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from subprocess import Popen, PIPE
from plyer.facades import Battery
from plyer.utils import whereis_exe
from os import environ
class OSXBattery(Battery):
def _get_state(self):
old_lang = environ.get('LANG')
environ['LANG'] = 'C'
status = {"isCharging": None, "percentage": None}
ioreg_process = Popen(["ioreg", "-rc", "AppleSmartBattery"],
stdout=PIPE)
output = ioreg_process.communicate()[0]
environ['LANG'] = old_lang
if not output:
return status
IsCharging = MaxCapacity = CurrentCapacity = None
for l in output.splitlines():
if 'IsCharging' in l:
IsCharging = l.rpartition('=')[-1].strip()
if 'MaxCapacity' in l:
MaxCapacity = float(l.rpartition('=')[-1].strip())
if 'CurrentCapacity' in l:
CurrentCapacity = float(l.rpartition('=')[-1].strip())
if (IsCharging):
status['isCharging'] = IsCharging == "Yes"
if (CurrentCapacity and MaxCapacity):
status['percentage'] = 100. * CurrentCapacity / MaxCapacity
return status
def instance():
import sys
if whereis_exe('ioreg'):
return OSXBattery()
sys.stderr.write("ioreg not found.")
return Battery()
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