core/homeassistant/components/moon/sensor.py

89 lines
2.8 KiB
Python

"""Support for tracking the moon phases."""
from __future__ import annotations
from astral import moon
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
SensorEntity,
)
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
import homeassistant.util.dt as dt_util
DEFAULT_NAME = "Moon"
STATE_FIRST_QUARTER = "first_quarter"
STATE_FULL_MOON = "full_moon"
STATE_LAST_QUARTER = "last_quarter"
STATE_NEW_MOON = "new_moon"
STATE_WANING_CRESCENT = "waning_crescent"
STATE_WANING_GIBBOUS = "waning_gibbous"
STATE_WAXING_GIBBOUS = "waxing_gibbous"
STATE_WAXING_CRESCENT = "waxing_crescent"
MOON_ICONS = {
STATE_FIRST_QUARTER: "mdi:moon-first-quarter",
STATE_FULL_MOON: "mdi:moon-full",
STATE_LAST_QUARTER: "mdi:moon-last-quarter",
STATE_NEW_MOON: "mdi:moon-new",
STATE_WANING_CRESCENT: "mdi:moon-waning-crescent",
STATE_WANING_GIBBOUS: "mdi:moon-waning-gibbous",
STATE_WAXING_CRESCENT: "mdi:moon-waxing-crescent",
STATE_WAXING_GIBBOUS: "mdi:moon-waxing-gibbous",
}
PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Moon sensor."""
name: str = config[CONF_NAME]
async_add_entities([MoonSensor(name)], True)
class MoonSensor(SensorEntity):
"""Representation of a Moon sensor."""
_attr_device_class = "moon__phase"
def __init__(self, name: str) -> None:
"""Initialize the moon sensor."""
self._attr_name = name
async def async_update(self):
"""Get the time and updates the states."""
today = dt_util.as_local(dt_util.utcnow()).date()
state = moon.phase(today)
if state < 0.5 or state > 27.5:
self._attr_native_value = STATE_NEW_MOON
elif state < 6.5:
self._attr_native_value = STATE_WAXING_CRESCENT
elif state < 7.5:
self._attr_native_value = STATE_FIRST_QUARTER
elif state < 13.5:
self._attr_native_value = STATE_WAXING_GIBBOUS
elif state < 14.5:
self._attr_native_value = STATE_FULL_MOON
elif state < 20.5:
self._attr_native_value = STATE_WANING_GIBBOUS
elif state < 21.5:
self._attr_native_value = STATE_LAST_QUARTER
else:
self._attr_native_value = STATE_WANING_CRESCENT
self._attr_icon = MOON_ICONS.get(self._attr_native_value)