blob: 0244b24215f891e024b03e9a4cca444ae9454479 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
import gobject
from model.devices import device
class Device(device.Device):
__gproperties__ = {
'level' : (int, None, None, 0, 100, 0,
gobject.PARAM_READABLE)
}
def __init__(self):
device.Device.__init__(self)
self._level = 0
self._timeout_id = gobject.timeout_add(2000, self._check_battery_level)
def do_get_property(self, pspec):
if pspec.name == 'level':
return self._level
def get_type(self):
return 'battery'
def _check_battery_level(self):
new_level = self._get_battery_level()
if new_level != self._level:
self._level = new_level
self.notify('level')
return True
def _get_battery_level(self):
battery_class_path = '/sys/class/battery/psu_0/'
capacity_path = battery_class_path + 'capacity_percentage'
try:
f = open(capacity_path, 'r')
val = f.read().split('\n')
level = int(val[0])
f.close()
except:
level = 0
return level
def __del__(self):
gobject.source_remove(self._timeout_id)
self._timeout_id = 0
|