class MyStr(str):
    def read(self):
        return self


__builtin__.str = MyStr


@classmethod
def _get_connection(cls, hostname):
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    if cls.options.ssh_key is None:
        client.connect(hostname=hostname, username=cls.options.user,
                       password=cls.options.password)
    else:
        k = paramiko.RSAKey.from_private_key_file(cls.options.ssh_key)
        client.connect(hostname=hostname, username=cls.options.user,
                       pkey=k)
    return client