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#!/usr/bin/env python
from __future__ import print_function
import signal
import sys
import os
import locket
def _print(output):
print(output)
sys.stdout.flush()
if __name__ == "__main__":
signal.signal(signal.SIGTERM, signal.SIG_DFL)
print(os.getpid())
lock_path = sys.argv[1]
if sys.argv[2] == "None":
timeout = None
else:
timeout = float(sys.argv[2])
lock = locket.lock_file(lock_path, timeout=timeout)
_print("Send newline to stdin to acquire")
sys.stdin.readline()
try:
lock.acquire()
except locket.LockError:
_print("LockError")
exit(1)
_print("Acquired")
_print("Send newline to stdin to release")
sys.stdin.readline()
lock.release()
_print("Released")
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