101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
"""Support for KNX/IP date."""
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from __future__ import annotations
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from datetime import date as dt_date
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import time
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from typing import Final
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from xknx import XKNX
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from xknx.devices import DateTime as XknxDateTime
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from homeassistant import config_entries
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from homeassistant.components.date import DateEntity
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from homeassistant.const import (
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CONF_ENTITY_CATEGORY,
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CONF_NAME,
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STATE_UNAVAILABLE,
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STATE_UNKNOWN,
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Platform,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.restore_state import RestoreEntity
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from homeassistant.helpers.typing import ConfigType
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from .const import (
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CONF_RESPOND_TO_READ,
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CONF_STATE_ADDRESS,
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CONF_SYNC_STATE,
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DATA_KNX_CONFIG,
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DOMAIN,
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KNX_ADDRESS,
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)
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from .knx_entity import KnxEntity
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_DATE_TRANSLATION_FORMAT: Final = "%Y-%m-%d"
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: config_entries.ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up entities for KNX platform."""
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xknx: XKNX = hass.data[DOMAIN].xknx
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config: list[ConfigType] = hass.data[DATA_KNX_CONFIG][Platform.DATE]
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async_add_entities(KNXDate(xknx, entity_config) for entity_config in config)
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def _create_xknx_device(xknx: XKNX, config: ConfigType) -> XknxDateTime:
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"""Return a XKNX DateTime object to be used within XKNX."""
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return XknxDateTime(
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xknx,
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name=config[CONF_NAME],
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broadcast_type="DATE",
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localtime=False,
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group_address=config[KNX_ADDRESS],
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group_address_state=config.get(CONF_STATE_ADDRESS),
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respond_to_read=config[CONF_RESPOND_TO_READ],
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sync_state=config[CONF_SYNC_STATE],
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)
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class KNXDate(KnxEntity, DateEntity, RestoreEntity):
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"""Representation of a KNX date."""
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_device: XknxDateTime
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def __init__(self, xknx: XKNX, config: ConfigType) -> None:
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"""Initialize a KNX time."""
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super().__init__(_create_xknx_device(xknx, config))
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self._attr_entity_category = config.get(CONF_ENTITY_CATEGORY)
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self._attr_unique_id = str(self._device.remote_value.group_address)
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async def async_added_to_hass(self) -> None:
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"""Restore last state."""
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await super().async_added_to_hass()
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if (
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not self._device.remote_value.readable
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and (last_state := await self.async_get_last_state()) is not None
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and last_state.state not in (STATE_UNKNOWN, STATE_UNAVAILABLE)
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):
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self._device.remote_value.value = time.strptime(
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last_state.state, _DATE_TRANSLATION_FORMAT
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)
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@property
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def native_value(self) -> dt_date | None:
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"""Return the latest value."""
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if (time_struct := self._device.remote_value.value) is None:
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return None
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return dt_date(
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year=time_struct.tm_year,
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month=time_struct.tm_mon,
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day=time_struct.tm_mday,
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)
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async def async_set_value(self, value: dt_date) -> None:
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"""Change the value."""
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await self._device.set(value.timetuple())
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