50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
import gobject
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from model.devices import device
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class Device(device.Device):
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__gproperties__ = {
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'level' : (int, None, None, 0, 100, 0,
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gobject.PARAM_READABLE)
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}
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def __init__(self):
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device.Device.__init__(self)
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self._level = 0
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self._timeout_id = gobject.timeout_add(2000, self._check_battery_level)
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def do_get_property(self, pspec):
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if pspec.name == 'level':
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return self._level
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def get_type(self):
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return 'battery'
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def _check_battery_level(self):
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new_level = self._get_battery_level()
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if new_level != self._level:
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self._level = new_level
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self.notify('level')
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return True
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def _get_battery_level(self):
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battery_class_path = '/sys/class/battery/psu_0/'
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capacity_path = battery_class_path + 'capacity_percentage'
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try:
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f = open(capacity_path, 'r')
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val = f.read().split('\n')
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level = int(val[0])
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f.close()
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except:
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level = 0
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return level
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def __del__(self):
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gobject.source_remove(self._timeout_id)
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self._timeout_id = 0
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