cli.py 文件源码

def _prompt_for_key_password(key_file, password=None):
    """ Given a key_file will attempt read it, if password is None
        and a password is required, will prompt for the password
    """
    try:
        paramiko.RSAKey.from_private_key_file(key_file, password)
    except paramiko.PasswordRequiredException:
        password = getpass.getpass(_("SSH Key password:"))
        paramiko.RSAKey.from_private_key_file(key_file, password)

    return password