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mirror of https://github.com/home-assistant/core synced 2024-08-28 03:36:46 +02:00
ha-core/homeassistant/components/elkm1/__init__.py
2023-12-13 14:21:44 +01:00

550 lines
18 KiB
Python

"""Support the ElkM1 Gold and ElkM1 EZ8 alarm/integration panels."""
from __future__ import annotations
import asyncio
from collections.abc import Iterable
from enum import Enum
import logging
import re
from types import MappingProxyType
from typing import Any
from elkm1_lib.elements import Element
from elkm1_lib.elk import Elk
from elkm1_lib.util import parse_url
import voluptuous as vol
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import (
ATTR_CONNECTIONS,
CONF_ENABLED,
CONF_EXCLUDE,
CONF_HOST,
CONF_INCLUDE,
CONF_PASSWORD,
CONF_PREFIX,
CONF_TEMPERATURE_UNIT,
CONF_USERNAME,
CONF_ZONE,
Platform,
UnitOfTemperature,
)
from homeassistant.core import HomeAssistant, ServiceCall, callback
from homeassistant.exceptions import ConfigEntryNotReady, HomeAssistantError
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.event import async_track_time_interval
from homeassistant.helpers.typing import ConfigType
import homeassistant.util.dt as dt_util
from homeassistant.util.network import is_ip_address
from .const import (
ATTR_KEY,
ATTR_KEY_NAME,
ATTR_KEYPAD_ID,
ATTR_KEYPAD_NAME,
CONF_AREA,
CONF_AUTO_CONFIGURE,
CONF_COUNTER,
CONF_KEYPAD,
CONF_OUTPUT,
CONF_PLC,
CONF_SETTING,
CONF_TASK,
CONF_THERMOSTAT,
DISCOVER_SCAN_TIMEOUT,
DISCOVERY_INTERVAL,
DOMAIN,
ELK_ELEMENTS,
EVENT_ELKM1_KEYPAD_KEY_PRESSED,
LOGIN_TIMEOUT,
)
from .discovery import (
async_discover_device,
async_discover_devices,
async_trigger_discovery,
async_update_entry_from_discovery,
)
from .models import ELKM1Data
SYNC_TIMEOUT = 120
_LOGGER = logging.getLogger(__name__)
PLATFORMS = [
Platform.ALARM_CONTROL_PANEL,
Platform.BINARY_SENSOR,
Platform.CLIMATE,
Platform.LIGHT,
Platform.SCENE,
Platform.SENSOR,
Platform.SWITCH,
]
SPEAK_SERVICE_SCHEMA = vol.Schema(
{
vol.Required("number"): vol.All(vol.Coerce(int), vol.Range(min=0, max=999)),
vol.Optional("prefix", default=""): cv.string,
}
)
SET_TIME_SERVICE_SCHEMA = vol.Schema(
{
vol.Optional("prefix", default=""): cv.string,
}
)
def hostname_from_url(url: str) -> str:
"""Return the hostname from a url."""
return parse_url(url)[1]
def _host_validator(config: dict[str, str]) -> dict[str, str]:
"""Validate that a host is properly configured."""
if config[CONF_HOST].startswith("elks://"):
if CONF_USERNAME not in config or CONF_PASSWORD not in config:
raise vol.Invalid("Specify username and password for elks://")
elif not config[CONF_HOST].startswith("elk://") and not config[
CONF_HOST
].startswith("serial://"):
raise vol.Invalid("Invalid host URL")
return config
def _elk_range_validator(rng: str) -> tuple[int, int]:
def _housecode_to_int(val: str) -> int:
match = re.search(r"^([a-p])(0[1-9]|1[0-6]|[1-9])$", val.lower())
if match:
return (ord(match.group(1)) - ord("a")) * 16 + int(match.group(2))
raise vol.Invalid("Invalid range")
def _elk_value(val: str) -> int:
return int(val) if val.isdigit() else _housecode_to_int(val)
vals = [s.strip() for s in str(rng).split("-")]
start = _elk_value(vals[0])
end = start if len(vals) == 1 else _elk_value(vals[1])
return (start, end)
def _has_all_unique_prefixes(value: list[dict[str, str]]) -> list[dict[str, str]]:
"""Validate that each m1 configured has a unique prefix.
Uniqueness is determined case-independently.
