#!/usr/bin/python
    import struct,sys,os
    from subprocess import Popen, PIPE

    warned = False

    stdout = Popen("acpi -b | gawk -F % '{print $1}' | gawk '{print $4}'", shell=True, stdout=PIPE).stdout
    remaining = stdout.read().rstrip()

    stdout = Popen("acpi -b | gawk -F , '{print $1}' | gawk '{print $3}'", shell=True, stdout=PIPE).stdout
    acstatus = stdout.read().rstrip()

    while (warned != True):
            if ((int(remaining) < 5) and (acstatus == "Discharging")):
                    os.popen("sudo poweroff")
            if ((int(remaining) < 10) and (acstatus == "Discharging")):
                    os.popen("zenity --warning --text=' The battery is at a dangerously low level. (" + remaining + "% remaining) auto poweroff at 5%' --no-wrap")
                    warned = True
            if ((int(remaining) < 25) and (acstatus == "Discharging")):
                    os.popen("zenity --warning --text=' The battery is at a low level. (" + remaining + "% remaining) ' --no-wrap")
                    warned = True
            else:
                    exit(0)