))
     Md5_server = self.client.recv(1024).decode()
     Md5_client = m.hexdigest()
     print('文件校验中,请稍候...')
     time.sleep(0.3)
     if Md5_server == Md5_client:
      print('文件正常。')
     else:
      print('文件与服务器MD5值不符,请确认!')
   else:
    print('File not found!')
    client.interactive()
  else:
   self.help()
 def rm(self,*args):
  cmd_split = args[0].split()
  if len(cmd_split) > 1:
   filename = cmd_split[1]
   request_info = {
    'action':'rm',
    'filename': filename,
    'prompt':'Y'
   }
   self.client.send(json.dumps(request_info).encode("utf-8"))
   server_response = self.client.recv(10240).decode()
   request_code = {
    '0':'confirm to deleted',
    '1':'cancel to deleted'
   }

   if server_response == '0':
    confirm = input("请确认是否真的删除该文件:")
    if confirm == 'Y' or confirm == 'y':
     self.client.send('0'.encode("utf-8"))
     print(self.client.recv(1024).decode())
    else:
     self.client.send('1'.encode("utf-8"))
     print(self.client.recv(1024).decode())
   else:
    print('File not found!')
    client.interactive()


  else:
   self.help()
 def cd(self,*args):
  cmd_split = args[0].split()
  if len(cmd_split) > 1:
   path = cmd_split[1]
  elif len(cmd_split) == 1:
   path = '.'
  request_info = {
   'action':'cd',
   'path':path
  }
  self.client.send(json.dumps(request_info).encode("utf-8"))
  server_response = self.client.recv(10240).decode()
  print(server_response)
 def mkdir(self,*args):
  request_code = {
   '0': 'Directory has been made!',
   '1': 'Directory is aleady exist!'
  }
  cmd_split = args[0].split()
  if len(cmd_split) > 1:
   dir_name = cmd_split[1]
   request_info = {
    'action':'mkdir',
    'dir_name': dir_name
   }
   self.client.send(json.dumps(request_info).encode("utf-8"))
   server_response = self.client.recv(1024).decode()
   if server_response == '0':
    print('Directory has been made!')
   else:
    print('Directory is aleady exist!')
  else:
   self.help()
 # def touch(self,*args):
def run():
 client = Ftp_client()
 # client.connect('10.1.2.3',6969)
 Addr = input("请输入服务器IP:").strip()
 Port = int(input("请输入端口号:").strip())
 client.connect(Addr,Port)
 while True:
  if client.auth() == '0':
   print("Welcome.....")
   client.interactive()
   break
  else:
   print("用户名或密码错误!")
   continue

目录结构:

python3实现ftp服务功能(客户端)

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。

Python 相关文章推荐
Python批量提取PDF文件中文本的脚本
Mar 14 Python
python中协程实现TCP连接的实例分析
Oct 14 Python
Tesserocr库的正确安装方式
Oct 19 Python
python将txt文件读入为np.array的方法
Oct 30 Python
python for循环输入一个矩阵的实例
Nov 14 Python
记录Python脚本的运行日志的方法
Jun 05 Python
python 遍历pd.Series的index和value
Nov 26 Python
np.random.seed() 的使用详解
Jan 14 Python
Python实现捕获异常发生的文件和具体行数
Apr 25 Python
将python字符串转化成长表达式的函数eval实例
May 11 Python
将pycharm配置为matlab或者spyder的用法说明
Jun 08 Python
python3.9实现pyinstaller打包python文件成exe
Dec 13 Python
Python 中urls.py:URL dispatcher(路由配置文件)详解
Mar 24 #Python
python 类详解及简单实例
Mar 24 #Python
Python类的动态修改的实例方法
Mar 24 #Python
Python操作Excel之xlsx文件
Mar 24 #Python
解决uWSGI的编码问题详解
Mar 24 #Python
Python中动态创建类实例的方法
Mar 24 #Python
python3中set(集合)的语法总结分享
Mar 24 #Python
You might like
收音机鉴频器对声音的影响和频偏分析
2021/03/02 无线电
PHPer 需要了解的 5 个 Composer 小技巧
2014/08/18 PHP
php调用自己java程序的方法详解
2016/05/13 PHP
PHP基于mssql扩展远程连接MSSQL的简单实现方法
2016/10/08 PHP
PHP制作登录异常ip检测功能的实例代码
2016/11/16 PHP
Laravel框架中集成MongoDB和使用详解
2019/10/17 PHP
Array对象方法参考
2006/10/03 Javascript
javascript getElementsByClassName函数
2010/04/01 Javascript
javascript suggest效果 自动完成实现代码分享
2012/02/17 Javascript
JS去除字符串两端空格的简单实例
2013/12/27 Javascript
js登录弹出层特效
2014/03/07 Javascript
JavaScript实现大数的运算
2014/11/24 Javascript
jQuery实现伸展与合拢panel的方法
2015/04/30 Javascript
jquery使用经验小结
2015/05/20 Javascript
详解JavaScript ES6中的Generator
2015/07/28 Javascript
MVC Ajax Helper或Jquery异步加载部分视图
2015/11/29 Javascript
jquery插件jquery.dragscale.js实现拖拽改变元素大小的方法(附demo源码下载)
2016/02/25 Javascript
详解打造 Vue.js 可复用组件
2017/03/24 Javascript
使用jQuery实现鼠标点击左右按钮滑动切换
2017/08/04 jQuery
使用Angular CLI生成 Angular 5项目教程详解
2018/03/18 Javascript
JavaScript实现横版菜单栏
2020/03/17 Javascript
在Django中限制已登录用户的访问的方法
2015/07/23 Python
Python监控主机是否存活并以邮件报警
2015/09/22 Python
Python使用QQ邮箱发送Email的方法实例
2017/02/09 Python
Python 读取某个目录下所有的文件实例
2018/06/23 Python
python的常用模块之collections模块详解
2018/12/06 Python
Python玩转加密的技巧【推荐】
2019/05/13 Python
pytorch 利用lstm做mnist手写数字识别分类的实例
2020/01/10 Python
PyCharm如何导入python项目的方法
2020/02/06 Python
英国最大的宠物食品和宠物用品网上零售商: Zooplus
2016/08/01 全球购物
Fox Racing官方网站:越野摩托车和山地自行车装备和服装
2019/12/23 全球购物
光荣入党自我鉴定
2014/01/22 职场文书
2014年环境卫生工作总结
2014/11/24 职场文书
医院志愿者活动总结
2015/05/06 职场文书
2016党员党章学习心得体会
2016/01/14 职场文书
springboot项目以jar包运行的操作方法
2021/06/30 Java/Android