core/homeassistant/components/monoprice/__init__.py

86 lines
2.3 KiB
Python

"""The Monoprice 6-Zone Amplifier integration."""
import asyncio
import logging
from pymonoprice import get_monoprice
from serial import SerialException
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_PORT
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
from .const import (
CONF_NOT_FIRST_RUN,
DOMAIN,
FIRST_RUN,
MONOPRICE_OBJECT,
UNDO_UPDATE_LISTENER,
)
PLATFORMS = ["media_player"]
_LOGGER = logging.getLogger(__name__)
async def async_setup(hass: HomeAssistant, config: dict):
"""Set up the Monoprice 6-Zone Amplifier component."""
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
"""Set up Monoprice 6-Zone Amplifier from a config entry."""
port = entry.data[CONF_PORT]
try:
monoprice = await hass.async_add_executor_job(get_monoprice, port)
except SerialException:
_LOGGER.error("Error connecting to Monoprice controller at %s", port)
raise ConfigEntryNotReady
# double negative to handle absence of value
first_run = not bool(entry.data.get(CONF_NOT_FIRST_RUN))
if first_run:
hass.config_entries.async_update_entry(
entry, data={**entry.data, CONF_NOT_FIRST_RUN: True}
)
undo_listener = entry.add_update_listener(_update_listener)
hass.data.setdefault(DOMAIN, {})[entry.entry_id] = {
MONOPRICE_OBJECT: monoprice,
UNDO_UPDATE_LISTENER: undo_listener,
FIRST_RUN: first_run,
}
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][entry.entry_id][UNDO_UPDATE_LISTENER]()
hass.data[DOMAIN].pop(entry.entry_id)
return unload_ok
async def _update_listener(hass: HomeAssistant, entry: ConfigEntry):
"""Handle options update."""
await hass.config_entries.async_reload(entry.entry_id)