Easier and secure "fire and forget" for async tasks

fire_and_forget.py

import asyncio


def _create_fire_and_forget():
    tasks = set()

    def fire_and_forget(*args, **kwargs):
        task = asyncio.create_task(*args, **kwargs)
        tasks.add(task)
        task.add_done_callback(tasks.discard)
        return task

    return fire_and_forget


fire_and_forget = _create_fire_and_forget()