core/homeassistant/components/season/sensor.py

158 lines
4.7 KiB
Python

"""Support for Season sensors."""
from __future__ import annotations
from datetime import date, datetime
import ephem
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
SensorEntity,
)
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import CONF_NAME, CONF_TYPE
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.device_registry import DeviceEntryType
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util.dt import utcnow
from .const import DEFAULT_NAME, DOMAIN, TYPE_ASTRONOMICAL, VALID_TYPES
EQUATOR = "equator"
NORTHERN = "northern"
SOUTHERN = "southern"
STATE_AUTUMN = "autumn"
STATE_SPRING = "spring"
STATE_SUMMER = "summer"
STATE_WINTER = "winter"
HEMISPHERE_SEASON_SWAP = {
STATE_WINTER: STATE_SUMMER,
STATE_SPRING: STATE_AUTUMN,
STATE_AUTUMN: STATE_SPRING,
STATE_SUMMER: STATE_WINTER,
}
SEASON_ICONS = {
STATE_SPRING: "mdi:flower",
STATE_SUMMER: "mdi:sunglasses",
STATE_AUTUMN: "mdi:leaf",
STATE_WINTER: "mdi:snowflake",
}
PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_TYPE, default=TYPE_ASTRONOMICAL): vol.In(VALID_TYPES),
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 season sensor platform."""
async_create_issue(
hass,
DOMAIN,
"removed_yaml",
breaks_in_ha_version="2022.12.0",
is_fixable=False,
severity=IssueSeverity.WARNING,
translation_key="removed_yaml",
)
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data=config,
)
)
async def async_setup_entry(
hass: HomeAssistant,
entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the platform from config entry."""
hemisphere = EQUATOR
if hass.config.latitude < 0:
hemisphere = SOUTHERN
elif hass.config.latitude > 0:
hemisphere = NORTHERN
async_add_entities([SeasonSensorEntity(entry, hemisphere)], True)
def get_season(
current_date: date, hemisphere: str, season_tracking_type: str
) -> str | None:
"""Calculate the current season."""
if hemisphere == "equator":
return None
if season_tracking_type == TYPE_ASTRONOMICAL:
spring_start = ephem.next_equinox(str(current_date.year)).datetime()
summer_start = ephem.next_solstice(str(current_date.year)).datetime()
autumn_start = ephem.next_equinox(spring_start).datetime()
winter_start = ephem.next_solstice(summer_start).datetime()
else:
spring_start = datetime(2017, 3, 1).replace(year=current_date.year)
summer_start = spring_start.replace(month=6)
autumn_start = spring_start.replace(month=9)
winter_start = spring_start.replace(month=12)
season = STATE_WINTER
if spring_start <= current_date < summer_start:
season = STATE_SPRING
elif summer_start <= current_date < autumn_start:
season = STATE_SUMMER
elif autumn_start <= current_date < winter_start:
season = STATE_AUTUMN
# If user is located in the southern hemisphere swap the season
if hemisphere == NORTHERN:
return season
return HEMISPHERE_SEASON_SWAP.get(season)
class SeasonSensorEntity(SensorEntity):
"""Representation of the current season."""
_attr_device_class = "season__season"
_attr_has_entity_name = True
def __init__(self, entry: ConfigEntry, hemisphere: str) -> None:
"""Initialize the season."""
self._attr_unique_id = entry.entry_id
self.hemisphere = hemisphere
self.type = entry.data[CONF_TYPE]
self._attr_device_info = DeviceInfo(
name=entry.title,
identifiers={(DOMAIN, entry.entry_id)},
entry_type=DeviceEntryType.SERVICE,
)
def update(self) -> None:
"""Update season."""
self._attr_native_value = get_season(
utcnow().replace(tzinfo=None), self.hemisphere, self.type
)
self._attr_icon = "mdi:cloud"
if self._attr_native_value:
self._attr_icon = SEASON_ICONS[self._attr_native_value]