87 lines
2.4 KiB
Python
87 lines
2.4 KiB
Python
"""The Brother component."""
|
|
import asyncio
|
|
from datetime import timedelta
|
|
import logging
|
|
|
|
from brother import Brother, SnmpError, UnsupportedModel
|
|
|
|
from homeassistant.config_entries import ConfigEntry
|
|
from homeassistant.const import CONF_HOST, CONF_TYPE
|
|
from homeassistant.core import Config, HomeAssistant
|
|
from homeassistant.exceptions import ConfigEntryNotReady
|
|
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
|
|
|
|
from .const import DOMAIN
|
|
|
|
PLATFORMS = ["sensor"]
|
|
|
|
SCAN_INTERVAL = timedelta(seconds=30)
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
|
|
async def async_setup(hass: HomeAssistant, config: Config):
|
|
"""Set up the Brother component."""
|
|
return True
|
|
|
|
|
|
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
|
|
"""Set up Brother from a config entry."""
|
|
host = entry.data[CONF_HOST]
|
|
kind = entry.data[CONF_TYPE]
|
|
|
|
coordinator = BrotherDataUpdateCoordinator(hass, host=host, kind=kind)
|
|
await coordinator.async_refresh()
|
|
|
|
if not coordinator.last_update_success:
|
|
raise ConfigEntryNotReady
|
|
|
|
hass.data.setdefault(DOMAIN, {})
|
|
hass.data[DOMAIN][entry.entry_id] = coordinator
|
|
|
|
for component in PLATFORMS:
|
|
hass.async_create_task(
|
|
hass.config_entries.async_forward_entry_setup(entry, component)
|
|
)
|
|
|
|
return True
|
|
|
|
|
|
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
|
|
"""Unload a config entry."""
|
|
unload_ok = all(
|
|
await asyncio.gather(
|
|
*[
|
|
hass.config_entries.async_forward_entry_unload(entry, component)
|
|
for component in PLATFORMS
|
|
]
|
|
)
|
|
)
|
|
if unload_ok:
|
|
hass.data[DOMAIN].pop(entry.entry_id)
|
|
|
|
return unload_ok
|
|
|
|
|
|
class BrotherDataUpdateCoordinator(DataUpdateCoordinator):
|
|
"""Class to manage fetching Brother data from the printer."""
|
|
|
|
def __init__(self, hass, host, kind):
|
|
"""Initialize."""
|
|
self.brother = Brother(host, kind=kind)
|
|
|
|
super().__init__(
|
|
hass,
|
|
_LOGGER,
|
|
name=DOMAIN,
|
|
update_interval=SCAN_INTERVAL,
|
|
)
|
|
|
|
async def _async_update_data(self):
|
|
"""Update data via library."""
|
|
try:
|
|
await self.brother.async_update()
|
|
except (ConnectionError, SnmpError, UnsupportedModel) as error:
|
|
raise UpdateFailed(error) from error
|
|
return self.brother.data
|