__init__.py

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"""The Brother component."""
 
from __future__ import annotations
 
from brother import Brother, SnmpError
 
from homeassistant.components.snmp import async_get_snmp_engine
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_HOST, CONF_TYPE, Platform
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
 
from .coordinator import BrotherDataUpdateCoordinator
 
PLATFORMS = [Platform.SENSOR]
 
type BrotherConfigEntry = ConfigEntry[BrotherDataUpdateCoordinator]
 
 
async def async_setup_entry(hass: HomeAssistant, entry: BrotherConfigEntry) -> bool:
    """Set up Brother from a config entry."""
    host = entry.data[CONF_HOST]
    printer_type = entry.data[CONF_TYPE]
 
    snmp_engine = await async_get_snmp_engine(hass)
    try:
        brother = await Brother.create(
            host, printer_type=printer_type, snmp_engine=snmp_engine
        )
    except (ConnectionError, SnmpError, TimeoutError) as error:
        raise ConfigEntryNotReady from error
 
    coordinator = BrotherDataUpdateCoordinator(hass, brother)
    await coordinator.async_config_entry_first_refresh()
 
    entry.runtime_data = coordinator
 
    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
    return True
 
 
async def async_unload_entry(hass: HomeAssistant, entry: BrotherConfigEntry) -> bool:
    """Unload a config entry."""
    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)