#!/usr/bin/python

dir0='/sys/class/power_supply/BAT0/'
dir1='/sys/class/power_supply/BAT1/'

with open(dir0 + 'power_now', 'r') as f:
	power0 = int(f.read()) / 1000000.0
with open(dir1 + 'power_now', 'r') as f:
	power1 = int(f.read()) / 1000000.0
with open(dir0 + 'status', 'r') as f:
    status0 = f.read().rstrip()
with open(dir1 + 'status', 'r') as f:
    status1 = f.read().rstrip()

    if status0 == "Discharging" or status1 == "Discharging"
        wattage = - power0 - power1
    elif status0 == "Charging" or status0 == "Full"
    or status1 == "Charging" or status1 == "Full":
        wattage = power0 + power1
    else:
        wattage = 0

#return wattage