core/homeassistant/components/canary/coordinator.py

60 lines
1.8 KiB
Python

"""Provides the Canary DataUpdateCoordinator."""
from datetime import timedelta
import logging
from async_timeout import timeout
from canary.api import Api
from requests import ConnectTimeout, HTTPError
from homeassistant.helpers.typing import HomeAssistantType
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
class CanaryDataUpdateCoordinator(DataUpdateCoordinator):
"""Class to manage fetching Canary data."""
def __init__(self, hass: HomeAssistantType, *, api: Api):
"""Initialize global Canary data updater."""
self.canary = api
update_interval = timedelta(seconds=30)
super().__init__(
hass,
_LOGGER,
name=DOMAIN,
update_interval=update_interval,
)
def _update_data(self) -> dict:
"""Fetch data from Canary via sync functions."""
locations_by_id = {}
readings_by_device_id = {}
for location in self.canary.get_locations():
location_id = location.location_id
locations_by_id[location_id] = location
for device in location.devices:
if device.is_online:
readings_by_device_id[
device.device_id
] = self.canary.get_latest_readings(device.device_id)
return {
"locations": locations_by_id,
"readings": readings_by_device_id,
}
async def _async_update_data(self) -> dict:
"""Fetch data from Canary."""
try:
async with timeout(15):
return await self.hass.async_add_executor_job(self._update_data)
except (ConnectTimeout, HTTPError) as error:
raise UpdateFailed(f"Invalid response from API: {error}") from error