Aviso para mellorar a postura sentado

postura.py

#!/usr/bin/env python

"""
    Aviso para que me recorde que me sente ben.

    crontab:
        0,20,40 * * * * DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus XDG_RUNTIME_DIR="/run/user/1000" ~/bin/postura.py

    NOTA: axustar as variables de sesión co UID do teu usuario.
"""
from random import randint
from time import sleep
import subprocess


def notifica():
    subprocess.Popen(['/usr/bin/notify-send',
                      'Revisa a postura.',
                      'Séntate ben!'])

    subprocess.Popen(['/usr/bin/paplay',
                      '/usr/share/sounds/freedesktop/stereo/message.oga'])


sleep(randint(180, 300))
notifica()