core/homeassistant/components/lovelace/__init__.py

293 lines
9.6 KiB
Python

"""Support for the Lovelace UI."""
import logging
import voluptuous as vol
from homeassistant.components import frontend, onboarding, websocket_api
from homeassistant.config import (
async_hass_config_yaml,
async_process_component_and_handle_errors,
)
from homeassistant.const import CONF_FILENAME, CONF_MODE, CONF_RESOURCES
from homeassistant.core import HomeAssistant, ServiceCall, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import collection, config_validation as cv
from homeassistant.helpers.service import async_register_admin_service
from homeassistant.helpers.translation import async_get_translations
from homeassistant.helpers.typing import ConfigType
from homeassistant.loader import async_get_integration
from . import dashboard, resources, websocket
from .const import ( # noqa: F401
CONF_ALLOW_SINGLE_WORD,
CONF_ICON,
CONF_REQUIRE_ADMIN,
CONF_SHOW_IN_SIDEBAR,
CONF_TITLE,
CONF_URL_PATH,
DASHBOARD_BASE_CREATE_FIELDS,
DEFAULT_ICON,
DOMAIN,
EVENT_LOVELACE_UPDATED,
MODE_STORAGE,
MODE_YAML,
RESOURCE_CREATE_FIELDS,
RESOURCE_RELOAD_SERVICE_SCHEMA,
RESOURCE_SCHEMA,
RESOURCE_UPDATE_FIELDS,
SERVICE_RELOAD_RESOURCES,
STORAGE_DASHBOARD_CREATE_FIELDS,
STORAGE_DASHBOARD_UPDATE_FIELDS,
url_slug,
)
from .system_health import system_health_info # noqa: F401
_LOGGER = logging.getLogger(__name__)
CONF_DASHBOARDS = "dashboards"
YAML_DASHBOARD_SCHEMA = vol.Schema(
{
**DASHBOARD_BASE_CREATE_FIELDS,
vol.Required(CONF_MODE): MODE_YAML,
vol.Required(CONF_FILENAME): cv.path,
}
)
CONFIG_SCHEMA = vol.Schema(
{
vol.Optional(DOMAIN, default={}): vol.Schema(
{
vol.Optional(CONF_MODE, default=MODE_STORAGE): vol.All(
vol.Lower, vol.In([MODE_YAML, MODE_STORAGE])
),
vol.Optional(CONF_DASHBOARDS): cv.schema_with_slug_keys(
YAML_DASHBOARD_SCHEMA,
slug_validator=url_slug,
),
vol.Optional(CONF_RESOURCES): [RESOURCE_SCHEMA],
}
)
},
extra=vol.ALLOW_EXTRA,
)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the Lovelace commands."""
mode = config[DOMAIN][CONF_MODE]
yaml_resources = config[DOMAIN].get(CONF_RESOURCES)
frontend.async_register_built_in_panel(hass, DOMAIN, config={"mode": mode})
async def reload_resources_service_handler(service_call: ServiceCall) -> None:
"""Reload yaml resources."""
try:
conf = await async_hass_config_yaml(hass)
except HomeAssistantError as err:
_LOGGER.error(err)
return
integration = await async_get_integration(hass, DOMAIN)
config = await async_process_component_and_handle_errors(
hass, conf, integration
)
if config is None:
raise HomeAssistantError("Config validation failed")
resource_collection = await create_yaml_resource_col(
hass, config[DOMAIN].get(CONF_RESOURCES)
)
hass.data[DOMAIN]["resources"] = resource_collection
default_config: dashboard.LovelaceConfig
if mode == MODE_YAML:
default_config = dashboard.LovelaceYAML(hass, None, None)
resource_collection = await create_yaml_resource_col(hass, yaml_resources)
async_register_admin_service(
hass,
DOMAIN,
SERVICE_RELOAD_RESOURCES,
reload_resources_service_handler,
schema=RESOURCE_RELOAD_SERVICE_SCHEMA,
)
# Register lovelace/resources for backwards compatibility, remove in
# Home Assistant Core 2025.1
for command in ("lovelace/resources", "lovelace/resources/list"):
websocket_api.async_register_command(
hass,
command,
websocket.websocket_lovelace_resources,
websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend(
{"type": command},
),
)
else:
default_config = dashboard.LovelaceStorage(hass, None)
if yaml_resources is not None:
_LOGGER.warning(
"Lovelace is running in storage mode. Define resources via user"
" interface"
)
resource_collection = resources.ResourceStorageCollection(hass, default_config)
resources.ResourceStorageCollectionWebsocket(
resource_collection,
"lovelace/resources",
"resource",
RESOURCE_CREATE_FIELDS,
RESOURCE_UPDATE_FIELDS,
).async_setup(hass)
websocket_api.async_register_command(hass, websocket.websocket_lovelace_config)
websocket_api.async_register_command(hass, websocket.websocket_lovelace_save_config)
websocket_api.async_register_command(
hass, websocket.websocket_lovelace_delete_config
)
hass.data[DOMAIN] = {
# We store a dictionary mapping url_path: config. None is the default.
"mode": mode,
"dashboards": {None: default_config},
"resources": resource_collection,
"yaml_dashboards": config[DOMAIN].get(CONF_DASHBOARDS, {}),
}
if hass.config.recovery_mode:
return True
async def storage_dashboard_changed(change_type, item_id, item):
"""Handle a storage dashboard change."""
