基于Python实现的ssh兼sftp客户端
by:授客 QQ：1033553122
实现功能
实现ssh客户端兼ftp客户端：实现远程连接，执行linux命令，上传下载文件
测试环境
Win7 64位
Python 3.3.4
paramiko 1.15.2
下载地址：
https://pypi.python.org/pypi/paramiko/1.15.2
https://pan.baidu.com/s/1i4SJ1CL
cryptography-1.0-cp34-none-win_amd64.whl
(如果paramiko可以正常安装完，则不需要安装该类库)
下载地址：
https://pypi.python.org/pypi/cryptography/1.0
https://pan.baidu.com/s/1jIRBJvg
安装好后，找到nt.py(本例中路径为：
Lib\site-packages\pycrypto-2.6.1-py3.4-win-amd64.egg\Crypto\Random\OSRNG\nt.py),修改
import winrandom
为
from Crypto.Random.OSRNG import winrandom
如下
#import winrandom
from Crypto.Random.OSRNG import winrandom
以解决ImportError: No module named 'winrandom'错误
VS2010
因操作系统而异，可能需要安装VS2010，以解决包依赖问题
代码实践
mysshclient.py
#!/usr/bin/env/ python
#
-*- coding:utf-8 -*-
__author__
=
'shouke'
import
os
from
paramiko.client
import
AutoAddPolicy
from
paramiko.client
import
SSHClient
from
otherTools
import
OtherTools
class
MySSHClient:
def
__init__(self):
self.ssh_client
= SSHClient()
#
连接登录
def
connect(self,
hostname, port, username, password):
try:
print('正在远程连接主机：%s'
% hostname)
self.ssh_client.set_missing_host_key_policy(AutoAddPolicy())
self.ssh_client.connect(hostname=hostname,
port=port,
username=username,
password=password)
return
[True,
'']
except
Exception
as
e:
print('连接出错了%s'
% e)
return
[False,
'%s'
% e]
#
远程执行命令
def
exec_command(self,
command):
try:
print('正在执行命令：'+
command)
stdin,
stdout, stderr =
self.ssh_client.exec_command(command)
print('命令输出：')
print(stdout.read())
# 读取命令输出
return
[True,
tuple]
except
Exception
as
e:
print('执行命:%s令出错'
% command)
return
[False,'%s'
% e]
#
下载文件(非目录文件)
def
download_file(self,
remotepath, localpath):
try:
localpath
= os.path.abspath(localpath)
localpath
= localpath.replace('\t',
'/t').replace('\n',
'/n').replace('\r',
'/r').replace('\b',
'/b')
# 转换特殊字符
localpath
= localpath.replace('\f',
'/f')
print('转换后的本地目标路径为：%s'
% localpath)
head,
tail = os.path.split(localpath)
if
not
tail:
print('下载文件：%s
到本地：%s失败，本地文件名不能为空'
% (remotepath, localpath))
return
[False,
'下载文件：%s
到本地：%s失败，本地文件名不能为空'
% (remotepath, localpath)]
if
not
os.path.exists(head):
print('本地路径：%s不存在，正在创建目录'
% head)
OtherTools().mkdirs_once_many(head)
sftp_client
=
self.ssh_client.open_sftp()
print('正在下载远程文件：%s
到本地：%s'
% (remotepath, localpath))
sftp_client.get(remotepath,
localpath)
sftp_client.close()
return
[True,
'']
except
Exception
as
e:
print('下载文件：%s
到本地：%s
出错:%s'
% (remotepath, localpath, e))
return
[False,
'下载文件：%s
到本地：%s
出错:%s'
% (remotepath, localpath, e)]
#
上传文件(非目录文件）
def
upload_file(self,
localpath, remotepath):
try:
localpath
= localpath.rstrip('\\').rstrip('/')
localpath
= localpath.replace('\t',
'/t').replace('\n',
'/n').replace('\r',
'/r').replace('\b',
'/b')
# 转换特殊字符
localpath
= localpath.replace('\f',
'/f')
localpath
= os.path.abspath(localpath)
print('转换后的本地文件路径为：%s'
% localpath)
remotepath
= remotepath.rstrip('\\').rstrip('/')
head,
tail = os.path.split(localpath)
if
not
tail:
print('上传文件：%s
到远程：%s失败，本地文件名不能为空'
% (localpath, remotepath))
return
[False,
'上传文件：%s
到远程：%s失败，本地文件名不能为空'
% (localpath, remotepath)]
if
not
os.path.exists(head):
print(
'上传文件：%s
到远程：%s失败，父路径不存在'
% (localpath, remotepath, head))
return
[False,
'上传文件：%s
到远程：%s失败，父路径不存在'
% (localpath, remotepath, head)]
if
not
(remotepath.startswith('/')
or
remotepath.startswith('.')):
print('上传文件：%s
到远程：%s失败，远程路径填写不规范%s'
% (localpath, remotepath,remotepath))
return
[False,
'上传文件：%s
到远程：%s失败，远程路径填写不规范%s'
% (localpath, remotepath,remotepath)]
sftp_client
=
self.ssh_client.open_sftp()
head,
tail = os.path.split(remotepath)
head
= sftp_client.normalize(head)
# 规范化路径
remotepath
= head +
'/'
+ tail
print('规范化后的远程目标路径：',
remotepath)
print('正在上传文件：%s
到远程：%s'
% (localpath, remotepath))
sftp_client.put(localpath,
remotepath)
sftp_client.close()
return
[True,
'']
except
Exception
as
e:
print('上传文件：%s
到远程：%s
出错:%s'
% (localpath, remotepath, e))
return
[False,
'上传文件：%s
到远程：%s
出错:%s'
% (localpath, remotepath, e)]
def
close(self):
self.ssh_client.close()