core/homeassistant/components/discovergy/__init__.py

94 lines
3.2 KiB
Python

"""The Discovergy integration."""
from __future__ import annotations
from dataclasses import dataclass
import pydiscovergy
from pydiscovergy.authentication import BasicAuth
import pydiscovergy.error as discovergyError
from pydiscovergy.models import Meter
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_EMAIL, CONF_PASSWORD, Platform
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
from homeassistant.helpers.httpx_client import get_async_client
from .const import APP_NAME, DOMAIN
from .coordinator import DiscovergyUpdateCoordinator
PLATFORMS = [Platform.SENSOR]
@dataclass
class DiscovergyData:
"""Discovergy data class to share meters and api client."""
api_client: pydiscovergy.Discovergy
meters: list[Meter]
coordinators: dict[str, DiscovergyUpdateCoordinator]
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Discovergy from a config entry."""
hass.data.setdefault(DOMAIN, {})
# init discovergy data class
discovergy_data = DiscovergyData(
api_client=pydiscovergy.Discovergy(
email=entry.data[CONF_EMAIL],
password=entry.data[CONF_PASSWORD],
app_name=APP_NAME,
httpx_client=get_async_client(hass),
authentication=BasicAuth(),
),
meters=[],
coordinators={},
)
try:
# try to get meters from api to check if credentials are still valid and for later use
# if no exception is raised everything is fine to go
discovergy_data.meters = await discovergy_data.api_client.get_meters()
except discovergyError.InvalidLogin as err:
raise ConfigEntryAuthFailed("Invalid email or password") from err
except Exception as err: # pylint: disable=broad-except
raise ConfigEntryNotReady(
"Unexpected error while while getting meters"
) from err
# Init coordinators for meters
for meter in discovergy_data.meters:
# Create coordinator for meter, set config entry and fetch initial data,
# so we have data when entities are added
coordinator = DiscovergyUpdateCoordinator(
hass=hass,
config_entry=entry,
meter=meter,
discovergy_client=discovergy_data.api_client,
)
await coordinator.async_config_entry_first_refresh()
discovergy_data.coordinators[meter.get_meter_id()] = coordinator
hass.data[DOMAIN][entry.entry_id] = discovergy_data
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
entry.async_on_unload(entry.add_update_listener(async_reload_entry))
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
if unload_ok:
hass.data[DOMAIN].pop(entry.entry_id)
return unload_ok
async def async_reload_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Handle an options update."""
await hass.config_entries.async_reload(entry.entry_id)