core/homeassistant/components/deconz/__init__.py

273 lines
9.0 KiB
Python

"""
Support for deCONZ devices.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/deconz/
"""
import logging
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.components.discovery import SERVICE_DECONZ
from homeassistant.const import (
CONF_API_KEY, CONF_HOST, CONF_PORT, EVENT_HOMEASSISTANT_STOP)
from homeassistant.core import callback
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers import discovery, aiohttp_client
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.util.json import load_json, save_json
REQUIREMENTS = ['pydeconz==35']
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'deconz'
DATA_DECONZ_ID = 'deconz_entities'
CONFIG_FILE = 'deconz.conf'
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Optional(CONF_API_KEY): cv.string,
vol.Optional(CONF_HOST): cv.string,
vol.Optional(CONF_PORT, default=80): cv.port,
})
}, extra=vol.ALLOW_EXTRA)
SERVICE_FIELD = 'field'
SERVICE_ENTITY = 'entity'
SERVICE_DATA = 'data'
SERVICE_SCHEMA = vol.Schema({
vol.Exclusive(SERVICE_FIELD, 'deconz_id'): cv.string,
vol.Exclusive(SERVICE_ENTITY, 'deconz_id'): cv.entity_id,
vol.Required(SERVICE_DATA): dict,
})
CONFIG_INSTRUCTIONS = """
Unlock your deCONZ gateway to register with Home Assistant.
1. [Go to deCONZ system settings](http://{}:{}/edit_system.html)
2. Press "Unlock Gateway" button
[deCONZ platform documentation](https://home-assistant.io/components/deconz/)
"""
async def async_setup(hass, config):
"""Set up services and configuration for deCONZ component."""
result = False
config_file = await hass.async_add_job(
load_json, hass.config.path(CONFIG_FILE))
async def async_deconz_discovered(service, discovery_info):
"""Call when deCONZ gateway has been found."""
deconz_config = {}
deconz_config[CONF_HOST] = discovery_info.get(CONF_HOST)
deconz_config[CONF_PORT] = discovery_info.get(CONF_PORT)
await async_request_configuration(hass, config, deconz_config)
if config_file:
result = await async_setup_deconz(hass, config, config_file)
if not result and DOMAIN in config and CONF_HOST in config[DOMAIN]:
deconz_config = config[DOMAIN]
if CONF_API_KEY in deconz_config:
result = await async_setup_deconz(hass, config, deconz_config)
else:
await async_request_configuration(hass, config, deconz_config)
return True
if not result:
discovery.async_listen(hass, SERVICE_DECONZ, async_deconz_discovered)
return True
async def async_setup_deconz(hass, config, deconz_config):
"""Set up a deCONZ session.
Load config, group, light and sensor data for server information.
Start websocket for push notification of state changes from deCONZ.
"""
_LOGGER.debug("deCONZ config %s", deconz_config)
from pydeconz import DeconzSession
websession = async_get_clientsession(hass)
deconz = DeconzSession(hass.loop, websession, **deconz_config)
result = await deconz.async_load_parameters()
if result is False:
_LOGGER.error("Failed to communicate with deCONZ")
return False
hass.data[DOMAIN] = deconz
hass.data[DATA_DECONZ_ID] = {}
for component in ['binary_sensor', 'light', 'scene', 'sensor']:
hass.async_add_job(discovery.async_load_platform(
hass, component, DOMAIN, {}, config))
deconz.start()
async def async_configure(call):
"""Set attribute of device in deCONZ.
Field is a string representing a specific device in deCONZ
e.g. field='/lights/1/state'.
Entity_id can be used to retrieve the proper field.
Data is a json object with what data you want to alter
e.g. data={'on': true}.
