core/homeassistant/components/zwave_js/helpers.py

532 lines
17 KiB
Python

"""Helper functions for Z-Wave JS integration."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import astuple, dataclass
import logging
from typing import Any, cast
import voluptuous as vol
from zwave_js_server.client import Client as ZwaveClient
from zwave_js_server.const import (
LOG_LEVEL_MAP,
CommandClass,
ConfigurationValueType,
LogLevel,
)
from zwave_js_server.model.controller import Controller
from zwave_js_server.model.driver import Driver
from zwave_js_server.model.log_config import LogConfig
from zwave_js_server.model.node import Node as ZwaveNode
from zwave_js_server.model.value import (
ConfigurationValue,
Value as ZwaveValue,
ValueDataType,
get_value_id_str,
)
from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
from homeassistant.config_entries import ConfigEntry, ConfigEntryState
from homeassistant.const import (
ATTR_AREA_ID,
ATTR_DEVICE_ID,
ATTR_ENTITY_ID,
CONF_TYPE,
__version__ as HA_VERSION,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import device_registry as dr, entity_registry as er
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.group import expand_entity_ids
from homeassistant.helpers.typing import ConfigType, VolSchemaType
from .const import (
ATTR_COMMAND_CLASS,
ATTR_ENDPOINT,
ATTR_PROPERTY,
ATTR_PROPERTY_KEY,
DATA_CLIENT,
DATA_OLD_SERVER_LOG_LEVEL,
DOMAIN,
LIB_LOGGER,
LOGGER,
)
@dataclass
class ZwaveValueID:
"""Class to represent a value ID."""
property_: str | int
command_class: int
endpoint: int | None = None
property_key: str | int | None = None
@dataclass
class ZwaveValueMatcher:
"""Class to allow matching a Z-Wave Value."""
property_: str | int | None = None
command_class: int | None = None
endpoint: int | None = None
property_key: str | int | None = None
def __post_init__(self) -> None:
"""Post initialization check."""
if all(val is None for val in astuple(self)):
raise ValueError("At least one of the fields must be set.")
def value_matches_matcher(
matcher: ZwaveValueMatcher, value_data: ValueDataType
) -> bool:
"""Return whether value matches matcher."""
command_class = None
if "commandClass" in value_data:
command_class = CommandClass(value_data["commandClass"])
zwave_value_id = ZwaveValueMatcher(
property_=value_data.get("property"),
command_class=command_class,
endpoint=value_data.get("endpoint"),
property_key=value_data.get("propertyKey"),
)
return all(
redacted_field_val is None or redacted_field_val == zwave_value_field_val
for redacted_field_val, zwave_value_field_val in zip(
astuple(matcher), astuple(zwave_value_id), strict=False
)
)
def get_value_id_from_unique_id(unique_id: str) -> str | None:
"""Get the value ID and optional state key from a unique ID.
Raises ValueError
"""
split_unique_id = unique_id.split(".")
# If the unique ID contains a `-` in its second part, the unique ID contains
# a value ID and we can return it.
if "-" in (value_id := split_unique_id[1]):
return value_id
return None
def get_state_key_from_unique_id(unique_id: str) -> int | None:
"""Get the state key from a unique ID."""
# If the unique ID has more than two parts, it's a special unique ID. If the last
# part of the unique ID is an int, then it's a state key and we return it.
if len(split_unique_id := unique_id.split(".")) > 2:
try:
return int(split_unique_id[-1])
except ValueError:
pass
return None
def get_value_of_zwave_value(value: ZwaveValue | None) -> Any | None:
"""Return the value of a ZwaveValue."""
return value.value if value else None
async def async_enable_statistics(driver: Driver) -> None:
"""Enable statistics on the driver."""
await driver.async_enable_statistics("Home Assistant", HA_VERSION)
async def async_enable_server_logging_if_needed(
hass: HomeAssistant, entry: ConfigEntry, driver: Driver
) -> None:
"""Enable logging of zwave-js-server in the lib."""
