mirror of https://github.com/home-assistant/core
52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
"""Temperature util functions."""
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# pylint: disable-next=unused-import,hass-deprecated-import
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from homeassistant.const import ( # noqa: F401
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TEMP_CELSIUS,
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TEMP_FAHRENHEIT,
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TEMP_KELVIN,
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TEMPERATURE,
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UNIT_NOT_RECOGNIZED_TEMPLATE,
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)
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from homeassistant.helpers.frame import report
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from .unit_conversion import TemperatureConverter
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VALID_UNITS = TemperatureConverter.VALID_UNITS
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def fahrenheit_to_celsius(fahrenheit: float, interval: bool = False) -> float:
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"""Convert a temperature in Fahrenheit to Celsius."""
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return convert(fahrenheit, TEMP_FAHRENHEIT, TEMP_CELSIUS, interval)
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def kelvin_to_celsius(kelvin: float, interval: bool = False) -> float:
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"""Convert a temperature in Kelvin to Celsius."""
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return convert(kelvin, TEMP_KELVIN, TEMP_CELSIUS, interval)
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def celsius_to_fahrenheit(celsius: float, interval: bool = False) -> float:
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"""Convert a temperature in Celsius to Fahrenheit."""
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return convert(celsius, TEMP_CELSIUS, TEMP_FAHRENHEIT, interval)
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def celsius_to_kelvin(celsius: float, interval: bool = False) -> float:
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"""Convert a temperature in Celsius to Fahrenheit."""
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return convert(celsius, TEMP_CELSIUS, TEMP_KELVIN, interval)
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def convert(
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temperature: float, from_unit: str, to_unit: str, interval: bool = False
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) -> float:
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"""Convert a temperature from one unit to another."""
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report(
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(
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"uses temperature utility. This is deprecated since 2022.10 and will "
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"stop working in Home Assistant 2023.4, it should be updated to use "
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"unit_conversion.TemperatureConverter instead"
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),
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error_if_core=False,
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)
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if interval:
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return TemperatureConverter.convert_interval(temperature, from_unit, to_unit)
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return TemperatureConverter.convert(temperature, from_unit, to_unit)
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