IBM A22M batterysh for conkyrc

#!/usr/bin/env python

import os, math
from decimal import *

rate = 0.0
batteries = os.listdir("/sys/class/power_supply")
output = "No Data"

for battery in batteries:
    if "BAT" in battery:
        status = open("/sys/class/power_supply/%s/status" % (battery)).read().strip("\n")
        if "Discharging" in status:
            energy = Decimal(open("/sys/class/power_supply/%s/energy_now" % (battery)).read())
            power = Decimal(open("/sys/class/power_supply/%s/power_now" % (battery)).read())
            if power > 0:
                hours = math.floor(energy / power)
                minutes = math.floor(((energy % power) / power) * 60)
                output = "%.0f hours %.0f minutes" % (hours, minutes)
            else:
                output = "Gathering"
        else:
            output = status
print output