osmo-gsm-tester/selftest/lock_test_help.py

import sys
import time

import _prep

from osmo_gsm_tester.util import FileLock

fl = FileLock('/tmp/lock_test', '_'.join(sys.argv[1:]))

with fl:
    print('acquired lock: %r' % fl.owner)
    sys.stdout.flush()
    time.sleep(0.5)
    print('leaving lock: %r' % fl.owner)
    sys.stdout.flush()

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