core/homeassistant/components/epson/__init__.py

65 lines
2.0 KiB
Python

"""The epson integration."""
import logging
from epson_projector import Projector
from epson_projector.const import (
PWR_OFF_STATE,
STATE_UNAVAILABLE as EPSON_STATE_UNAVAILABLE,
)
from homeassistant.components.media_player import DOMAIN as MEDIA_PLAYER_PLATFORM
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_HOST
from homeassistant.core import HomeAssistant
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from .const import DOMAIN, HTTP
from .exceptions import CannotConnect, PoweredOff
PLATFORMS = [MEDIA_PLAYER_PLATFORM]
_LOGGER = logging.getLogger(__name__)
async def validate_projector(
hass: HomeAssistant, host, check_power=True, check_powered_on=True
):
"""Validate the given projector host allows us to connect."""
epson_proj = Projector(
host=host,
websession=async_get_clientsession(hass, verify_ssl=False),
type=HTTP,
)
if check_power:
_power = await epson_proj.get_power()
if not _power or _power == EPSON_STATE_UNAVAILABLE:
_LOGGER.debug("Cannot connect to projector")
raise CannotConnect
if _power == PWR_OFF_STATE and check_powered_on:
_LOGGER.debug("Projector is off")
raise PoweredOff
return epson_proj
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up epson from a config entry."""
projector = await validate_projector(
hass=hass,
host=entry.data[CONF_HOST],
check_power=False,
check_powered_on=False,
)
hass.data.setdefault(DOMAIN, {})
hass.data[DOMAIN][entry.entry_id] = projector
hass.config_entries.async_setup_platforms(entry, PLATFORMS)
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