60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
'''
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Module of MacOS API for plyer.battery.
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'''
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from os import environ
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from subprocess import Popen, PIPE
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from sbapp.plyer.facades import Battery
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from sbapp.plyer.utils import whereis_exe
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class OSXBattery(Battery):
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'''
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Implementation of MacOS battery API.
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'''
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def _get_state(self):
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old_lang = environ.get('LANG', '')
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environ['LANG'] = 'C'
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status = {"isCharging": None, "percentage": None}
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ioreg_process = Popen(
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["ioreg", "-rc", "AppleSmartBattery"],
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stdout=PIPE
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)
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output = ioreg_process.communicate()[0]
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environ['LANG'] = old_lang
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if not output:
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return status
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is_charging = max_capacity = current_capacity = None
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for line in output.decode('utf-8').splitlines():
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if 'IsCharging' in line:
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is_charging = line.rpartition('=')[-1].strip()
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if 'MaxCapacity' in line:
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max_capacity = float(line.rpartition('=')[-1].strip())
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if 'CurrentCapacity' in line:
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current_capacity = float(line.rpartition('=')[-1].strip())
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if is_charging:
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status['isCharging'] = is_charging == "Yes"
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if current_capacity and max_capacity:
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status['percentage'] = 100.0 * current_capacity / max_capacity
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return status
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def instance():
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'''
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Instance for facade proxy.
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'''
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import sys
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if whereis_exe('ioreg'):
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return OSXBattery()
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sys.stderr.write("ioreg not found.")
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return Battery()
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