__init__.py 文件源码

def ssh(ctx, domain_name):
    """Get the public key for a SSH server.

    Example:

        $ lokey fetch ssh chat.shazow.net
    """

    class FetchKeyPolicy(paramiko.MissingHostKeyPolicy):
        def __init__(self):
            self.key = None

        def missing_host_key(self, client, hostname, key):
            self.key = key

    fetch_key_policy = FetchKeyPolicy()
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(fetch_key_policy)
    try:
        client.connect(domain_name, username='lokey', timeout=5)
        key = fetch_key_policy.key.public_numbers
        key = ErisPublic(e=key.e, n=key.n)
        print key.to('ssh')
    except Exception as e:
        msg = ('Got "{message}" when attempting '
               'to connect to {domain_name}').format(
            domain_name=domain_name,
            message=str(e))
        raise click.ClickException(msg)