locket_file_based_lock_acquire_release_quickstart.py

1import locket
2
3# Locket provides file-based locks that can be used for inter-process 
4# synchronization. The most common use case is using it as a context manager.
5
6lock_path = "path/to/lock/file"
7
8# Acquire a lock
9with locket.lock_file(lock_path):
10    # This block is now synchronized across processes
11    print("Lock acquired, performing critical section task...")
12
13# Alternatively, you can manage the lock manually:
14lock = locket.lock_file(lock_path)
15lock.acquire()
16try:
17    print("Lock acquired manually.")
18finally:
19    lock.release()