# If lib log level is set to debug, we want to enable server logging. First we
# check if server log level is less verbose than library logging, and if so, set it
# to debug to match library logging. We will store the old server log level in
# hass.data so we can reset it later
if (
not driver
or not driver.client.connected
or driver.client.server_logging_enabled
):
return
LOGGER.info("Enabling zwave-js-server logging")
if (curr_server_log_level := driver.log_config.level) and (
LOG_LEVEL_MAP[curr_server_log_level]
) > (lib_log_level := LIB_LOGGER.getEffectiveLevel()):
entry_data = entry.runtime_data
LOGGER.warning(
(
"Server logging is set to %s and is currently less verbose "
"than library logging, setting server log level to %s to match"
),
curr_server_log_level,
logging.getLevelName(lib_log_level),
)
entry_data[DATA_OLD_SERVER_LOG_LEVEL] = curr_server_log_level
await driver.async_update_log_config(LogConfig(level=LogLevel.DEBUG))
await driver.client.enable_server_logging()
LOGGER.info("Zwave-js-server logging is enabled")
async def async_disable_server_logging_if_needed(
hass: HomeAssistant, entry: ConfigEntry, driver: Driver
) -> None:
"""Disable logging of zwave-js-server in the lib if still connected to server."""
if (
not driver
or not driver.client.connected
or not driver.client.server_logging_enabled
):
return
LOGGER.info("Disabling zwave_js server logging")
if (
DATA_OLD_SERVER_LOG_LEVEL in entry.runtime_data
and (old_server_log_level := entry.runtime_data.pop(DATA_OLD_SERVER_LOG_LEVEL))
!= driver.log_config.level
):
LOGGER.info(
(
"Server logging is currently set to %s as a result of server logging "
"being enabled. It is now being reset to %s"
),
driver.log_config.level,
old_server_log_level,
)
await driver.async_update_log_config(LogConfig(level=old_server_log_level))
await driver.client.disable_server_logging()
LOGGER.info("Zwave-js-server logging is enabled")
def get_valueless_base_unique_id(driver: Driver, node: ZwaveNode) -> str:
"""Return the base unique ID for an entity that is not based on a value."""
return f"{driver.controller.home_id}.{node.node_id}"
def get_unique_id(driver: Driver, value_id: str) -> str:
"""Get unique ID from client and value ID."""
return f"{driver.controller.home_id}.{value_id}"
def get_device_id(driver: Driver, node: ZwaveNode) -> tuple[str, str]:
"""Get device registry identifier for Z-Wave node."""
return (DOMAIN, f"{driver.controller.home_id}-{node.node_id}")
def get_device_id_ext(driver: Driver, node: ZwaveNode) -> tuple[str, str] | None:
"""Get extended device registry identifier for Z-Wave node."""
if None in (node.manufacturer_id, node.product_type, node.product_id):
return None
domain, dev_id = get_device_id(driver, node)
return (
domain,
f"{dev_id}-{node.manufacturer_id}:{node.product_type}:{node.product_id}",
)
def get_home_and_node_id_from_device_entry(
device_entry: dr.DeviceEntry,
) -> tuple[str, int] | None:
"""Get home ID and node ID for Z-Wave device registry entry.
Returns (home_id, node_id) or None if not found.
"""
device_id = next(
(
identifier[1]
for identifier in device_entry.identifiers
if identifier[0] == DOMAIN
),
None,
)
if device_id is None:
return None
id_ = device_id.split("-")
return (id_[0], int(id_[1]))
@callback
def async_get_node_from_device_id(
hass: HomeAssistant, device_id: str, dev_reg: dr.DeviceRegistry | None = None
) -> ZwaveNode:
"""Get node from a device ID.
Raises ValueError if device is invalid or node can't be found.
"""
if not dev_reg:
dev_reg = dr.async_get(hass)
if not (device_entry := dev_reg.async_get(device_id)):
raise ValueError(f"Device ID {device_id} is not valid")
# Use device config entry ID's to validate that this is a valid zwave_js device
# and to get the client
config_entry_ids = device_entry.config_entries
entry = next(
(
entry
for entry in hass.config_entries.async_entries(DOMAIN)
if entry.entry_id in config_entry_ids
),
None,
)
if entry and entry.state != ConfigEntryState.LOADED:
raise ValueError(f"Device {device_id} config entry is not loaded")
if entry is None:
raise ValueError(
f"Device {device_id} is not from an existing zwave_js config entry"
)
client: ZwaveClient = entry.runtime_data[DATA_CLIENT]
driver = client.driver
if driver is None:
raise ValueError("Driver is not ready.")