{
"field": "/lights/1/state",
"data": {"on": true}
}
See Dresden Elektroniks REST API documentation for details:
http://dresden-elektronik.github.io/deconz-rest-doc/rest/
"""
field = call.data.get(SERVICE_FIELD)
entity_id = call.data.get(SERVICE_ENTITY)
data = call.data.get(SERVICE_DATA)
deconz = hass.data[DOMAIN]
if entity_id:
entities = hass.data.get(DATA_DECONZ_ID)
if entities:
field = entities.get(entity_id)
if field is None:
_LOGGER.error('Could not find the entity %s', entity_id)
return
await deconz.async_put_state(field, data)
hass.services.async_register(
DOMAIN, 'configure', async_configure, schema=SERVICE_SCHEMA)
@callback
def deconz_shutdown(event):
"""
Wrap the call to deconz.close.
Used as an argument to EventBus.async_listen_once - EventBus calls
this method with the event as the first argument, which should not
be passed on to deconz.close.
"""
deconz.close()
hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, deconz_shutdown)
return True
async def async_request_configuration(hass, config, deconz_config):
"""Request configuration steps from the user."""
configurator = hass.components.configurator
async def async_configuration_callback(data):
"""Set up actions to do when our configuration callback is called."""
from pydeconz.utils import async_get_api_key
websession = async_get_clientsession(hass)
api_key = await async_get_api_key(websession, **deconz_config)
if api_key:
deconz_config[CONF_API_KEY] = api_key
result = await async_setup_deconz(hass, config, deconz_config)
if result:
await hass.async_add_job(
save_json, hass.config.path(CONFIG_FILE), deconz_config)
configurator.async_request_done(request_id)
return
else:
configurator.async_notify_errors(
request_id, "Couldn't load configuration.")
else:
configurator.async_notify_errors(
request_id, "Couldn't get an API key.")
return
instructions = CONFIG_INSTRUCTIONS.format(
deconz_config[CONF_HOST], deconz_config[CONF_PORT])
request_id = configurator.async_request_config(
"deCONZ", async_configuration_callback,
description=instructions,
entity_picture="/static/images/logo_deconz.jpeg",
submit_caption="I have unlocked the gateway",
)
@config_entries.HANDLERS.register(DOMAIN)
class DeconzFlowHandler(config_entries.ConfigFlowHandler):
"""Handle a deCONZ config flow."""
VERSION = 1
def __init__(self):
"""Initialize the deCONZ flow."""
self.bridges = []
self.deconz_config = {}
async def async_step_init(self, user_input=None):
"""Handle a flow start."""
from pydeconz.utils import async_discovery
if DOMAIN in self.hass.data:
return self.async_abort(
reason='one_instance_only'
)
if user_input is not None:
for bridge in self.bridges:
if bridge[CONF_HOST] == user_input[CONF_HOST]:
self.deconz_config = bridge
return await self.async_step_link()
session = aiohttp_client.async_get_clientsession(self.hass)
self.bridges = await async_discovery(session)
if len(self.bridges) == 1:
self.deconz_config = self.bridges[0]
return await self.async_step_link()
elif len(self.bridges) > 1:
hosts = []
for bridge in self.bridges:
hosts.append(bridge[CONF_HOST])
return self.async_show_form(
step_id='init',
data_schema=vol.Schema({
vol.Required(CONF_HOST): vol.In(hosts)
})
)
return self.async_abort(
reason='no_bridges'
)
async def async_step_link(self, user_input=None):
"""Attempt to link with the deCONZ bridge."""
from pydeconz.utils import async_get_api_key
errors = {}
if user_input is not None:
session = aiohttp_client.async_get_clientsession(self.hass)
api_key = await async_get_api_key(session, **self.deconz_config)
if api_key:
self.deconz_config[CONF_API_KEY] = api_key
return self.async_create_entry(
title='deCONZ',
data=self.deconz_config
)
else:
errors['base'] = 'no_key'
return self.async_show_form(
step_id='link',
errors=errors,
)
async def async_setup_entry(hass, entry):
"""Set up a bridge for a config entry."""
if DOMAIN in hass.data:
_LOGGER.error(
"Config entry failed since one deCONZ instance already exists")
return False
result = await async_setup_deconz(hass, None, entry.data)
if result:
return True
return False