core/homeassistant/components/template/trigger_entity.py

60 lines
1.9 KiB
Python

"""Trigger entity."""
from __future__ import annotations
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.template import TemplateStateFromEntityId
from homeassistant.helpers.trigger_template_entity import TriggerBaseEntity
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import TriggerUpdateCoordinator
class TriggerEntity( # pylint: disable=hass-enforce-class-module
TriggerBaseEntity, CoordinatorEntity[TriggerUpdateCoordinator]
):
"""Template entity based on trigger data."""
def __init__(
self,
hass: HomeAssistant,
coordinator: TriggerUpdateCoordinator,
config: dict,
) -> None:
"""Initialize the entity."""
CoordinatorEntity.__init__(self, coordinator)
TriggerBaseEntity.__init__(self, hass, config)
async def async_added_to_hass(self) -> None:
"""Handle being added to Home Assistant."""
await super().async_added_to_hass()
if self.coordinator.data is not None:
self._process_data()
def _set_unique_id(self, unique_id: str | None) -> None:
"""Set unique id."""
if unique_id and self.coordinator.unique_id:
self._unique_id = f"{self.coordinator.unique_id}-{unique_id}"
else:
self._unique_id = unique_id
@callback
def _process_data(self) -> None:
"""Process new data."""
run_variables = self.coordinator.data["run_variables"]
variables = {
"this": TemplateStateFromEntityId(self.hass, self.entity_id),
**(run_variables or {}),
}
self._render_templates(variables)
self.async_set_context(self.coordinator.data["context"])
@callback
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator."""
self._process_data()
self.async_write_ha_state()