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HomeAssistantVS/custom_components/powercalc/common.py
T

247 lines
7.8 KiB
Python

from __future__ import annotations
import math
import re
from typing import NamedTuple
from homeassistant.components.light import ATTR_SUPPORTED_COLOR_MODES, ColorMode
from homeassistant.const import CONF_ENTITY_ID, CONF_NAME, CONF_UNIQUE_ID
from homeassistant.core import HomeAssistant, split_entity_id
import homeassistant.helpers.device_registry as dr
import homeassistant.helpers.entity_registry as er
from homeassistant.helpers.typing import ConfigType
import voluptuous as vol
from .const import (
CONF_CREATE_COST_SENSOR,
CONF_CREATE_COST_SENSORS,
CONF_CREATE_ENERGY_SENSOR,
CONF_CREATE_ENERGY_SENSORS,
CONF_CREATE_GROUP,
CONF_DAILY_FIXED_ENERGY,
CONF_ENERGY_PRICE,
CONF_ENERGY_PRICE_SENSOR,
CONF_FORCE_ENERGY_SENSOR_CREATION,
CONF_MULTI_SWITCH,
CONF_POWER_SENSOR_ID,
CONF_SENSOR_TYPE,
DUMMY_ENTITY_ID,
SensorType,
)
from .errors import SensorConfigurationError
class SourceEntity(NamedTuple):
object_id: str
entity_id: str
domain: str
unique_id: str | None = None
name: str | None = None
supported_color_modes: list[ColorMode] | None = None
entity_entry: er.RegistryEntry | None = None
device_entry: dr.DeviceEntry | None = None
EXCLUDE_FROM_PARENT_CONFIG = (
CONF_NAME,
CONF_ENTITY_ID,
CONF_UNIQUE_ID,
CONF_POWER_SENSOR_ID,
CONF_FORCE_ENERGY_SENSOR_CREATION,
)
ENTITY_ID_OPTIONAL_KEYS = (CONF_DAILY_FIXED_ENERGY, CONF_POWER_SENSOR_ID, CONF_MULTI_SWITCH)
# Groups of keys where a deeper config level replaces the whole group, instead of merging
# key by key. A sensor defining `energy_price` must fully override a global
# `energy_price_sensor`, otherwise the merged config would contain both price sources.
MUTUALLY_EXCLUSIVE_KEY_GROUPS = ((CONF_ENERGY_PRICE, CONF_ENERGY_PRICE_SENSOR),)
def is_number(value: str) -> bool:
"""Return whether the value can be converted to a finite float."""
try:
fvalue = float(value)
except TypeError, ValueError:
return False
return math.isfinite(fvalue)
def create_source_entity(entity_id: str, hass: HomeAssistant) -> SourceEntity:
"""Create object containing all information about the source entity."""
source_entity_domain, source_object_id = split_entity_id(entity_id)
if entity_id == DUMMY_ENTITY_ID:
return SourceEntity(
object_id=source_object_id,
entity_id=DUMMY_ENTITY_ID,
domain=source_entity_domain,
)
entity_registry = er.async_get(hass)
entity_entry = entity_registry.async_get(entity_id)
device_registry = dr.async_get(hass)
device_entry = (
device_registry.async_get(entity_entry.device_id) if entity_entry and entity_entry.device_id else None
)
unique_id = None
supported_color_modes: list[ColorMode] = []
if entity_entry:
source_entity_domain = entity_entry.domain
unique_id = entity_entry.unique_id
if entity_entry.capabilities:
supported_color_modes = entity_entry.capabilities.get(
ATTR_SUPPORTED_COLOR_MODES,
[],
)
entity_state = hass.states.get(entity_id)
if entity_state:
supported_color_modes = entity_state.attributes.get(ATTR_SUPPORTED_COLOR_MODES, [])
return SourceEntity(
source_object_id,
entity_id,
source_entity_domain,
unique_id,
get_wrapped_entity_name(
hass,
entity_id,
source_object_id,
entity_entry,
device_entry,
),
supported_color_modes or [],
entity_entry,
device_entry,
)
def get_wrapped_entity_name(
hass: HomeAssistant,
entity_id: str,
object_id: str,
entity_entry: er.RegistryEntry | None,
device_entry: dr.DeviceEntry | None,
) -> str:
"""Construct entity name based on the wrapped entity"""
if entity_entry is None:
