[IronPython] SSH.NET Example

DLL Download

• https://github.com/sshnet/SSH.NET

sftp example

import os
import sshnet as ssh
import config as cfg

# Callback Example

def GetDownloadHandle(sftp,remote):
    f = sftp.Get(remote)
    filesize = f.Attributes.Size
    def Progress(size):
        print('Get :', 100*size/filesize, size, filesize)
    return Progress

def GetUploadHandle(local):
    filesize = os.path.getsize(local)
    def Progress(size):
        print('Put :', 100*size/filesize, size, filesize)
    return Progress
    
def GetFile(srv,remote,local):
    conn = ssh.Sftp(cfg.host[srv],cfg.user[srv],cfg.pw[srv])
    conn.Download(remote,local,GetDownloadHandle(conn.sftp,remote))
    conn.Close()    

def PutFile(srv,local,remote):
    conn = ssh.Sftp(cfg.host[srv],cfg.user[srv],cfg.pw[srv])
    conn.Upload(local,remote,GetUploadHandle(local))
    conn.Close()    


# Simple Example

def SimpleProgress(size):
    print(size)
        
def Get(srv,remote,local):
    ssh.SftpGet( cfg.host[srv],cfg.user[srv],cfg.pw[srv],remote,local,SimpleProgress)

def Put(srv,remote,local):
    ssh.SftpPut( cfg.host[srv],cfg.user[srv],cfg.pw[srv],remote,local,SimpleProgress)
    

sshnet.py

import clr
clr.AddReferenceToFileAndPath("Renci.SshNet")

import System
from System.IO.File import OpenRead
from System.IO.File import OpenWrite
from System.IO import FileStream
from System.IO import FileMode

import Renci.SshNet
from Renci.SshNet import ConnectionInfo
from Renci.SshNet import PasswordAuthenticationMethod
from Renci.SshNet import PrivateKeyAuthenticationMethod
from Renci.SshNet import SshClient
from Renci.SshNet import SftpClient

'''
new AuthenticationMethod[] {
    new PasswordAuthenticationMethod("username","password"),
    new PrivateKeyAuthenticationMethod("username",new PrivateKeyFile[]{ 
        new PrivateKeyFile(@"..\openssh.key","passphrase")}}
'''

class Ssh():
    def __init__(self,host,user,pw):
        self.conn = ConnectionInfo( host, 22, user, PasswordAuthenticationMethod( user, pw ))
        self.ssh  = SshClient(self.conn)
        self.ssh.Connect()
    def Close(self):
        self.ssh.Disconnect()
    def Command(self,command):
        self.cmd = self.ssh.CreateCommand(command)
        self.cmd.Execute()
        return self.cmd.ExitStatus, self.cmd.Result

class Sftp():
    def __init__(self,host,user,pw):
        self.conn = ConnectionInfo( host, 22, user, PasswordAuthenticationMethod( user, pw ))
        self.sftp = SftpClient(self.conn)
        self.sftp.Connect()
    def Close(self):
        self.sftp.Disconnect()
    def Exists(self,filename):
        return self.sftp.Exists(filename)
    def Delete(self,filename):
        return self.sftp.Delete(filename)
    def Chdir(self,folder):
        return self.sftp.ChangeDirectory(folder)
    def ListDir(self,folder):
        return self.sftp.ListDirectory(folder)
    def Upload(self,local,remote=None,handler=None):
        if not remote: remote = local
        if not handler:
            with OpenRead(local) as f:
                self.sftp.UploadFile(f, remote, True)
        else:
            with OpenRead(local) as f:
                self.sftp.UploadFile(f, remote, handler)
    def Upload2(self,local,remote=None):
        if not remote: remote = local
        return self.sftp.UploadFile(FileStream(local,FileMode.Open), remote, True)
    def Download(self,remote,local=None,handler=None):
        if not local: local = remote
        if not handler:
            with OpenWrite(local) as f:
                self.sftp.DownloadFile(remote, f)
        else:
            with OpenWrite(local) as f:
                self.sftp.DownloadFile(remote, f, handler)
    
def SftpGet(host,user,passwd,remote,local,handler=None):
    sftp = Sftp(host,user,passwd)
    sftp.Download(remote,local,handler)
    sftp.Close()

def SftpPut(host,user,passwd,local,remote,handler=None):
    sftp = Sftp(host,user,passwd)
    sftp.Upload(local,remote,handler)
    sftp.Close()

def SshDemo():
    ssh = Ssh('localhost', 'username', 'password')
    rv,text = ssh.Command("ls -l")
    print(rv,text)
    rv,text = ssh.Command("ls")
    print(rv,text)
    ssh.Close()

def SftpDemo():
    sftp = Sftp('localhost', 'username', 'password')
    sftp.Chdir("work")
    sftp.Upload("a.py","c.py")
    sftp.Download("a.py","b.py")
    files = sftp.ListDir("./")
    for f in files:
        print(f.Name)
    sftp.Close()
      
if __name__ == "__main__":
    SshDemo()
    SftpDemo()