xiaowl

def ssh(hostname, keyfile, username='ubuntu'):
    host_key_file = os.path.expanduser('~/.ssh/known_hosts')
    pkey = paramiko.RSAKey.from_private_key_file(os.path.expanduser(keyfile))
    client = paramiko.SSHClient()
    client.load_system_host_keys()
    client.load_host_keys(host_key_file)
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname, username=username, pkey=pkey)
    return client

xiaowl

def scp(sshclient, src, dest=''):
    path = os.path.abspath(os.path.expanduser(src)).rstrip('/')
    basename = os.path.basename(path)
    ftp = sshclient.open_sftp()
    if os.path.isdir(path):
        for root, dirs, files in os.walk(path):
            root = root.rstrip('/')
            dirname = os.path.basename(root)
            if root != path:
                dirname = os.path.join(basename, root.split(path)[1].strip('/'))