this decorator creates a task which automaticly starts when called and then can be awaited later or never at all and it will still continue running

referenced_task.py

from asyncio import create_task, Future
from functools import wraps

# this is needed as the create_task only holds a weak reference to the task so it could be garbage collected
_running_tasks = {}
def _get_id():
	i=0
	yield i
	while True:
		i+=1
		yield i
_ids = _get_id()
async def _referenced_task(task, task_id: int, result: Future):
	try:result.set_result(await task)
	except Exception as e:
		result.set_exception(e)
		raise
	# use finnaly to make sure exceptions bubble
	finally:del _running_tasks[task_id]#anything after this is not garenteed to run
def task_run(fn):
	@wraps(fn)
	def inner(*args, **kwargs):
		task_id=next(_ids)
		result = Future()
		_running_tasks[task_id] = create_task(_referenced_task(fn(*args, **kwargs), task_id, result))
		return result
	return inner