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core/homeassistant/components/template/__init__.py
Erik Montnemery e009898107 Remove template config entry from source device (#157814)
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
2025-12-03 15:24:48 +01:00

244 lines
8.3 KiB
Python

"""The template component."""
from __future__ import annotations
import asyncio
from collections.abc import Coroutine
from functools import partial
import logging
from typing import Any
from homeassistant import config as conf_util
from homeassistant.components.automation import (
DOMAIN as AUTOMATION_DOMAIN,
NEW_TRIGGERS_CONDITIONS_FEATURE_FLAG,
)
from homeassistant.components.labs import async_listen as async_labs_listen
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_DEVICE_ID,
CONF_NAME,
CONF_TRIGGERS,
CONF_UNIQUE_ID,
SERVICE_RELOAD,
)
from homeassistant.core import Event, HomeAssistant, ServiceCall, callback
from homeassistant.exceptions import ConfigEntryError, HomeAssistantError
from homeassistant.helpers import discovery, issue_registry as ir
from homeassistant.helpers.device import (
async_remove_stale_devices_links_keep_current_device,
)
from homeassistant.helpers.helper_integration import (
async_remove_helper_config_entry_from_source_device,
)
from homeassistant.helpers.reload import async_reload_integration_platforms
from homeassistant.helpers.service import async_register_admin_service
from homeassistant.helpers.typing import ConfigType
from homeassistant.loader import async_get_integration
from homeassistant.util.hass_dict import HassKey
from .const import CONF_MAX, CONF_MIN, CONF_STEP, DOMAIN, PLATFORMS
from .coordinator import TriggerUpdateCoordinator
from .helpers import DATA_DEPRECATION, async_get_blueprints
_LOGGER = logging.getLogger(__name__)
DATA_COORDINATORS: HassKey[list[TriggerUpdateCoordinator]] = HassKey(DOMAIN)
def _clean_up_legacy_template_deprecations(hass: HomeAssistant) -> None:
if (found_issues := hass.data.pop(DATA_DEPRECATION, None)) is not None:
issue_registry = ir.async_get(hass)
for domain, issue_id in set(issue_registry.issues):
if domain != DOMAIN or issue_id in found_issues:
continue
ir.async_delete_issue(hass, DOMAIN, issue_id)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the template integration."""
# Register template as valid domain for Blueprint
blueprints = async_get_blueprints(hass)
# Add some default blueprints to blueprints/template, does nothing
# if blueprints/template already exists but still has to create
# an executor job to check if the folder exists so we run it in a
# separate task to avoid waiting for it to finish setting up
# since a tracked task will be waited at the end of startup
hass.async_create_task(blueprints.async_populate(), eager_start=True)
if DOMAIN in config:
await _process_config(hass, config)
async def _reload_config(call: Event | ServiceCall) -> None:
"""Reload top-level + platforms."""
hass.data.pop(DATA_DEPRECATION, None)
await async_get_blueprints(hass).async_reset_cache()
try:
unprocessed_conf = await conf_util.async_hass_config_yaml(hass)
except HomeAssistantError as err:
_LOGGER.error(err)
return
integration = await async_get_integration(hass, DOMAIN)
conf = await conf_util.async_process_component_and_handle_errors(
hass, unprocessed_conf, integration
)
if conf is None:
return
await async_reload_integration_platforms(hass, DOMAIN, PLATFORMS)
if DOMAIN in conf:
await _process_config(hass, conf)
_clean_up_legacy_template_deprecations(hass)
hass.bus.async_fire(f"event_{DOMAIN}_reloaded", context=call.context)
async_register_admin_service(hass, DOMAIN, SERVICE_RELOAD, _reload_config)
@callback
def new_triggers_conditions_listener() -> None:
"""Handle new_triggers_conditions flag change."""
hass.async_create_task(
_reload_config(ServiceCall(hass, DOMAIN, SERVICE_RELOAD))
)
async_labs_listen(
hass,
AUTOMATION_DOMAIN,
NEW_TRIGGERS_CONDITIONS_FEATURE_FLAG,
new_triggers_conditions_listener,
)
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up a config entry."""
# This can be removed in HA Core 2026.7
async_remove_stale_devices_links_keep_current_device(
hass,
entry.entry_id,
entry.options.get(CONF_DEVICE_ID),
)
for key in (CONF_MAX, CONF_MIN, CONF_STEP):
if key not in entry.options:
continue
if isinstance(entry.options[key], str):
raise ConfigEntryError(
f"The '{entry.options.get(CONF_NAME) or ''}' number template needs to "
f"be reconfigured, {key} must be a number, got '{entry.options[key]}'"
)
await hass.config_entries.async_forward_entry_setups(
entry, (entry.options["template_type"],)
)
entry.async_on_unload(
async_labs_listen(
hass,
AUTOMATION_DOMAIN,
NEW_TRIGGERS_CONDITIONS_FEATURE_FLAG,
partial(hass.config_entries.async_schedule_reload, entry.entry_id),
)
)
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
return await hass.config_entries.async_unload_platforms(
entry, (entry.options["template_type"],)
)
async def async_migrate_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Migrate old entry."""
_LOGGER.debug(
"Migrating configuration from version %s.%s",
config_entry.version,
config_entry.minor_version,
)
if config_entry.version > 1:
# This means the user has downgraded from a future version
return False
if config_entry.version == 1:
if config_entry.minor_version < 2:
# Remove the template config entry from the source device
if source_device_id := config_entry.options.get(CONF_DEVICE_ID):
async_remove_helper_config_entry_from_source_device(
hass,
helper_config_entry_id=config_entry.entry_id,
source_device_id=source_device_id,
)
hass.config_entries.async_update_entry(
config_entry, version=1, minor_version=2
)
_LOGGER.debug(
"Migration to configuration version %s.%s successful",
config_entry.version,
config_entry.minor_version,
)
return True
async def _process_config(hass: HomeAssistant, hass_config: ConfigType) -> None:
"""Process config."""
coordinators = hass.data.pop(DATA_COORDINATORS, None)
# Remove old ones
if coordinators:
for coordinator in coordinators:
coordinator.async_remove()
async def init_coordinator(
hass: HomeAssistant, conf_section: dict[str, Any]
) -> TriggerUpdateCoordinator:
coordinator = TriggerUpdateCoordinator(hass, conf_section)
await coordinator.async_setup(hass_config)
return coordinator
coordinator_tasks: list[Coroutine[Any, Any, TriggerUpdateCoordinator]] = []
for conf_section in hass_config[DOMAIN]:
if CONF_TRIGGERS in conf_section:
coordinator_tasks.append(init_coordinator(hass, conf_section))
continue
for platform_domain in PLATFORMS:
if platform_domain in conf_section:
hass.async_create_task(
discovery.async_load_platform(
hass,
platform_domain,
DOMAIN,
{
"unique_id": conf_section.get(CONF_UNIQUE_ID),
"entities": [
{
**entity_conf,
"raw_blueprint_inputs": conf_section.raw_blueprint_inputs,
"raw_configs": conf_section.raw_config,
}
for entity_conf in conf_section[platform_domain]
],
},
hass_config,
),
eager_start=True,
)
if coordinator_tasks:
hass.data[DATA_COORDINATORS] = await asyncio.gather(*coordinator_tasks)