return _get_state_name(hass, entity_id) or object_id
if entity_entry.name:
return entity_entry.name
device_entity_name = _get_device_entity_name(entity_entry, device_entry)
if device_entity_name:
return device_entity_name
return entity_entry.original_name or object_id
def _get_device_entity_name(
entity_entry: er.RegistryEntry,
device_entry: dr.DeviceEntry | None,
) -> str | None:
if not entity_entry.has_entity_name or device_entry is None:
return None
device_name = device_entry.name_by_user or device_entry.name
if not device_name:
return None
if entity_entry.original_name:
return f"{device_name} {entity_entry.original_name}"
return device_name
def _get_state_name(hass: HomeAssistant, entity_id: str) -> str | None:
entity_state = hass.states.get(entity_id)
return str(entity_state.name) if entity_state else None
def get_merged_sensor_configuration(*configs: ConfigType, validate: bool = True) -> ConfigType:
"""Merges configuration from multiple levels (global, group, sensor) into a single ConfigType."""
merged_config = _merge_config_levels(configs)
_apply_sensor_creation_defaults(merged_config)
_apply_dummy_entity_id_default(merged_config)
_validate_entity_id_config(merged_config, validate)
return merged_config
def _merge_config_levels(configs: tuple[ConfigType, ...]) -> ConfigType:
"""Merge config levels while keeping deepest-level-only fields local."""
num_configs = len(configs)
merged_config: ConfigType = {}
for i, config in enumerate(configs, 1):
config_copy = config.copy()
if i < num_configs:
for key in EXCLUDE_FROM_PARENT_CONFIG:
config_copy.pop(key, None)
_drop_overridden_alternatives(merged_config, config_copy)
merged_config.update(config_copy)
return merged_config
def _drop_overridden_alternatives(merged_config: ConfigType, config: ConfigType) -> None:
"""Drop the alternatives of a mutually exclusive key group set by a shallower config level."""
for group in MUTUALLY_EXCLUSIVE_KEY_GROUPS:
if not any(key in config for key in group):
continue
for key in group:
if key not in config:
merged_config.pop(key, None)
def _apply_sensor_creation_defaults(config: ConfigType) -> None:
config.setdefault(CONF_CREATE_ENERGY_SENSOR, config.get(CONF_CREATE_ENERGY_SENSORS))
config.setdefault(CONF_CREATE_COST_SENSOR, config.get(CONF_CREATE_COST_SENSORS))
def _apply_dummy_entity_id_default(config: ConfigType) -> None:
if CONF_ENTITY_ID in config:
return
# A standalone cost sensor has no source appliance entity, use the dummy placeholder.
if not _is_entity_id_required(config) or config.get(CONF_SENSOR_TYPE) == SensorType.COST:
config[CONF_ENTITY_ID] = DUMMY_ENTITY_ID
def _is_entity_id_required(config: ConfigType) -> bool:
return not any(key in config for key in ENTITY_ID_OPTIONAL_KEYS)
def _validate_entity_id_config(config: ConfigType, validate: bool) -> None:
if _is_missing_required_entity_id(config, validate):
raise SensorConfigurationError(
"You must supply an entity_id in the configuration, see the README",
)
def _is_missing_required_entity_id(config: ConfigType, validate: bool) -> bool:
sensor_type = config.get(CONF_SENSOR_TYPE)
return (
validate
and CONF_CREATE_GROUP not in config
and CONF_ENTITY_ID not in config
and sensor_type != SensorType.GROUP
)
def validate_name_pattern(value: str) -> str:
"""Validate that the naming pattern contains {}."""
regex = re.compile(r"{}")
if not regex.search(value):
raise vol.Invalid("Naming pattern must contain {}")
return value
def validate_is_number(value: str) -> str:
"""Validate value is a number."""
if is_number(value):
return value
raise vol.Invalid("Value is not a number")