openCom-Companion/sbapp/plyer/platforms/macosx/bluetooth.py

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2022-09-16 18:07:57 +02:00
'''
Module of MacOS API for plyer.bluetooth.
'''
from subprocess import Popen, PIPE
from plyer.facades import Bluetooth
from plyer.utils import whereis_exe
from os import environ
class OSXBluetooth(Bluetooth):
'''
Implementation of MacOS bluetooth API.
'''
def _get_info(self):
old_lang = environ.get('LANG')
environ['LANG'] = 'C'
sys_profiler_process = Popen(
["system_profiler", "SPBluetoothDataType"],
stdout=PIPE
)
stdout = sys_profiler_process.communicate()[0].decode('utf-8')
output = stdout.splitlines()
lines = []
for line in output:
if 'Bluetooth Power' not in line:
continue
lines.append(line)
if old_lang is None:
environ.pop('LANG')
else:
environ['LANG'] = old_lang
if output and len(lines) == 1:
return lines[0].split()[2]
else:
return None
def instance():
'''
Instance for facade proxy.
'''
import sys
if whereis_exe('system_profiler'):
return OSXBluetooth()
sys.stderr.write("system_profiler not found.")
return Bluetooth()