agreg-server/server/backend/ports/message_broker.py

from abc import ABC, abstractmethod
from typing import Callable

from domain.entities import UplinkEvent

class MessageBroker(ABC):
    @abstractmethod
    def start(self, on_uplink: Callable[[UplinkEvent], None]) -> None:
        """Démarre l'écoute et appelle on_uplink(UplinkEvent) à chaque message"""
        ...