core/homeassistant/components/zone/condition.py

157 lines
4.5 KiB
Python

"""Offer zone automation rules."""
from __future__ import annotations
import voluptuous as vol
from homeassistant.const import (
ATTR_GPS_ACCURACY,
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_CONDITION,
CONF_ENTITY_ID,
CONF_ZONE,
STATE_UNAVAILABLE,
STATE_UNKNOWN,
)
from homeassistant.core import HomeAssistant, State
from homeassistant.exceptions import ConditionErrorContainer, ConditionErrorMessage
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.condition import (
Condition,
ConditionCheckerType,
trace_condition_function,
)
from homeassistant.helpers.typing import ConfigType, TemplateVarsType
from . import in_zone
_CONDITION_SCHEMA = vol.Schema(
{
**cv.CONDITION_BASE_SCHEMA,
vol.Required(CONF_CONDITION): "zone",
vol.Required(CONF_ENTITY_ID): cv.entity_ids,
vol.Required("zone"): cv.entity_ids,
# To support use_trigger_value in automation
# Deprecated 2016/04/25
vol.Optional("event"): vol.Any("enter", "leave"),
}
)
def zone(
hass: HomeAssistant,
zone_ent: str | State | None,
entity: str | State | None,
) -> bool:
"""Test if zone-condition matches.
Async friendly.
"""
if zone_ent is None:
raise ConditionErrorMessage("zone", "no zone specified")
if isinstance(zone_ent, str):
zone_ent_id = zone_ent
if (zone_ent := hass.states.get(zone_ent)) is None:
raise ConditionErrorMessage("zone", f"unknown zone {zone_ent_id}")
if entity is None:
raise ConditionErrorMessage("zone", "no entity specified")
if isinstance(entity, str):
entity_id = entity
if (entity := hass.states.get(entity)) is None:
raise ConditionErrorMessage("zone", f"unknown entity {entity_id}")
else:
entity_id = entity.entity_id
if entity.state in (
STATE_UNAVAILABLE,
STATE_UNKNOWN,
):
return False
latitude = entity.attributes.get(ATTR_LATITUDE)
longitude = entity.attributes.get(ATTR_LONGITUDE)
if latitude is None:
raise ConditionErrorMessage(
"zone", f"entity {entity_id} has no 'latitude' attribute"
)
if longitude is None:
raise ConditionErrorMessage(
"zone", f"entity {entity_id} has no 'longitude' attribute"
)
return in_zone(
zone_ent, latitude, longitude, entity.attributes.get(ATTR_GPS_ACCURACY, 0)
)
class ZoneCondition(Condition):
"""Zone condition."""
def __init__(self, hass: HomeAssistant, config: ConfigType) -> None:
"""Initialize condition."""
self._config = config
@classmethod
async def async_validate_condition_config(
cls, hass: HomeAssistant, config: ConfigType
) -> ConfigType:
"""Validate config."""
return _CONDITION_SCHEMA(config) # type: ignore[no-any-return]
async def async_condition_from_config(self) -> ConditionCheckerType:
"""Wrap action method with zone based condition."""
entity_ids = self._config.get(CONF_ENTITY_ID, [])
zone_entity_ids = self._config.get(CONF_ZONE, [])
@trace_condition_function
def if_in_zone(hass: HomeAssistant, variables: TemplateVarsType = None) -> bool:
"""Test if condition."""
errors = []
all_ok = True
for entity_id in entity_ids:
entity_ok = False
for zone_entity_id in zone_entity_ids:
try:
if zone(hass, zone_entity_id, entity_id):
entity_ok = True
except ConditionErrorMessage as ex:
errors.append(
ConditionErrorMessage(
"zone",
(
f"error matching {entity_id} with {zone_entity_id}:"
f" {ex.message}"
),
)
)
if not entity_ok:
all_ok = False
# Raise the errors only if no definitive result was found
if errors and not all_ok:
raise ConditionErrorContainer("zone", errors=errors)
return all_ok
return if_in_zone
CONDITIONS: dict[str, type[Condition]] = {
"zone": ZoneCondition,
}
async def async_get_conditions(hass: HomeAssistant) -> dict[str, type[Condition]]:
"""Return the sun conditions."""
return CONDITIONS