#!/usr/bin/env python
import commands
import sys

screen = {
    'name': 'screen_name',
    'windows': [
        ('irssi', 'irssi'),
        ('messages', 'clear; tail -F /var/log/messages'),
        ('top', 'sudo top'),
    ],
}

screen_available = commands.getstatusoutput('screen -ls | grep %s' %
                                                        (screen['name'],))
if not screen_available[0]:
    print('Error: A screen with name %s already exists' % (screen['name'],))
    sys.exit(1)

i = 0
for title, command in screen['windows']:
    if i == 0:
        commands.getstatusoutput('screen -dmS %s' % (screen['name'],))
    else:
        commands.getstatusoutput('screen -S %s -X screen' % (screen['name'],))

    commands.getstatusoutput('screen -S %s -p %d -X title "%s"' %
                                                    (screen['name'],
                                                     i,
                                                     title))
    commands.getstatusoutput('screen -S %s -p %d -X stuff "%s"' %
                                                    (screen['name'],
                                                     i,
                                                     command))
    i += 1