# Get node ID from device identifier, perform some validation, and then get the
# node
identifiers = get_home_and_node_id_from_device_entry(device_entry)
node_id = identifiers[1] if identifiers else None
if node_id is None or node_id not in driver.controller.nodes:
raise ValueError(f"Node for device {device_id} can't be found")
return driver.controller.nodes[node_id]
@callback
def async_get_node_from_entity_id(
hass: HomeAssistant,
entity_id: str,
ent_reg: er.EntityRegistry | None = None,
dev_reg: dr.DeviceRegistry | None = None,
) -> ZwaveNode:
"""Get node from an entity ID.
Raises ValueError if entity is invalid.
"""
if not ent_reg:
ent_reg = er.async_get(hass)
entity_entry = ent_reg.async_get(entity_id)
if entity_entry is None or entity_entry.platform != DOMAIN:
raise ValueError(f"Entity {entity_id} is not a valid {DOMAIN} entity")
# Assert for mypy, safe because we know that zwave_js entities are always
# tied to a device
assert entity_entry.device_id
return async_get_node_from_device_id(hass, entity_entry.device_id, dev_reg)
@callback
def async_get_nodes_from_area_id(
hass: HomeAssistant,
area_id: str,
ent_reg: er.EntityRegistry | None = None,
dev_reg: dr.DeviceRegistry | None = None,
) -> set[ZwaveNode]:
"""Get nodes for all Z-Wave JS devices and entities that are in an area."""
nodes: set[ZwaveNode] = set()
if ent_reg is None:
ent_reg = er.async_get(hass)
if dev_reg is None:
dev_reg = dr.async_get(hass)
# Add devices for all entities in an area that are Z-Wave JS entities
nodes.update(
{
async_get_node_from_device_id(hass, entity.device_id, dev_reg)
for entity in er.async_entries_for_area(ent_reg, area_id)
if entity.platform == DOMAIN and entity.device_id is not None
}
)
# Add devices in an area that are Z-Wave JS devices
nodes.update(
async_get_node_from_device_id(hass, device.id, dev_reg)
for device in dr.async_entries_for_area(dev_reg, area_id)
if any(
cast(
ConfigEntry,
hass.config_entries.async_get_entry(config_entry_id),
).domain
== DOMAIN
for config_entry_id in device.config_entries
)
)
return nodes
@callback
def async_get_nodes_from_targets(
hass: HomeAssistant,
val: dict[str, Any],
ent_reg: er.EntityRegistry | None = None,
dev_reg: dr.DeviceRegistry | None = None,
logger: logging.Logger = LOGGER,
) -> set[ZwaveNode]:
"""Get nodes for all targets.
Supports entity_id with group expansion, area_id, and device_id.
"""
nodes: set[ZwaveNode] = set()
# Convert all entity IDs to nodes
for entity_id in expand_entity_ids(hass, val.get(ATTR_ENTITY_ID, [])):
try:
nodes.add(async_get_node_from_entity_id(hass, entity_id, ent_reg, dev_reg))
except ValueError as err:
logger.warning(err.args[0])
# Convert all area IDs to nodes
for area_id in val.get(ATTR_AREA_ID, []):
nodes.update(async_get_nodes_from_area_id(hass, area_id, ent_reg, dev_reg))
# Convert all device IDs to nodes
for device_id in val.get(ATTR_DEVICE_ID, []):
try:
nodes.add(async_get_node_from_device_id(hass, device_id, dev_reg))
except ValueError as err:
logger.warning(err.args[0])
return nodes
def get_zwave_value_from_config(node: ZwaveNode, config: ConfigType) -> ZwaveValue:
"""Get a Z-Wave JS Value from a config."""
