core/homeassistant/components/broadlink/updater.py

224 lines
7.7 KiB
Python

"""Support for fetching data from Broadlink devices."""
from __future__ import annotations
from abc import ABC, abstractmethod
from datetime import datetime, timedelta
import logging
from typing import TYPE_CHECKING, Any, Generic
import broadlink as blk
from broadlink.exceptions import AuthorizationError, BroadlinkException
from typing_extensions import TypeVar
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from homeassistant.util import dt as dt_util
if TYPE_CHECKING:
from .device import BroadlinkDevice
_ApiT = TypeVar("_ApiT", bound=blk.Device)
_LOGGER = logging.getLogger(__name__)
def get_update_manager(device: BroadlinkDevice[_ApiT]) -> BroadlinkUpdateManager[_ApiT]:
"""Return an update manager for a given Broadlink device."""
update_managers: dict[str, type[BroadlinkUpdateManager]] = {
"A1": BroadlinkA1UpdateManager,
"BG1": BroadlinkBG1UpdateManager,
"HYS": BroadlinkThermostatUpdateManager,
"LB1": BroadlinkLB1UpdateManager,
"LB2": BroadlinkLB1UpdateManager,
"MP1": BroadlinkMP1UpdateManager,
"MP1S": BroadlinkMP1SUpdateManager,
"RM4MINI": BroadlinkRMUpdateManager,
"RM4PRO": BroadlinkRMUpdateManager,
"RMMINI": BroadlinkRMUpdateManager,
"RMMINIB": BroadlinkRMUpdateManager,
"RMPRO": BroadlinkRMUpdateManager,
"SP1": BroadlinkSP1UpdateManager,
"SP2": BroadlinkSP2UpdateManager,
"SP2S": BroadlinkSP2UpdateManager,
"SP3": BroadlinkSP2UpdateManager,
"SP3S": BroadlinkSP2UpdateManager,
"SP4": BroadlinkSP4UpdateManager,
"SP4B": BroadlinkSP4UpdateManager,
}
return update_managers[device.api.type](device)
class BroadlinkUpdateManager(ABC, Generic[_ApiT]):
"""Representation of a Broadlink update manager.
Implement this class to manage fetching data from the device and to
monitor device availability.
"""
SCAN_INTERVAL = timedelta(minutes=1)
def __init__(self, device: BroadlinkDevice[_ApiT]) -> None:
"""Initialize the update manager."""
self.device = device
self.coordinator = DataUpdateCoordinator(
device.hass,
_LOGGER,
name=f"{device.name} ({device.api.model} at {device.api.host[0]})",
update_method=self.async_update,
update_interval=self.SCAN_INTERVAL,
)
self.available: bool | None = None
self.last_update: datetime | None = None
async def async_update(self) -> dict[str, Any] | None:
"""Fetch data from the device and update availability."""
try:
data = await self.async_fetch_data()
except (BroadlinkException, OSError) as err:
if (
self.available
and self.last_update
and (
dt_util.utcnow() - self.last_update > self.SCAN_INTERVAL * 3
or isinstance(err, (AuthorizationError, OSError))
)
):
self.available = False
_LOGGER.warning(
"Disconnected from %s (%s at %s)",
self.device.name,
self.device.api.model,
self.device.api.host[0],
)
raise UpdateFailed(err) from err
if self.available is False:
_LOGGER.warning(
"Connected to %s (%s at %s)",
self.device.name,
self.device.api.model,
self.device.api.host[0],
)
self.available = True
self.last_update = dt_util.utcnow()
return data
@abstractmethod
async def async_fetch_data(self) -> dict[str, Any] | None:
"""Fetch data from the device."""
class BroadlinkA1UpdateManager(BroadlinkUpdateManager[blk.a1]):
"""Manages updates for Broadlink A1 devices."""
SCAN_INTERVAL = timedelta(seconds=10)
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.check_sensors_raw)
class BroadlinkMP1UpdateManager(BroadlinkUpdateManager[blk.mp1]):
"""Manages updates for Broadlink MP1 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.check_power)
class BroadlinkMP1SUpdateManager(BroadlinkUpdateManager[blk.mp1s]):
"""Manages updates for Broadlink MP1 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
power = await self.device.async_request(self.device.api.check_power)
sensors = await self.device.async_request(self.device.api.get_state)
return {**power, **sensors}
class BroadlinkRMUpdateManager(BroadlinkUpdateManager[blk.rm]):
"""Manages updates for Broadlink remotes."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
device = self.device
if hasattr(device.api, "check_sensors"):
data = await device.async_request(device.api.check_sensors)
return self.normalize(data, self.coordinator.data)
await device.async_request(device.api.update)
return {}
@staticmethod
def normalize(
data: dict[str, Any], previous_data: dict[str, Any] | None
) -> dict[str, Any]:
"""Fix firmware issue.
See https://github.com/home-assistant/core/issues/42100.
"""
if data["temperature"] == -7:
if previous_data is None or previous_data["temperature"] is None:
data["temperature"] = None
elif abs(previous_data["temperature"] - data["temperature"]) > 3:
data["temperature"] = previous_data["temperature"]
return data
class BroadlinkSP1UpdateManager(BroadlinkUpdateManager[blk.sp1]):
"""Manages updates for Broadlink SP1 devices."""
async def async_fetch_data(self) -> dict[str, Any] | None:
"""Fetch data from the device."""
return None
class BroadlinkSP2UpdateManager(BroadlinkUpdateManager[blk.sp2]):
"""Manages updates for Broadlink SP2 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
device = self.device
data = {}
data["pwr"] = await device.async_request(device.api.check_power)
if hasattr(device.api, "get_energy"):
data["power"] = await device.async_request(device.api.get_energy)
return data
class BroadlinkBG1UpdateManager(BroadlinkUpdateManager[blk.bg1]):
"""Manages updates for Broadlink BG1 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.get_state)
class BroadlinkSP4UpdateManager(BroadlinkUpdateManager[blk.sp4]):
"""Manages updates for Broadlink SP4 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.get_state)
class BroadlinkLB1UpdateManager(BroadlinkUpdateManager[blk.lb1]):
"""Manages updates for Broadlink LB1 devices."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.get_state)
class BroadlinkThermostatUpdateManager(BroadlinkUpdateManager[blk.hysen]):
"""Manages updates for thermostats with Broadlink DNA."""
async def async_fetch_data(self) -> dict[str, Any]:
"""Fetch data from the device."""
return await self.device.async_request(self.device.api.get_full_status)