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Description:

ralipyard 0.1.0

Ralipyard

Python thread-safe rate limit semaphore for threading and async/await style built on Rust's library raliguard
Overview
For example, crate a semaphore that allows only 5 calls per 1 second
import asyncio
import time
import datetime

import ralipyard

async def task(sem: ralipyard.Semaphore, no: int):
delay = sem.calc_delay()
await asyncio.sleep(delay)
print(f"Task {no=} executes its code at {time.monotonic():.5f}")

async def main():
sem = ralipyard.Semaphore(
access_times=5,
per_period=datetime.timedelta(seconds=1)
)
tasks = [task(sem, i) for i in range(100)]
await asyncio.gather(*tasks)

asyncio.run(main())

Output:
Task no=0 executes its code at 0.21575
Task no=4 executes its code at 1.22018
Task no=3 executes its code at 1.22022
Task no=2 executes its code at 1.22023
Task no=1 executes its code at 1.22024
Task no=9 executes its code at 2.21618
Task no=7 executes its code at 2.21622
Task no=8 executes its code at 2.21623
Task no=6 executes its code at 2.21624
Task no=5 executes its code at 2.21624
Task no=11 executes its code at 3.22016
Task no=10 executes its code at 3.22020
Task no=12 executes its code at 3.22021
Task no=14 executes its code at 3.22022
Task no=13 executes its code at 3.22023
...

Instalation
From PyPI:
python -m pip install ralipyard

Or from GitHub
python -m pip install https://github.com/deknowny/archive/ralipyard.zip

Documentation
It's unnecessary because the library has the only 1 class with the only 2 methods, visit stubs for more information