Readers / writers file lock Python helper class

This library was created in order to ease the synchronization of several processes using shared resources, like a caching directory or a SQLite database. All of them can use the resources, but only one should update them.

The library is being used in several INB projects.

Example of a shared lock using context:

import datetime
import os
import time

from RWFileLock import RWFileLock

lock = RWFileLock("/tmp/rwfilelock.lock")
with lock.shared_lock():
    print(
        f"[{datetime.datetime.now().isoformat()}] Got shlock {os.getpid()}"
    )
	
    time.sleep(7)
    print(
        f"[{datetime.datetime.now().isoformat()}] Releasing shlock {os.getpid()}"
    )