url_path = item[CONF_URL_PATH]
if change_type == collection.CHANGE_REMOVED:
frontend.async_remove_panel(hass, url_path)
await hass.data[DOMAIN]["dashboards"].pop(url_path).async_delete()
return
if change_type == collection.CHANGE_ADDED:
existing = hass.data[DOMAIN]["dashboards"].get(url_path)
if existing:
_LOGGER.warning(
"Cannot register panel at %s, it is already defined in %s",
url_path,
existing,
)
return
hass.data[DOMAIN]["dashboards"][url_path] = dashboard.LovelaceStorage(
hass, item
)
update = False
else:
hass.data[DOMAIN]["dashboards"][url_path].config = item
update = True
try:
_register_panel(hass, url_path, MODE_STORAGE, item, update)
except ValueError:
_LOGGER.warning("Failed to %s panel %s from storage", change_type, url_path)
# Process YAML dashboards
for url_path, dashboard_conf in hass.data[DOMAIN]["yaml_dashboards"].items():
# For now always mode=yaml
lovelace_config = dashboard.LovelaceYAML(hass, url_path, dashboard_conf)
hass.data[DOMAIN]["dashboards"][url_path] = lovelace_config
try:
_register_panel(hass, url_path, MODE_YAML, dashboard_conf, False)
except ValueError:
_LOGGER.warning("Panel url path %s is not unique", url_path)
# Process storage dashboards
dashboards_collection = dashboard.DashboardsCollection(hass)
# This can be removed when the map integration is removed
hass.data[DOMAIN]["dashboards_collection"] = dashboards_collection
dashboards_collection.async_add_listener(storage_dashboard_changed)
await dashboards_collection.async_load()
dashboard.DashboardsCollectionWebSocket(
dashboards_collection,
"lovelace/dashboards",
"dashboard",
STORAGE_DASHBOARD_CREATE_FIELDS,
STORAGE_DASHBOARD_UPDATE_FIELDS,
).async_setup(hass)
def create_map_dashboard():
hass.async_create_task(_create_map_dashboard(hass))
if not onboarding.async_is_onboarded(hass):
onboarding.async_add_listener(hass, create_map_dashboard)
return True
async def create_yaml_resource_col(hass, yaml_resources):
"""Create yaml resources collection."""
if yaml_resources is None:
default_config = dashboard.LovelaceYAML(hass, None, None)
try:
ll_conf = await default_config.async_load(False)
except HomeAssistantError:
pass
else:
if CONF_RESOURCES in ll_conf:
_LOGGER.warning(
"Resources need to be specified in your configuration.yaml. Please"
" see the docs"
)
yaml_resources = ll_conf[CONF_RESOURCES]
return resources.ResourceYAMLCollection(yaml_resources or [])
@callback
def _register_panel(hass, url_path, mode, config, update):
"""Register a panel."""
kwargs = {
"frontend_url_path": url_path,
"require_admin": config[CONF_REQUIRE_ADMIN],
"config": {"mode": mode},
"update": update,
}
if config[CONF_SHOW_IN_SIDEBAR]:
kwargs["sidebar_title"] = config[CONF_TITLE]
kwargs["sidebar_icon"] = config.get(CONF_ICON, DEFAULT_ICON)
frontend.async_register_built_in_panel(hass, DOMAIN, **kwargs)
async def _create_map_dashboard(hass: HomeAssistant):
translations = await async_get_translations(
hass, hass.config.language, "dashboard", {onboarding.DOMAIN}
)
title = translations["component.onboarding.dashboard.map.title"]
dashboards_collection: dashboard.DashboardsCollection = hass.data[DOMAIN][
"dashboards_collection"
]
await dashboards_collection.async_create_item(
{
CONF_ALLOW_SINGLE_WORD: True,
CONF_ICON: "mdi:map",
CONF_TITLE: title,
CONF_URL_PATH: "map",
}
)
map_store: dashboard.LovelaceStorage = hass.data[DOMAIN]["dashboards"]["map"]
await map_store.async_save({"strategy": {"type": "map"}})