"""
prefixes = [device[CONF_PREFIX] for device in value]
schema = vol.Schema(vol.Unique())
schema(prefixes)
return value
DEVICE_SCHEMA_SUBDOMAIN = vol.Schema(
{
vol.Optional(CONF_ENABLED, default=True): cv.boolean,
vol.Optional(CONF_INCLUDE, default=[]): [_elk_range_validator],
vol.Optional(CONF_EXCLUDE, default=[]): [_elk_range_validator],
}
)
DEVICE_SCHEMA = vol.All(
cv.deprecated(CONF_TEMPERATURE_UNIT),
vol.Schema(
{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PREFIX, default=""): vol.All(cv.string, vol.Lower),
vol.Optional(CONF_USERNAME, default=""): cv.string,
vol.Optional(CONF_PASSWORD, default=""): cv.string,
vol.Optional(CONF_AUTO_CONFIGURE, default=False): cv.boolean,
vol.Optional(CONF_TEMPERATURE_UNIT, default="F"): cv.temperature_unit,
vol.Optional(CONF_AREA, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_COUNTER, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_KEYPAD, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_OUTPUT, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_PLC, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_SETTING, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_TASK, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_THERMOSTAT, default={}): DEVICE_SCHEMA_SUBDOMAIN,
vol.Optional(CONF_ZONE, default={}): DEVICE_SCHEMA_SUBDOMAIN,
},
_host_validator,
),
)
CONFIG_SCHEMA = vol.Schema(
{DOMAIN: vol.All(cv.ensure_list, [DEVICE_SCHEMA], _has_all_unique_prefixes)},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistant, hass_config: ConfigType) -> bool:
"""Set up the Elk M1 platform."""
hass.data.setdefault(DOMAIN, {})
_create_elk_services(hass)
async def _async_discovery(*_: Any) -> None:
async_trigger_discovery(
hass, await async_discover_devices(hass, DISCOVER_SCAN_TIMEOUT)
)
hass.async_create_background_task(_async_discovery(), "elkm1 setup discovery")
async_track_time_interval(
hass, _async_discovery, DISCOVERY_INTERVAL, cancel_on_shutdown=True
)
if DOMAIN not in hass_config:
return True
for index, conf in enumerate(hass_config[DOMAIN]):
_LOGGER.debug("Importing elkm1 #%d - %s", index, conf[CONF_HOST])
# The update of the config entry is done in async_setup
# to ensure the entry if updated before async_setup_entry
# is called to avoid a situation where the user has to restart
# twice for the changes to take effect
current_config_entry = _async_find_matching_config_entry(
hass, conf[CONF_PREFIX]
)
if current_config_entry:
# If they alter the yaml config we import the changes
# since there currently is no practical way to do an options flow
# with the large amount of include/exclude/enabled options that elkm1 has.
hass.config_entries.async_update_entry(current_config_entry, data=conf)
continue
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data=conf,
)
)
return True
@callback
def _async_find_matching_config_entry(
hass: HomeAssistant, prefix: str
) -> ConfigEntry | None:
for entry in hass.config_entries.async_entries(DOMAIN):
if entry.unique_id == prefix:
return entry
return None
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Elk-M1 Control from a config entry."""
