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85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
"""Support for Victron GX select entities."""
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import logging
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from typing import TYPE_CHECKING, Any, override
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from victron_mqtt import (
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Device as VictronVenusDevice,
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Metric as VictronVenusMetric,
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MetricKind,
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VictronEnum,
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WritableMetric as VictronVenusWritableMetric,
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)
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from homeassistant.components.select import SelectEntity
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.device_registry import DeviceInfo
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from .entity import VictronBaseEntity
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from .hub import VictronGxConfigEntry
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_LOGGER = logging.getLogger(__name__)
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PARALLEL_UPDATES = 0 # There is no I/O in the entity itself.
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: VictronGxConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up Victron GX select entities from a config entry."""
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hub = config_entry.runtime_data
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def on_new_metric(
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device: VictronVenusDevice,
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metric: VictronVenusMetric,
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device_info: DeviceInfo,
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installation_id: str,
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) -> None:
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"""Handle new select metric discovery."""
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assert isinstance(metric, VictronVenusWritableMetric)
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async_add_entities(
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[VictronSelect(device, metric, device_info, installation_id)]
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)
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hub.register_new_metric_callback(MetricKind.SELECT, on_new_metric)
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class VictronSelect(VictronBaseEntity, SelectEntity):
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"""Implementation of a Victron GX select entity."""
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def __init__(
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self,
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device: VictronVenusDevice,
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metric: VictronVenusWritableMetric,
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device_info: DeviceInfo,
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installation_id: str,
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) -> None:
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"""Initialize the select entity."""
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super().__init__(device, metric, device_info, installation_id)
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if TYPE_CHECKING:
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assert metric.enum_values, "Select metric will always have enum values"
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self._attr_options = metric.enum_values
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self._attr_current_option = VictronSelect._normalize_value(metric.value)
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@callback
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@override
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def _on_update_cb(self, value: Any) -> None:
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self._attr_current_option = VictronSelect._normalize_value(value)
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self.async_write_ha_state()
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@override
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async def async_select_option(self, option: str) -> None:
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"""Change the selected option."""
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if TYPE_CHECKING:
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assert isinstance(self._metric, VictronVenusWritableMetric)
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_LOGGER.debug("Setting select %s to %s", self._attr_unique_id, option)
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self._metric.set(option)
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@staticmethod
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def _normalize_value(value: Any) -> Any:
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"""Normalize Victron enum values to their enum code."""
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return value.id if isinstance(value, VictronEnum) else value
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