Log Android Battery Status

log_battery_status.py

import android
import time
from datetime import date, datetime

def log_battery_status(droid):
	"""Log battery percentage"""
	droid.batteryStartMonitoring()
	battery = 0
	while not battery:
		battery = droid.batteryGetLevel().result
		time.sleep(0.5)
	droid.batteryStopMonitoring()

	bright = droid.getScreenBrightness().result
	wifi = droid.checkWifiState().result
	bt = droid.checkBluetoothState().result

	_date = date.today().isoformat()
	_time = datetime.time(datetime.now())
	
	_hour, _minute, _second = (add_leading_zero(x) for x in [_time.hour,_time.minute, _time.second])

	date_string = "%s %s:%s:%s" % (_date, _hour, _minute, _second)

	with open("/storage/sdcard0/Nexus7/battery_log.txt", "a") as f:
		f.write("%s\t%d\t%d\t%d\t%d\n" % (date_string, battery, bright, wifi, bt))

def add_leading_zero(num):
	num = str(num)
	return "0" + num if len(num) == 1 else num

if __name__ == '__main__':
	droid = android.Android()
	log_battery_status(droid)