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from sugar.graphics import canvasicon
from sugar.graphics import units
_ICON_NAME = 'device-battery'
class DeviceView(canvasicon.CanvasIcon):
def __init__(self, model):
canvasicon.CanvasIcon.__init__(self, scale=units.MEDIUM_ICON_SCALE)
self._model = model
model.connect('notify::level', self._level_changed_cb)
self._update_level()
def _update_level(self):
self.props.icon_name = canvasicon.get_icon_state(
_ICON_NAME, self._model.props.level)
def _level_changed_cb(self, pspec, param):
self._update_level()
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