namedlocks 0.0.1a3

Named Locks to acquire lock by name

NamedLocks

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NamedLocks is a simple library for locking on a name.

Installation

pip install namedlocks

Usage

import asyncio
from random import randint, uniform

from named_locks import AsyncNamedLock

NAMED_LOCKS = AsyncNamedLock()  # Create a global instance of the lock


async def task(uid: int):
    async with NAMED_LOCKS.lock(uid):  # Lock on some name
        print(f"Task {uid} started")
        # do something
        await asyncio.sleep(uniform(1, 5))
        print(f"Task {uid} finished")


async def main():
    tasks = [asyncio.create_task(task(uid)) for uid in [randint(1, 10) for _ in range(50)]]
    await asyncio.gather(*tasks)


asyncio.run(main())