endpoint = None
if config.get(ATTR_ENDPOINT):
endpoint = config[ATTR_ENDPOINT]
property_key = None
if config.get(ATTR_PROPERTY_KEY):
property_key = config[ATTR_PROPERTY_KEY]
value_id = get_value_id_str(
node,
config[ATTR_COMMAND_CLASS],
config[ATTR_PROPERTY],
endpoint,
property_key,
)
if value_id not in node.values:
raise vol.Invalid(f"Value {value_id} can't be found on node {node}")
return node.values[value_id]
def _zwave_js_config_entry(hass: HomeAssistant, device: dr.DeviceEntry) -> str | None:
"""Find zwave_js config entry from a device."""
for entry_id in device.config_entries:
entry = hass.config_entries.async_get_entry(entry_id)
if entry and entry.domain == DOMAIN:
return entry_id
return None
@callback
def async_get_node_status_sensor_entity_id(
hass: HomeAssistant,
device_id: str,
ent_reg: er.EntityRegistry | None = None,
dev_reg: dr.DeviceRegistry | None = None,
) -> str | None:
"""Get the node status sensor entity ID for a given Z-Wave JS device."""
if not ent_reg:
ent_reg = er.async_get(hass)
if not dev_reg:
dev_reg = dr.async_get(hass)
if not (device := dev_reg.async_get(device_id)):
raise HomeAssistantError("Invalid Device ID provided")
if not (entry_id := _zwave_js_config_entry(hass, device)):
return None
entry = hass.config_entries.async_get_entry(entry_id)
assert entry
client = entry.runtime_data[DATA_CLIENT]
node = async_get_node_from_device_id(hass, device_id, dev_reg)
return ent_reg.async_get_entity_id(
SENSOR_DOMAIN,
DOMAIN,
f"{client.driver.controller.home_id}.{node.node_id}.node_status",
)
def remove_keys_with_empty_values(config: ConfigType) -> ConfigType:
"""Remove keys from config where the value is an empty string or None."""
return {key: value for key, value in config.items() if value not in ("", None)}
def check_type_schema_map(
schema_map: dict[str, vol.Schema],
) -> Callable[[ConfigType], ConfigType]:
"""Check type specific schema against config."""
def _check_type_schema(config: ConfigType) -> ConfigType:
"""Check type specific schema against config."""
return cast(ConfigType, schema_map[str(config[CONF_TYPE])](config))
return _check_type_schema
def copy_available_params(
input_dict: dict[str, Any], output_dict: dict[str, Any], params: list[str]
) -> None:
"""Copy available params from input into output."""
output_dict.update(
{param: input_dict[param] for param in params if param in input_dict}
)
def get_value_state_schema(
value: ZwaveValue,
) -> VolSchemaType | vol.Coerce | vol.In | None:
"""Return device automation schema for a config entry."""
if isinstance(value, ConfigurationValue):
min_ = value.metadata.min
max_ = value.metadata.max
if value.configuration_value_type in (
ConfigurationValueType.RANGE,
ConfigurationValueType.MANUAL_ENTRY,
):
return vol.All(vol.Coerce(int), vol.Range(min=min_, max=max_))
if value.configuration_value_type == ConfigurationValueType.BOOLEAN:
return vol.Coerce(bool)
if value.configuration_value_type == ConfigurationValueType.ENUMERATED:
return vol.In({int(k): v for k, v in value.metadata.states.items()})
return None
if value.metadata.states:
return vol.In({int(k): v for k, v in value.metadata.states.items()})
return vol.All(
vol.Coerce(int),
vol.Range(min=value.metadata.min, max=value.metadata.max),
)
def get_device_info(driver: Driver, node: ZwaveNode) -> DeviceInfo:
"""Get DeviceInfo for node."""
return DeviceInfo(
identifiers={get_device_id(driver, node)},
sw_version=node.firmware_version,
name=node.name or node.device_config.description or f"Node {node.node_id}",
model=node.device_config.label,
manufacturer=node.device_config.manufacturer,
suggested_area=node.location if node.location else None,
)
def get_network_identifier_for_notification(
hass: HomeAssistant, config_entry: ConfigEntry, controller: Controller
) -> str:
"""Return the network identifier string for persistent notifications."""
home_id = str(controller.home_id)
if len(hass.config_entries.async_entries(DOMAIN)) > 1:
if str(home_id) != config_entry.title:
return f"`{config_entry.title}`, with the home ID `{home_id}`,"
return f"with the home ID `{home_id}`"
return ""