core/homeassistant/components/velbus/__init__.py

216 lines
7.2 KiB
Python

"""Support for Velbus devices."""
from __future__ import annotations
from contextlib import suppress
import logging
import os
import shutil
from velbusaio.controller import Velbus
import voluptuous as vol
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_ADDRESS, CONF_PORT, Platform
from homeassistant.core import HomeAssistant, ServiceCall
from homeassistant.exceptions import PlatformNotReady
from homeassistant.helpers import config_validation as cv, device_registry as dr
from homeassistant.helpers.storage import STORAGE_DIR
from .const import (
CONF_INTERFACE,
CONF_MEMO_TEXT,
DOMAIN,
SERVICE_CLEAR_CACHE,
SERVICE_SCAN,
SERVICE_SET_MEMO_TEXT,
SERVICE_SYNC,
)
_LOGGER = logging.getLogger(__name__)
PLATFORMS = [
Platform.BINARY_SENSOR,
Platform.BUTTON,
Platform.CLIMATE,
Platform.COVER,
Platform.LIGHT,
Platform.SELECT,
Platform.SENSOR,
Platform.SWITCH,
]
async def velbus_connect_task(
controller: Velbus, hass: HomeAssistant, entry_id: str
) -> None:
"""Task to offload the long running connect."""
try:
await controller.connect()
except ConnectionError as ex:
raise PlatformNotReady(
f"Connection error while connecting to Velbus {entry_id}: {ex}"
) from ex
def _migrate_device_identifiers(hass: HomeAssistant, entry_id: str) -> None:
"""Migrate old device indentifiers."""
dev_reg = dr.async_get(hass)
devices: list[dr.DeviceEntry] = dr.async_entries_for_config_entry(dev_reg, entry_id)
for device in devices:
old_identifier = list(next(iter(device.identifiers)))
if len(old_identifier) > 2:
new_identifier = {(old_identifier.pop(0), old_identifier.pop(0))}
_LOGGER.debug(
"migrate identifier '%s' to '%s'", device.identifiers, new_identifier
)
dev_reg.async_update_device(device.id, new_identifiers=new_identifier)
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Establish connection with velbus."""
hass.data.setdefault(DOMAIN, {})
controller = Velbus(
entry.data[CONF_PORT],
cache_dir=hass.config.path(STORAGE_DIR, f"velbuscache-{entry.entry_id}"),
)
hass.data[DOMAIN][entry.entry_id] = {}
hass.data[DOMAIN][entry.entry_id]["cntrl"] = controller
hass.data[DOMAIN][entry.entry_id]["tsk"] = hass.async_create_task(
velbus_connect_task(controller, hass, entry.entry_id)
)
_migrate_device_identifiers(hass, entry.entry_id)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
if hass.services.has_service(DOMAIN, SERVICE_SCAN):
return True
def check_entry_id(interface: str) -> str:
for entry in hass.config_entries.async_entries(DOMAIN):
if "port" in entry.data and entry.data["port"] == interface:
return entry.entry_id
raise vol.Invalid(
"The interface provided is not defined as a port in a Velbus integration"
)
async def scan(call: ServiceCall) -> None:
await hass.data[DOMAIN][call.data[CONF_INTERFACE]]["cntrl"].scan()
hass.services.async_register(
DOMAIN,
SERVICE_SCAN,
scan,
vol.Schema({vol.Required(CONF_INTERFACE): vol.All(cv.string, check_entry_id)}),
)
async def syn_clock(call: ServiceCall) -> None:
await hass.data[DOMAIN][call.data[CONF_INTERFACE]]["cntrl"].sync_clock()
hass.services.async_register(
DOMAIN,
SERVICE_SYNC,
syn_clock,
vol.Schema({vol.Required(CONF_INTERFACE): vol.All(cv.string, check_entry_id)}),
)
async def set_memo_text(call: ServiceCall) -> None:
"""Handle Memo Text service call."""
memo_text = call.data[CONF_MEMO_TEXT]
memo_text.hass = hass
await hass.data[DOMAIN][call.data[CONF_INTERFACE]]["cntrl"].get_module(
call.data[CONF_ADDRESS]
).set_memo_text(memo_text.async_render())
hass.services.async_register(
DOMAIN,
SERVICE_SET_MEMO_TEXT,
set_memo_text,
vol.Schema(
{
vol.Required(CONF_INTERFACE): vol.All(cv.string, check_entry_id),
vol.Required(CONF_ADDRESS): vol.All(
vol.Coerce(int), vol.Range(min=0, max=255)
),
vol.Optional(CONF_MEMO_TEXT, default=""): cv.template,
}
),
)
async def clear_cache(call: ServiceCall) -> None:
"""Handle a clear cache service call."""
# clear the cache
with suppress(FileNotFoundError):
if CONF_ADDRESS in call.data and call.data[CONF_ADDRESS]:
await hass.async_add_executor_job(
os.unlink,
hass.config.path(
STORAGE_DIR,
f"velbuscache-{call.data[CONF_INTERFACE]}/{call.data[CONF_ADDRESS]}.p",
),
)
else:
await hass.async_add_executor_job(
shutil.rmtree,
hass.config.path(
STORAGE_DIR, f"velbuscache-{call.data[CONF_INTERFACE]}/"
),
)
# call a scan to repopulate
await scan(call)
hass.services.async_register(
DOMAIN,
SERVICE_CLEAR_CACHE,
clear_cache,
vol.Schema(
{
vol.Required(CONF_INTERFACE): vol.All(cv.string, check_entry_id),
vol.Optional(CONF_ADDRESS): vol.All(
vol.Coerce(int), vol.Range(min=0, max=255)
),
}
),
)
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload (close) the velbus connection."""
unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
await hass.data[DOMAIN][entry.entry_id]["cntrl"].stop()
hass.data[DOMAIN].pop(entry.entry_id)
if not hass.data[DOMAIN]:
hass.data.pop(DOMAIN)
hass.services.async_remove(DOMAIN, SERVICE_SCAN)
hass.services.async_remove(DOMAIN, SERVICE_SYNC)
hass.services.async_remove(DOMAIN, SERVICE_SET_MEMO_TEXT)
hass.services.async_remove(DOMAIN, SERVICE_CLEAR_CACHE)
return unload_ok
async def async_remove_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Remove the velbus entry, so we also have to cleanup the cache dir."""
await hass.async_add_executor_job(
shutil.rmtree,
hass.config.path(STORAGE_DIR, f"velbuscache-{entry.entry_id}"),
)
async def async_migrate_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Migrate old entry."""
_LOGGER.debug("Migrating from version %s", config_entry.version)
cache_path = hass.config.path(STORAGE_DIR, f"velbuscache-{config_entry.entry_id}/")
if config_entry.version == 1:
# This is the config entry migration for adding the new program selection
# clean the velbusCache
if os.path.isdir(cache_path):
await hass.async_add_executor_job(shutil.rmtree, cache_path)
# set the new version
config_entry.version = 2
_LOGGER.debug("Migration to version %s successful", config_entry.version)
return True