core/homeassistant/components/derivative/__init__.py

109 lines
3.7 KiB
Python

"""The Derivative integration."""
from __future__ import annotations
import logging
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_SOURCE, Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device import (
async_entity_id_to_device_id,
async_remove_stale_devices_links_keep_entity_device,
)
from homeassistant.helpers.helper_integration import (
async_handle_source_entity_changes,
async_remove_helper_config_entry_from_source_device,
)
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Derivative from a config entry."""
# This can be removed in HA Core 2026.2
async_remove_stale_devices_links_keep_entity_device(
hass, entry.entry_id, entry.options[CONF_SOURCE]
)
def set_source_entity_id_or_uuid(source_entity_id: str) -> None:
hass.config_entries.async_update_entry(
entry,
options={**entry.options, CONF_SOURCE: source_entity_id},
)
entry.async_on_unload(
async_handle_source_entity_changes(
hass,
add_helper_config_entry_to_device=False,
helper_config_entry_id=entry.entry_id,
set_source_entity_id_or_uuid=set_source_entity_id_or_uuid,
source_device_id=async_entity_id_to_device_id(
hass, entry.options[CONF_SOURCE]
),
source_entity_id_or_uuid=entry.options[CONF_SOURCE],
)
)
await hass.config_entries.async_forward_entry_setups(entry, (Platform.SENSOR,))
entry.async_on_unload(entry.add_update_listener(config_entry_update_listener))
return True
async def config_entry_update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Update listener, called when the config entry options are changed."""
await hass.config_entries.async_reload(entry.entry_id)
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
return await hass.config_entries.async_unload_platforms(entry, (Platform.SENSOR,))
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:
new_options = {**config_entry.options}
if new_options.get("unit_prefix") == "none":
# Before we had support for optional selectors, "none" was used for selecting nothing
del new_options["unit_prefix"]
hass.config_entries.async_update_entry(
config_entry, options=new_options, version=1, minor_version=2
)
if config_entry.minor_version < 3:
# Remove the derivative config entry from the source device
if source_device_id := async_entity_id_to_device_id(
hass, config_entry.options[CONF_SOURCE]
):
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=3
)
_LOGGER.debug(
"Migration to configuration version %s.%s successful",
config_entry.version,
config_entry.minor_version,
)
return True