Isolierte Fehlerbehandlung in asynchronen Signal-Handlern

import asyncio
from typing import Any, Callable, List
from asgiref.sync import sync_to_async
from django.dispatch import Signal
 
class AsyncIsolatedSignal(Signal):
    async def send_robust_async(self, sender: Any, **named: Any) -> List[tuple[Callable, Any]]:
        responses = []
        for receiver in self._live_receivers(sender):
            try:
                if asyncio.iscoroutinefunction(receiver):
                    res = await receiver(sender=sender, **named)
                else:
                    res = await sync_to_async(receiver, thread_sensitive=True)(sender=sender, **named)
                responses.append((receiver, res))
            except Exception as err:
                responses.append((receiver, err))
        return responses