基于python实现FTP文件上传与下载操作（ftp&sftp协议）

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

from ctypes import *
import os
import sys
import ftplib
import time

today = time.strftime('%Y%m%d',time.localtime(time.time()))
ip = '111.111.111.6'
username = 'ftpUserName' 
password = 'ftpPassWord'
filename = '203200189'+ today + 'A001.tar.gz'
src_file = '/ftpFilePath/'+filename

class myFtp:
 ftp = ftplib.FTP()
 ftp.set_pasv(False) 
 def __init__(self, host, port=21):
 self.ftp.connect(host, port)
 
 def Login(self, user, passwd):
 self.ftp.login(user, passwd)
 print(self.ftp.welcome)
 
 def DownLoadFile(self, LocalFile, RemoteFile): #下载指定目录下的指定文件
 file_handler = open(LocalFile, 'wb')
 print(file_handler)
 # self.ftp.retrbinary("RETR %s" % (RemoteFile), file_handler.write)#接收服务器上文件并写入本地文件
 self.ftp.retrbinary('RETR ' + RemoteFile, file_handler.write)
 file_handler.close()
 return True

 def DownLoadFileTree(self, LocalDir, RemoteDir): # 下载整个目录下的文件
 print("remoteDir:", RemoteDir)
 if not os.path.exists(LocalDir):
 os.makedirs(LocalDir)
 self.ftp.cwd(RemoteDir)
 RemoteNames = self.ftp.nlst()
 print("RemoteNames", RemoteNames)
 for file in RemoteNames:
 Local = os.path.join(LocalDir, file)
 print(self.ftp.nlst(file))
 if file.find(".") == -1:
 if not os.path.exists(Local):
  os.makedirs(Local)
 self.DownLoadFileTree(Local, file)
 else:
 self.DownLoadFile(Local, file)
 self.ftp.cwd("..")
 return True

 #从本地上传文件到ftp
 def uploadfile(self, remotepath, localpath):
 bufsize = 1024
 fp = open(localpath, 'rb')
 ftp.storbinary('STOR ' + remotepath, fp, bufsize)
 ftp.set_debuglevel(0)
 fp.close() 

 def close(self):
 self.ftp.quit()

if __name__ == "__main__":
 ftp = myFtp(ip)
 ftp.Login(username, password)
 ftp.DownLoadFile(filename,src_file )
 #ftp.DownLoadFileTree('.', '/cteidate/')

 ftp.close()
 print("ok!")

#!/usr/bin/python
# coding=utf-8

import paramiko
import os

def sftp_upload(host,port,username,password,local,remote):
 sf = paramiko.Transport((host,port))
 sf.connect(username = username,password = password)
 sftp = paramiko.SFTPClient.from_transport(sf)
 try:
 if os.path.isdir(local):#判断本地参数是目录还是文件
 for f in os.listdir(local):#遍历本地目录
 sftp.put(os.path.join(local+f),os.path.join(remote+f))#上传目录中的文件
 else:
 sftp.put(local,remote)#上传文件
 except Exception,e:
 print('upload exception:',e)
 sf.close()

def sftp_download(host,port,username,password,local,remote):
 sf = paramiko.Transport((host,port))
 sf.connect(username = username,password = password)
 sftp = paramiko.SFTPClient.from_transport(sf)
 try:
 if os.path.isdir(local):#判断本地参数是目录还是文件
 for f in sftp.listdir(remote):#遍历远程目录
  sftp.get(os.path.join(remote+f),os.path.join(local+f))#下载目录中文件
 else:
 sftp.get(remote,local)#下载文件
 except Exception,e:
 print('download exception:',e)
 sf.close()

if __name__ == '__main__':
 host = '111.111.1111.2'#主机
 port = 22 #端口
 username = 'root' #用户名
 password = '123456' #密码
 local = '/sftptest/'#本地文件或目录，与远程一致，若当前为windows目录格式，window目录中间需要使用双斜线
 remote = '/opt/test/'#远程文件或目录，与本地一致，当前为linux目录格式
 sftp_upload(host,port,username,password,local,remote)#上传
 #sftp_download(host,port,username,password,local,remote)#下载