dialog.py

# -*- coding: utf-8 -*-
import sys
import subprocess
import functools


if sys.version_info.major == 2:
    input = raw_input


class Dialog(object):
    def call(self, type_, *args):
        sp = subprocess.Popen(
            ['dialog', '--' + type_] + list(map(str, args)),
            stderr=subprocess.PIPE,
        )
        _, stderr = sp.communicate()

        if stderr == b'':
            return sp.returncode == 0
        return stderr

    def __getattr__(self, attr):
        return functools.partial(self.call, attr)

if __name__ == '__main__':
    dialog = Dialog()
    x = dialog.call('yesno', 'Hola', 0, 0)
    print(x)
    input('enter para seguir')
    x = dialog.radiolist('Hi', 0, 0, 0,
                         'uno', 'Opción uno', 'on',
                         'dos', 'Opción dos', 'off')
    print(x)
    input('enter para seguir')