core/homeassistant/components/template/number.py

257 lines
8.1 KiB
Python

"""Support for numbers which integrates with other components."""
from __future__ import annotations
import contextlib
import logging
from typing import Any
import voluptuous as vol
from homeassistant.components.number import NumberEntity
from homeassistant.components.number.const import (
ATTR_MAX,
ATTR_MIN,
ATTR_STEP,
ATTR_VALUE,
DEFAULT_MAX_VALUE,
DEFAULT_MIN_VALUE,
DOMAIN as NUMBER_DOMAIN,
)
from homeassistant.const import (
CONF_ICON,
CONF_NAME,
CONF_OPTIMISTIC,
CONF_STATE,
CONF_UNIQUE_ID,
)
from homeassistant.core import Config, HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.script import Script
from homeassistant.helpers.template import Template, TemplateError
from . import TriggerUpdateCoordinator
from .const import CONF_AVAILABILITY, DOMAIN
from .template_entity import TemplateEntity
from .trigger_entity import TriggerEntity
_LOGGER = logging.getLogger(__name__)
CONF_SET_VALUE = "set_value"
DEFAULT_NAME = "Template Number"
DEFAULT_OPTIMISTIC = False
NUMBER_SCHEMA = vol.Schema(
{
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.template,
vol.Required(CONF_STATE): cv.template,
vol.Required(CONF_SET_VALUE): cv.SCRIPT_SCHEMA,
vol.Required(ATTR_STEP): cv.template,
vol.Optional(ATTR_MIN, default=DEFAULT_MIN_VALUE): cv.template,
vol.Optional(ATTR_MAX, default=DEFAULT_MAX_VALUE): cv.template,
vol.Optional(CONF_AVAILABILITY): cv.template,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_UNIQUE_ID): cv.string,
vol.Optional(CONF_ICON): cv.template,
}
)
async def _async_create_entities(
hass: HomeAssistant, definitions: list[dict[str, Any]], unique_id_prefix: str | None
) -> list[TemplateNumber]:
"""Create the Template number."""
entities = []
for definition in definitions:
unique_id = definition.get(CONF_UNIQUE_ID)
if unique_id and unique_id_prefix:
unique_id = f"{unique_id_prefix}-{unique_id}"
entities.append(
TemplateNumber(
hass,
definition[CONF_NAME],
definition[CONF_STATE],
definition.get(CONF_AVAILABILITY),
definition[CONF_SET_VALUE],
definition[ATTR_STEP],
definition[ATTR_MIN],
definition[ATTR_MAX],
definition[CONF_OPTIMISTIC],
unique_id,
definition.get(CONF_ICON),
)
)
return entities
async def async_setup_platform(
hass: HomeAssistant,
config: Config,
async_add_entities: AddEntitiesCallback,
discovery_info: dict[str, Any] | None = None,
) -> None:
"""Set up the template number."""
if discovery_info is None:
_LOGGER.warning(
"Template number entities can only be configured under template:"
)
return
if "coordinator" in discovery_info:
async_add_entities(
TriggerNumberEntity(hass, discovery_info["coordinator"], config)
for config in discovery_info["entities"]
)
return
async_add_entities(
await _async_create_entities(
hass, discovery_info["entities"], discovery_info["unique_id"]
)
)
class TemplateNumber(TemplateEntity, NumberEntity):
"""Representation of a template number."""
def __init__(
self,
hass: HomeAssistant,
name_template: Template,
value_template: Template,
availability_template: Template | None,
command_set_value: dict[str, Any],
step_template: Template,
minimum_template: Template | None,
maximum_template: Template | None,
optimistic: bool,
unique_id: str | None,
icon_template: Template | None,
) -> None:
"""Initialize the number."""
super().__init__(
availability_template=availability_template, icon_template=icon_template
)
self._attr_name = DEFAULT_NAME
self._name_template = name_template
name_template.hass = hass
with contextlib.suppress(TemplateError):
self._attr_name = name_template.async_render(parse_result=False)
self._value_template = value_template
self._command_set_value = Script(
hass, command_set_value, self._attr_name, DOMAIN
)
self._step_template = step_template
self._min_value_template = minimum_template
self._max_value_template = maximum_template
self._attr_assumed_state = self._optimistic = optimistic
self._attr_unique_id = unique_id
self._attr_value = None
self._attr_step = None
self._attr_min_value = None
self._attr_max_value = None
async def async_added_to_hass(self) -> None:
"""Register callbacks."""
if self._name_template and not self._name_template.is_static:
self.add_template_attribute("_attr_name", self._name_template, cv.string)
self.add_template_attribute(
"_attr_value",
self._value_template,
validator=vol.Coerce(float),
none_on_template_error=True,
)
self.add_template_attribute(
"_attr_step",
self._step_template,
validator=vol.Coerce(float),
none_on_template_error=True,
)
if self._min_value_template is not None:
self.add_template_attribute(
"_attr_min_value",
self._min_value_template,
validator=vol.Coerce(float),
none_on_template_error=True,
)
if self._max_value_template is not None:
self.add_template_attribute(
"_attr_max_value",
self._max_value_template,
validator=vol.Coerce(float),
none_on_template_error=True,
)
await super().async_added_to_hass()
async def async_set_value(self, value: float) -> None:
"""Set value of the number."""
if self._optimistic:
self._attr_value = value
self.async_write_ha_state()
await self._command_set_value.async_run(
{ATTR_VALUE: value}, context=self._context
)
class TriggerNumberEntity(TriggerEntity, NumberEntity):
"""Number entity based on trigger data."""
domain = NUMBER_DOMAIN
extra_template_keys = (
CONF_STATE,
ATTR_STEP,
ATTR_MIN,
ATTR_MAX,
)
def __init__(
self,
hass: HomeAssistant,
coordinator: TriggerUpdateCoordinator,
config: dict,
) -> None:
"""Initialize the entity."""
super().__init__(hass, coordinator, config)
self._command_set_value = Script(
hass,
config[CONF_SET_VALUE],
self._rendered.get(CONF_NAME, DEFAULT_NAME),
DOMAIN,
)
@property
def value(self) -> float | None:
"""Return the currently selected option."""
return vol.Any(vol.Coerce(float), None)(self._rendered.get(CONF_STATE))
@property
def min_value(self) -> int:
"""Return the minimum value."""
return vol.Any(vol.Coerce(float), None)(
self._rendered.get(ATTR_MIN, super().min_value)
)
@property
def max_value(self) -> int:
"""Return the maximum value."""
return vol.Any(vol.Coerce(float), None)(
self._rendered.get(ATTR_MAX, super().max_value)
)
@property
def step(self) -> int:
"""Return the increment/decrement step."""
return vol.Any(vol.Coerce(float), None)(
self._rendered.get(ATTR_STEP, super().step)
)
async def async_set_value(self, value: float) -> None:
"""Set value of the number."""
if self._config[CONF_OPTIMISTIC]:
self._attr_value = value
self.async_write_ha_state()
await self._command_set_value.async_run(
{ATTR_VALUE: value}, context=self._context
)