core/homeassistant/components/config/entity_registry.py

160 lines
4.8 KiB
Python

"""HTTP views to interact with the entity registry."""
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.helpers.entity_registry import async_get_registry
from homeassistant.components import websocket_api
from homeassistant.components.websocket_api.const import ERR_NOT_FOUND
from homeassistant.components.websocket_api.decorators import (
async_response, require_admin)
from homeassistant.helpers import config_validation as cv
WS_TYPE_LIST = 'config/entity_registry/list'
SCHEMA_WS_LIST = websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend({
vol.Required('type'): WS_TYPE_LIST,
})
WS_TYPE_GET = 'config/entity_registry/get'
SCHEMA_WS_GET = websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend({
vol.Required('type'): WS_TYPE_GET,
vol.Required('entity_id'): cv.entity_id
})
WS_TYPE_UPDATE = 'config/entity_registry/update'
SCHEMA_WS_UPDATE = websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend({
vol.Required('type'): WS_TYPE_UPDATE,
vol.Required('entity_id'): cv.entity_id,
# If passed in, we update value. Passing None will remove old value.
vol.Optional('name'): vol.Any(str, None),
vol.Optional('new_entity_id'): str,
})
WS_TYPE_REMOVE = 'config/entity_registry/remove'
SCHEMA_WS_REMOVE = websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend({
vol.Required('type'): WS_TYPE_REMOVE,
vol.Required('entity_id'): cv.entity_id
})
async def async_setup(hass):
"""Enable the Entity Registry views."""
hass.components.websocket_api.async_register_command(
WS_TYPE_LIST, websocket_list_entities,
SCHEMA_WS_LIST
)
hass.components.websocket_api.async_register_command(
WS_TYPE_GET, websocket_get_entity,
SCHEMA_WS_GET
)
hass.components.websocket_api.async_register_command(
WS_TYPE_UPDATE, websocket_update_entity,
SCHEMA_WS_UPDATE
)
hass.components.websocket_api.async_register_command(
WS_TYPE_REMOVE, websocket_remove_entity,
SCHEMA_WS_REMOVE
)
return True
@async_response
async def websocket_list_entities(hass, connection, msg):
"""Handle list registry entries command.
Async friendly.
"""
registry = await async_get_registry(hass)
connection.send_message(websocket_api.result_message(
msg['id'], [_entry_dict(entry) for entry in registry.entities.values()]
))
@async_response
async def websocket_get_entity(hass, connection, msg):
"""Handle get entity registry entry command.
Async friendly.
"""
registry = await async_get_registry(hass)
entry = registry.entities.get(msg['entity_id'])
if entry is None:
connection.send_message(websocket_api.error_message(
msg['id'], ERR_NOT_FOUND, 'Entity not found'))
return
connection.send_message(websocket_api.result_message(
msg['id'], _entry_dict(entry)
))
@require_admin
@async_response
async def websocket_update_entity(hass, connection, msg):
"""Handle update entity websocket command.
Async friendly.
"""
registry = await async_get_registry(hass)
if msg['entity_id'] not in registry.entities:
connection.send_message(websocket_api.error_message(
msg['id'], ERR_NOT_FOUND, 'Entity not found'))
return
changes = {}
if 'name' in msg:
changes['name'] = msg['name']
if 'new_entity_id' in msg and msg['new_entity_id'] != msg['entity_id']:
changes['new_entity_id'] = msg['new_entity_id']
if hass.states.get(msg['new_entity_id']) is not None:
connection.send_message(websocket_api.error_message(
msg['id'], 'invalid_info', 'Entity is already registered'))
return
try:
if changes:
entry = registry.async_update_entity(
msg['entity_id'], **changes)
except ValueError as err:
connection.send_message(websocket_api.error_message(
msg['id'], 'invalid_info', str(err)
))
else:
connection.send_message(websocket_api.result_message(
msg['id'], _entry_dict(entry)
))
@require_admin
@async_response
async def websocket_remove_entity(hass, connection, msg):
"""Handle remove entity websocket command.
Async friendly.
"""
registry = await async_get_registry(hass)
if msg['entity_id'] not in registry.entities:
connection.send_message(websocket_api.error_message(
msg['id'], ERR_NOT_FOUND, 'Entity not found'))
return
registry.async_remove(msg['entity_id'])
connection.send_message(websocket_api.result_message(msg['id']))
@callback
def _entry_dict(entry):
"""Convert entry to API format."""
return {
'config_entry_id': entry.config_entry_id,
'device_id': entry.device_id,
'disabled_by': entry.disabled_by,
'entity_id': entry.entity_id,
'name': entry.name,
'platform': entry.platform,
}