66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
# Copyright (C) 2006-2007, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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