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### Author: Dag Wieers <dag$wieers,com>
class dstat_plugin(dstat):
"""
Percentage of remaining battery power as reported by ACPI.
"""
def __init__(self):
self.name = 'battery'
self.type = 'p'
self.width = 4
self.scale = 34
def check(self):
if not os.path.exists('/proc/acpi/battery/'):
raise Exception, "No ACPI battery information found."
def vars(self):
ret = []
for battery in os.listdir('/proc/acpi/battery/'):
for line in dopen('/proc/acpi/battery/'+battery+'/state').readlines():
l = line.split()
if len(l) < 2: continue
if l[0] == 'present:' and l[1] == 'yes':
ret.append(battery)
ret.sort()
return ret
def nick(self):
return [name.lower() for name in self.vars]
def extract(self):
for battery in self.vars:
for line in dopen('/proc/acpi/battery/'+battery+'/info').readlines():
l = line.split()
if len(l) < 4: continue
if l[0] == 'last':
full = int(l[3])
break
for line in dopen('/proc/acpi/battery/'+battery+'/state').readlines():
l = line.split()
if len(l) < 3: continue
if l[0] == 'remaining':
current = int(l[2])
break
if current:
self.val[battery] = current * 100.0 / full
else:
self.val[battery] = -1
# vim:ts=4:sw=4:et