mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
293 lines
9.1 KiB
Python
293 lines
9.1 KiB
Python
"""Support to enter a value into a text box."""
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from __future__ import annotations
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import logging
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import voluptuous as vol
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from homeassistant.const import (
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ATTR_EDITABLE,
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ATTR_MODE,
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CONF_ICON,
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CONF_ID,
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CONF_MODE,
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CONF_NAME,
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CONF_UNIT_OF_MEASUREMENT,
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SERVICE_RELOAD,
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)
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from homeassistant.core import HomeAssistant, ServiceCall, callback
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from homeassistant.helpers import collection
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_component import EntityComponent
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from homeassistant.helpers.integration_platform import (
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async_process_integration_platform_for_component,
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)
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from homeassistant.helpers.restore_state import RestoreEntity
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import homeassistant.helpers.service
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from homeassistant.helpers.storage import Store
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from homeassistant.helpers.typing import ConfigType
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = "input_text"
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CONF_INITIAL = "initial"
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CONF_MIN = "min"
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CONF_MIN_VALUE = 0
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CONF_MAX = "max"
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CONF_MAX_VALUE = 100
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CONF_PATTERN = "pattern"
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CONF_VALUE = "value"
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MODE_TEXT = "text"
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MODE_PASSWORD = "password"
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ATTR_VALUE = CONF_VALUE
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ATTR_MIN = "min"
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ATTR_MAX = "max"
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ATTR_PATTERN = CONF_PATTERN
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SERVICE_SET_VALUE = "set_value"
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STORAGE_KEY = DOMAIN
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STORAGE_VERSION = 1
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CREATE_FIELDS = {
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vol.Required(CONF_NAME): vol.All(str, vol.Length(min=1)),
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vol.Optional(CONF_MIN, default=CONF_MIN_VALUE): vol.Coerce(int),
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vol.Optional(CONF_MAX, default=CONF_MAX_VALUE): vol.Coerce(int),
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vol.Optional(CONF_INITIAL, ""): cv.string,
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vol.Optional(CONF_ICON): cv.icon,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_PATTERN): cv.string,
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vol.Optional(CONF_MODE, default=MODE_TEXT): vol.In([MODE_TEXT, MODE_PASSWORD]),
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}
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UPDATE_FIELDS = {
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_MIN): vol.Coerce(int),
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vol.Optional(CONF_MAX): vol.Coerce(int),
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vol.Optional(CONF_INITIAL): cv.string,
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vol.Optional(CONF_ICON): cv.icon,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_PATTERN): cv.string,
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vol.Optional(CONF_MODE): vol.In([MODE_TEXT, MODE_PASSWORD]),
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}
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def _cv_input_text(cfg):
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"""Configure validation helper for input box (voluptuous)."""
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minimum = cfg.get(CONF_MIN)
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maximum = cfg.get(CONF_MAX)
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if minimum > maximum:
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raise vol.Invalid(
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f"Max len ({minimum}) is not greater than min len ({maximum})"
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)
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state = cfg.get(CONF_INITIAL)
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if state is not None and (len(state) < minimum or len(state) > maximum):
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raise vol.Invalid(
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f"Initial value {state} length not in range {minimum}-{maximum}"
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)
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return cfg
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CONFIG_SCHEMA = vol.Schema(
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{
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DOMAIN: cv.schema_with_slug_keys(
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vol.All(
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lambda value: value or {},
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{
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_MIN, default=CONF_MIN_VALUE): vol.Coerce(int),
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vol.Optional(CONF_MAX, default=CONF_MAX_VALUE): vol.Coerce(int),
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vol.Optional(CONF_INITIAL, ""): cv.string,
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vol.Optional(CONF_ICON): cv.icon,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): cv.string,
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vol.Optional(CONF_PATTERN): cv.string,
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vol.Optional(CONF_MODE, default=MODE_TEXT): vol.In(
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[MODE_TEXT, MODE_PASSWORD]
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),
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},
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_cv_input_text,
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),
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)
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},
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extra=vol.ALLOW_EXTRA,
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)
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RELOAD_SERVICE_SCHEMA = vol.Schema({})
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async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
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"""Set up an input text."""
