mirror of https://github.com/home-assistant/core
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
"""Support for ADS select entities."""
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from __future__ import annotations
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import pyads
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import voluptuous as vol
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from homeassistant.components.select import (
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PLATFORM_SCHEMA as SELECT_PLATFORM_SCHEMA,
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SelectEntity,
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)
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from homeassistant.const import CONF_NAME
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from homeassistant.core import HomeAssistant
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from .const import CONF_ADS_VAR, DATA_ADS
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from .entity import AdsEntity
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from .hub import AdsHub
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DEFAULT_NAME = "ADS select"
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CONF_OPTIONS = "options"
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PLATFORM_SCHEMA = SELECT_PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_ADS_VAR): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Required(CONF_OPTIONS): vol.All(cv.ensure_list, [cv.string]),
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}
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)
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def setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up an ADS select device."""
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ads_hub = hass.data[DATA_ADS]
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ads_var: str = config[CONF_ADS_VAR]
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name: str = config[CONF_NAME]
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options: list[str] = config[CONF_OPTIONS]
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entity = AdsSelect(ads_hub, ads_var, name, options)
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add_entities([entity])
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class AdsSelect(AdsEntity, SelectEntity):
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"""Representation of an ADS select entity."""
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def __init__(
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self,
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ads_hub: AdsHub,
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ads_var: str,
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name: str,
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options: list[str],
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) -> None:
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"""Initialize the AdsSelect entity."""
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super().__init__(ads_hub, name, ads_var)
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self._attr_options = options
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self._attr_current_option = None
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async def async_added_to_hass(self) -> None:
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"""Register device notification."""
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await self.async_initialize_device(self._ads_var, pyads.PLCTYPE_INT)
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self._ads_hub.add_device_notification(
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self._ads_var, pyads.PLCTYPE_INT, self._handle_ads_value
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)
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def select_option(self, option: str) -> None:
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"""Change the selected option."""
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if option in self._attr_options:
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index = self._attr_options.index(option)
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self._ads_hub.write_by_name(self._ads_var, index, pyads.PLCTYPE_INT)
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self._attr_current_option = option
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def _handle_ads_value(self, name: str, value: int) -> None:
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"""Handle the value update from ADS."""
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if 0 <= value < len(self._attr_options):
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self._attr_current_option = self._attr_options[value]
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self.schedule_update_ha_state()
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