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core/homeassistant/components/sensor/helpers.py
T
2026-04-30 21:14:48 +02:00

38 lines
1.1 KiB
Python

"""Helpers for sensor entities."""
from datetime import date, datetime
import logging
from homeassistant.core import callback
from homeassistant.util import dt as dt_util
from . import SensorDeviceClass
_LOGGER = logging.getLogger(__name__)
@callback
def async_parse_date_datetime(
value: str, entity_id: str, device_class: SensorDeviceClass | str | None
) -> datetime | date | None:
"""Parse datetime string to a data or datetime."""
if device_class in (SensorDeviceClass.TIMESTAMP, SensorDeviceClass.UPTIME):
if (parsed_timestamp := dt_util.parse_datetime(value)) is None:
_LOGGER.warning("%s rendered invalid timestamp: %s", entity_id, value)
return None
if parsed_timestamp.tzinfo is None:
_LOGGER.warning(
"%s rendered timestamp without timezone: %s", entity_id, value
)
return None
return parsed_timestamp
# Date device class
if (parsed_date := dt_util.parse_date(value)) is not None:
return parsed_date
_LOGGER.warning("%s rendered invalid date %s", entity_id, value)
return None