sensors_battery.py

import os

POWER_SUPPLY_PATH = "/sys/class/power_supply"

_DEFAULT = object()

def open_binary(fname, **kwargs):
    return open(fname, "rb", **kwargs)

def cat(fname, fallback=_DEFAULT, binary=True):
    """Return file content."""
    try:
        f = open_binary(fname) if binary else open_text(fname)
    except IOError:
        if fallback != _DEFAULT:
            return fallback
        raise
    else:
        with f:
            return f.read().strip()

def sensors_battery():
    root = os.path.join(POWER_SUPPLY_PATH, "BAT0")
    if not os.path.exists(root):
        return None

    power_plugged = cat(os.path.join(POWER_SUPPLY_PATH, "AC0/online"),
                        fallback=b"0") == b"1"

    if os.path.exists(root + "/energy_now"):
        remaining_capacity = int(cat(root + "/energy_now"))
    elif os.path.exists(root + "/charge_now"):
        remaining_capacity = int(cat(root + "/charge_now"))
    else:
        return None

    if os.path.exists(root + "/power_now"):
        present_rate = int(cat(root + "/power_now"))
    elif os.path.exists(root + "/power_now"):
        present_rate = int(cat(root + "/curent_now"))
    else:
        return None

    if os.path.exists(root + "/capacity"):
        percent = int(cat(root + "/capacity"))
    else:
        if os.path.exists(root + "/charge_full"):
            max_capacity = int(cat(root + "/charge_full"))
        elif os.path.exists(root + "/energy_full"):
            max_capacity = int(cat(root + "/energy_full"))
        else:
            return None
        percent = 100.0 * remaining_capacity / max_capacity

    if power_plugged:
        secsleft = _common.POWER_TIME_UNLIMITED
    else:
        try:
            secsleft = int(remaining_capacity / present_rate * 3600)
        except ZeroDivisionError:
            secsleft = _common.POWER_TIME_UNKNOWN

    return _common.sbattery(percent, secsleft, power_plugged)

print sensors_battery()

Hello
Happy to meet you, my name is Miss Jessica Lawson, it is my pressure to meet you here  today through this site, i will like you to write to me so that i can be able to tell you more about me and the reason of my contact with you. here is my private email address, please write to me here so that i can tell you more anout me and also to send my picture  to you ( [email protected] )  thanks

Yours Miss Jessica Lawson