import bumblebee.module def description(): return "Displays brightness percentage" class Module(bumblebee.module.Module): def __init__(self, output, config, alias): super(Module, self).__init__(output, config, alias) self._brightness = 0 self._max = 0 self._percent = 0 def widgets(self): with open("/sys/class/backlight/intel_backlight/brightness") as f: self._brightness = int(f.read()) with open("/sys/class/backlight/intel_backlight/max_brightness") as f: self._max = int(f.read()) self._brightness = self._brightness if self._brightness < self._max else self._max self._percent = round(self._brightness * 100 / self._max) return bumblebee.output.Widget(self, "{:02d}%".format(self._percent))