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component = EntityComponent(_LOGGER, DOMAIN, hass)
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# Process integration platforms right away since
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# we will create entities before firing EVENT_COMPONENT_LOADED
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await async_process_integration_platform_for_component(hass, DOMAIN)
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id_manager = collection.IDManager()
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yaml_collection = collection.YamlCollection(
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logging.getLogger(f"{__name__}.yaml_collection"), id_manager
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)
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collection.sync_entity_lifecycle(
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hass, DOMAIN, DOMAIN, component, yaml_collection, InputText.from_yaml
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)
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storage_collection = InputTextStorageCollection(
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Store(hass, STORAGE_VERSION, STORAGE_KEY),
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logging.getLogger(f"{__name__}.storage_collection"),
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id_manager,
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)
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collection.sync_entity_lifecycle(
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hass, DOMAIN, DOMAIN, component, storage_collection, InputText
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)
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await yaml_collection.async_load(
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[{CONF_ID: id_, **(conf or {})} for id_, conf in config.get(DOMAIN, {}).items()]
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)
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await storage_collection.async_load()
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collection.StorageCollectionWebsocket(
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storage_collection, DOMAIN, DOMAIN, CREATE_FIELDS, UPDATE_FIELDS
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).async_setup(hass)
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async def reload_service_handler(service_call: ServiceCall) -> None:
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"""Reload yaml entities."""
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conf = await component.async_prepare_reload(skip_reset=True)
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if conf is None:
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conf = {DOMAIN: {}}
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await yaml_collection.async_load(
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[{CONF_ID: id_, **(cfg or {})} for id_, cfg in conf.get(DOMAIN, {}).items()]
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)
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homeassistant.helpers.service.async_register_admin_service(
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hass,
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DOMAIN,
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SERVICE_RELOAD,
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reload_service_handler,
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schema=RELOAD_SERVICE_SCHEMA,
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)
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component.async_register_entity_service(
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SERVICE_SET_VALUE, {vol.Required(ATTR_VALUE): cv.string}, "async_set_value"
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)
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return True
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class InputTextStorageCollection(collection.StorageCollection):
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"""Input storage based collection."""
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CREATE_SCHEMA = vol.Schema(vol.All(CREATE_FIELDS, _cv_input_text))
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UPDATE_SCHEMA = vol.Schema(UPDATE_FIELDS)
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async def _process_create_data(self, data: dict) -> dict:
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"""Validate the config is valid."""
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return self.CREATE_SCHEMA(data)
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@callback
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def _get_suggested_id(self, info: dict) -> str:
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"""Suggest an ID based on the config."""
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return info[CONF_NAME]
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async def _update_data(self, data: dict, update_data: dict) -> dict:
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"""Return a new updated data object."""
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update_data = self.UPDATE_SCHEMA(update_data)
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return _cv_input_text({**data, **update_data})
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class InputText(RestoreEntity):
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"""Represent a text box."""
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_attr_should_poll = False
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def __init__(self, config: dict) -> None:
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"""Initialize a text input."""
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self._config = config
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self.editable = True
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self._current_value = config.get(CONF_INITIAL)
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@classmethod
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def from_yaml(cls, config: dict) -> InputText:
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"""Return entity instance initialized from yaml storage."""
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input_text = cls(config)
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input_text.entity_id = f"{DOMAIN}.{config[CONF_ID]}"
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input_text.editable = False
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return input_text
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@property
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def name(self):
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"""Return the name of the text input entity."""
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return self._config.get(CONF_NAME)
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@property
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def icon(self):
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"""Return the icon to be used for this entity."""
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return self._config.get(CONF_ICON)
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@property
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def _maximum(self) -> int:
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"""Return max len of the text."""
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return self._config[CONF_MAX]
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@property
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def _minimum(self) -> int:
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"""Return min len of the text."""
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return self._config[CONF_MIN]
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@property
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def state(self):
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"""Return the state of the component."""
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return self._current_value
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return self._config.get(CONF_UNIT_OF_MEASUREMENT)
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@property
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def unique_id(self) -> str | None:
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"""Return unique id for the entity."""
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return self._config[CONF_ID]
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@property
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def extra_state_attributes(self):
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"""Return the state attributes."""
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return {
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ATTR_EDITABLE: self.editable,
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ATTR_MIN: self._minimum,
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ATTR_MAX: self._maximum,
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ATTR_PATTERN: self._config.get(CONF_PATTERN),
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ATTR_MODE: self._config[CONF_MODE],
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}
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async def async_added_to_hass(self):
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"""Run when entity about to be added to hass."""
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await super().async_added_to_hass()
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if self._current_value is not None:
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return
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state = await self.async_get_last_state()
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value = state and state.state
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# Check against None because value can be 0
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if value is not None and self._minimum <= len(value) <= self._maximum:
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self._current_value = value
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async def async_set_value(self, value):
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"""Select new value."""
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if len(value) < self._minimum or len(value) > self._maximum:
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_LOGGER.warning(
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"Invalid value: %s (length range %s - %s)",
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value,
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self._minimum,
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self._maximum,
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)
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return
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self._current_value = value
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self.async_write_ha_state()
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async def async_update_config(self, config: dict) -> None:
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"""Handle when the config is updated."""
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self._config = config
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self.async_write_ha_state()
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