Sideband/sbapp/plyer/platforms/macosx/uniqueid.py

48 lines
1.0 KiB
Python

'''
Module of MacOS API for plyer.uniqueid.
'''
from os import environ
from subprocess import Popen, PIPE
from plyer.facades import UniqueID
from plyer.utils import whereis_exe
class OSXUniqueID(UniqueID):
'''
Implementation of MacOS uniqueid API.
'''
def _get_uid(self):
old_lang = environ.get('LANG')
environ['LANG'] = 'C'
ioreg_process = Popen(["ioreg", "-l"], stdout=PIPE)
grep_process = Popen(
["grep", "IOPlatformSerialNumber"],
stdin=ioreg_process.stdout, stdout=PIPE
)
ioreg_process.stdout.close()
output = grep_process.communicate()[0]
if old_lang is None:
environ.pop('LANG')
else:
environ['LANG'] = old_lang
result = None
if output:
result = output.split()[3][1:-1]
return result
def instance():
'''
Instance for facade proxy.
'''
import sys
if whereis_exe('ioreg'):
return OSXUniqueID()
sys.stderr.write("ioreg not found.")
return UniqueID()