upower.py 文件源码

def __init__(self):
        bus = dbus.SystemBus()
        bat0_object = bus.get_object(
            'org.freedesktop.UPower',
            '/org/freedesktop/UPower/devices/battery_BAT0')
        self.__statistics = bat0_object.get_dbus_method(
            'GetStatistics',
            'org.freedesktop.UPower.Device')
        self.__history = bat0_object.get_dbus_method(
            'GetHistory',
            'org.freedesktop.UPower.Device')
        self.bat0 = dbus.Interface(bat0_object,
                                   'org.freedesktop.DBus.Properties')