conf: MappingProxyType[str, Any] = entry.data
host = hostname_from_url(entry.data[CONF_HOST])
_LOGGER.debug("Setting up elkm1 %s", conf["host"])
if (not entry.unique_id or ":" not in entry.unique_id) and is_ip_address(host):
_LOGGER.debug(
"Unique id for %s is missing during setup, trying to fill from discovery",
host,
)
if device := await async_discover_device(hass, host):
async_update_entry_from_discovery(hass, entry, device)
config: dict[str, Any] = {}
if not conf[CONF_AUTO_CONFIGURE]:
# With elkm1-lib==0.7.16 and later auto configure is available
config["panel"] = {"enabled": True, "included": [True]}
for item, max_ in ELK_ELEMENTS.items():
config[item] = {
"enabled": conf[item][CONF_ENABLED],
"included": [not conf[item]["include"]] * max_,
}
try:
_included(conf[item]["include"], True, config[item]["included"])
_included(conf[item]["exclude"], False, config[item]["included"])
except (ValueError, vol.Invalid) as err:
_LOGGER.error("Config item: %s; %s", item, err)
return False
elk = Elk(
{
"url": conf[CONF_HOST],
"userid": conf[CONF_USERNAME],
"password": conf[CONF_PASSWORD],
}
)
elk.connect()
def _keypad_changed(keypad: Element, changeset: dict[str, Any]) -> None:
if (keypress := changeset.get("last_keypress")) is None:
return
hass.bus.async_fire(
EVENT_ELKM1_KEYPAD_KEY_PRESSED,
{
ATTR_KEYPAD_NAME: keypad.name,
ATTR_KEYPAD_ID: keypad.index + 1,
ATTR_KEY_NAME: keypress[0],
ATTR_KEY: keypress[1],
},
)
for keypad in elk.keypads:
keypad.add_callback(_keypad_changed)
try:
if not await async_wait_for_elk_to_sync(elk, LOGIN_TIMEOUT, SYNC_TIMEOUT):
return False
except asyncio.TimeoutError as exc:
raise ConfigEntryNotReady(f"Timed out connecting to {conf[CONF_HOST]}") from exc
elk_temp_unit = elk.panel.temperature_units
if elk_temp_unit == "C":
temperature_unit = UnitOfTemperature.CELSIUS
else:
temperature_unit = UnitOfTemperature.FAHRENHEIT
config["temperature_unit"] = temperature_unit
prefix: str = conf[CONF_PREFIX]
auto_configure: bool = conf[CONF_AUTO_CONFIGURE]
hass.data[DOMAIN][entry.entry_id] = ELKM1Data(
elk=elk,
prefix=prefix,
mac=entry.unique_id,
auto_configure=auto_configure,
config=config,
keypads={},
)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
return True
def _included(ranges: list[tuple[int, int]], set_to: bool, values: list[bool]) -> None:
for rng in ranges:
if not rng[0] <= rng[1] <= len(values):
raise vol.Invalid(f"Invalid range {rng}")
values[rng[0] - 1 : rng[1]] = [set_to] * (rng[1] - rng[0] + 1)
def _find_elk_by_prefix(hass: HomeAssistant, prefix: str) -> Elk | None:
"""Search all config entries for a given prefix."""
all_elk: dict[str, ELKM1Data] = hass.data[DOMAIN]
for elk_data in all_elk.values():
if elk_data.prefix == prefix:
return elk_data.elk
return None
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)
all_elk: dict[str, ELKM1Data] = hass.data[DOMAIN]
# disconnect cleanly
all_elk[entry.entry_id].elk.disconnect()
if unload_ok:
all_elk.pop(entry.entry_id)
return unload_ok
async def async_wait_for_elk_to_sync(
elk: Elk,
login_timeout: int,
sync_timeout: int,
) -> bool:
"""Wait until the elk has finished sync. Can fail login or timeout."""
sync_event = asyncio.Event()
login_event = asyncio.Event()
success = True
def login_status(succeeded: bool) -> None:
nonlocal success
success = succeeded
if succeeded:
_LOGGER.debug("ElkM1 login succeeded")
login_event.set()
else:
elk.disconnect()
_LOGGER.error("ElkM1 login failed; invalid username or password")
login_event.set()
sync_event.set()
def sync_complete() -> None:
sync_event.set()
elk.add_handler("login", login_status)
elk.add_handler("sync_complete", sync_complete)
for name, event, timeout in (
("login", login_event, login_timeout),
("sync_complete", sync_event, sync_timeout),
):
_LOGGER.debug("Waiting for %s event for %s seconds", name, timeout)
try:
async with asyncio.timeout(timeout):
await event.wait()
except asyncio.TimeoutError:
_LOGGER.debug("Timed out waiting for %s event", name)
elk.disconnect()
raise
_LOGGER.debug("Received %s event", name)
return success
def _create_elk_services(hass: HomeAssistant) -> None:
def _getelk(service: ServiceCall) -> Elk:
prefix = service.data["prefix"]
elk = _find_elk_by_prefix(hass, prefix)
if elk is None:
raise HomeAssistantError(f"No ElkM1 with prefix '{prefix}' found")
return elk
def _speak_word_service(service: ServiceCall) -> None:
_getelk(service).panel.speak_word(service.data["number"])
def _speak_phrase_service(service: ServiceCall) -> None:
_getelk(service).panel.speak_phrase(service.data["number"])
def _set_time_service(service: ServiceCall) -> None:
_getelk(service).panel.set_time(dt_util.now())
hass.services.async_register(
DOMAIN, "speak_word", _speak_word_service, SPEAK_SERVICE_SCHEMA
)
hass.services.async_register(
DOMAIN, "speak_phrase", _speak_phrase_service, SPEAK_SERVICE_SCHEMA
)
hass.services.async_register(
DOMAIN, "set_time", _set_time_service, SET_TIME_SERVICE_SCHEMA
)
def create_elk_entities(
elk_data: ELKM1Data,
elk_elements: Iterable[Element],
element_type: str,
class_: Any,
entities: list[ElkEntity],
) -> list[ElkEntity] | None:
"""Create the ElkM1 devices of a particular class."""
