与 Python 3.0 的 SSH 连接 [英] SSH Connection with Python 3.0

问题描述

如何在 Python 3.0 中建立 SSH 连接?我想在设置了无密码 SSH 的远程计算机上保存文件.

How can I make an SSH connection in Python 3.0? I want to save a file on a remote computer where I have password-less SSH set up.

推荐答案

我建议将 ssh 作为子进程调用.它可靠且便携.

I recommend calling ssh as a subprocess. It's reliable and portable.

import subprocess
proc = subprocess.Popen(['ssh', 'user@host', 'cat > %s' % filename],
                        stdin=subprocess.PIPE)
proc.communicate(file_contents)
if proc.retcode != 0:
    ...

您必须担心引用目标文件名.如果您想要更大的灵活性，您甚至可以这样做:

You'd have to worry about quoting the destination filename. If you want more flexibility, you could even do this:

import subprocess
import tarfile
import io
tardata = io.BytesIO()
tar = tarfile.open(mode='w:gz', fileobj=tardata)
... put stuff in tar ...
proc = subprocess.Popen(['ssh', 'user@host', 'tar xz'],
                        stdin=subprocess.PIPE)
proc.communicate(tardata.getvalue())
if proc.retcode != 0:
    ...

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