core/homeassistant/components/mqtt/models.py

20 lines
412 B
Python

"""Modesl used by multiple MQTT modules."""
from typing import Callable, Union
import attr
PublishPayloadType = Union[str, bytes, int, float, None]
@attr.s(slots=True, frozen=True)
class Message:
"""MQTT Message."""
topic = attr.ib(type=str)
payload = attr.ib(type=PublishPayloadType)
qos = attr.ib(type=int)
retain = attr.ib(type=bool)
MessageCallbackType = Callable[[Message], None]