auto_configure = elk_data.auto_configure
if not auto_configure and not elk_data.config[element_type]["enabled"]:
return None
elk = elk_data.elk
_LOGGER.debug("Creating elk entities for %s", elk)
for element in elk_elements:
if auto_configure:
if not element.configured:
continue
# Only check the included list if auto configure is not
elif not elk_data.config[element_type]["included"][element.index]:
continue
entities.append(class_(element, elk, elk_data))
return entities
class ElkEntity(Entity):
"""Base class for all Elk entities."""
_attr_has_entity_name = True
_attr_should_poll = False
def __init__(self, element: Element, elk: Elk, elk_data: ELKM1Data) -> None:
"""Initialize the base of all Elk devices."""
self._elk = elk
self._element = element
self._mac = elk_data.mac
self._prefix = elk_data.prefix
self._temperature_unit: str = elk_data.config["temperature_unit"]
# unique_id starts with elkm1_ iff there is no prefix
# it starts with elkm1m_{prefix} iff there is a prefix
# this is to avoid a conflict between
# prefix=foo, name=bar (which would be elkm1_foo_bar)
# - and -
# prefix="", name="foo bar" (which would be elkm1_foo_bar also)
# we could have used elkm1__foo_bar for the latter, but that
# would have been a breaking change
if self._prefix != "":
uid_start = f"elkm1m_{self._prefix}"
else:
uid_start = "elkm1"
self._unique_id = f"{uid_start}_{self._element.default_name('_')}".lower()
self._attr_name = element.name
@property
def unique_id(self) -> str:
"""Return unique id of the element."""
return self._unique_id
@property
def extra_state_attributes(self) -> dict[str, Any]:
"""Return the default attributes of the element."""
dict_as_str = {}
for key, val in self._element.as_dict().items():
dict_as_str[key] = val.value if isinstance(val, Enum) else val
return {**dict_as_str, **self.initial_attrs()}
@property
def available(self) -> bool:
"""Is the entity available to be updated."""
return self._elk.is_connected()
def initial_attrs(self) -> dict[str, Any]:
"""Return the underlying element's attributes as a dict."""
return {"index": self._element.index + 1}
def _element_changed(self, element: Element, changeset: dict[str, Any]) -> None:
pass
@callback
def _element_callback(self, element: Element, changeset: dict[str, Any]) -> None:
"""Handle callback from an Elk element that has changed."""
self._element_changed(element, changeset)
self.async_write_ha_state()
async def async_added_to_hass(self) -> None:
"""Register callback for ElkM1 changes and update entity state."""
self._element.add_callback(self._element_callback)
self._element_callback(self._element, {})
@property
def device_info(self) -> DeviceInfo:
"""Device info connecting via the ElkM1 system."""
return DeviceInfo(
name=self._element.name,
identifiers={(DOMAIN, self._unique_id)},
via_device=(DOMAIN, f"{self._prefix}_system"),
)
class ElkAttachedEntity(ElkEntity):
"""An elk entity that is attached to the elk system."""
@property
def device_info(self) -> DeviceInfo:
"""Device info for the underlying ElkM1 system."""
device_name = "ElkM1"
if self._prefix:
device_name += f" {self._prefix}"
device_info = DeviceInfo(
identifiers={(DOMAIN, f"{self._prefix}_system")},
manufacturer="ELK Products, Inc.",
model="M1",
name=device_name,
sw_version=self._elk.panel.elkm1_version,
)
if self._mac:
device_info[ATTR_CONNECTIONS] = {(CONNECTION_NETWORK_MAC, self._mac)}
return device_info