84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
"""The Monoprice 6-Zone Amplifier integration."""
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import logging
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from pymonoprice import get_monoprice
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from serial import SerialException
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_PORT, Platform
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryNotReady
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from .const import (
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CONF_NOT_FIRST_RUN,
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DOMAIN,
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FIRST_RUN,
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MONOPRICE_OBJECT,
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UNDO_UPDATE_LISTENER,
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)
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PLATFORMS = [Platform.MEDIA_PLAYER]
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Set up Monoprice 6-Zone Amplifier from a config entry."""
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port = entry.data[CONF_PORT]
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try:
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monoprice = await hass.async_add_executor_job(get_monoprice, port)
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except SerialException as err:
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_LOGGER.error("Error connecting to Monoprice controller at %s", port)
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raise ConfigEntryNotReady from err
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# double negative to handle absence of value
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first_run = not bool(entry.data.get(CONF_NOT_FIRST_RUN))
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if first_run:
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hass.config_entries.async_update_entry(
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entry, data={**entry.data, CONF_NOT_FIRST_RUN: True}
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)
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undo_listener = entry.add_update_listener(_update_listener)
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hass.data.setdefault(DOMAIN, {})[entry.entry_id] = {
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MONOPRICE_OBJECT: monoprice,
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UNDO_UPDATE_LISTENER: undo_listener,
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FIRST_RUN: first_run,
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}
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await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
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return True
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async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Unload a config entry."""
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unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
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if not unload_ok:
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return False
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hass.data[DOMAIN][entry.entry_id][UNDO_UPDATE_LISTENER]()
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def _cleanup(monoprice) -> None:
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"""Destroy the Monoprice object.
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Destroying the Monoprice closes the serial connection, do it in an executor so the garbage
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collection does not block.
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"""
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del monoprice
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monoprice = hass.data[DOMAIN][entry.entry_id][MONOPRICE_OBJECT]
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hass.data[DOMAIN].pop(entry.entry_id)
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await hass.async_add_executor_job(_cleanup, monoprice)
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return True
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async def _update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
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"""Handle options update."""
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await hass.config_entries.async_reload(entry.entry_id)
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