core/homeassistant/components/daikin.py

139 lines
3.8 KiB
Python

"""
Platform for the Daikin AC.
For more details about this component, please refer to the documentation
https://home-assistant.io/components/daikin/
"""
import logging
from datetime import timedelta
from socket import timeout
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.discovery import SERVICE_DAIKIN
from homeassistant.const import (
CONF_HOSTS, CONF_ICON, CONF_MONITORED_CONDITIONS, CONF_NAME, CONF_TYPE
)
from homeassistant.helpers import discovery
from homeassistant.helpers.discovery import load_platform
from homeassistant.util import Throttle
REQUIREMENTS = ['pydaikin==0.4']
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'daikin'
HTTP_RESOURCES = ['aircon/get_sensor_info', 'aircon/get_control_info']
ATTR_TARGET_TEMPERATURE = 'target_temperature'
ATTR_INSIDE_TEMPERATURE = 'inside_temperature'
ATTR_OUTSIDE_TEMPERATURE = 'outside_temperature'
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
COMPONENT_TYPES = ['climate', 'sensor']
SENSOR_TYPE_TEMPERATURE = 'temperature'
SENSOR_TYPES = {
ATTR_INSIDE_TEMPERATURE: {
CONF_NAME: 'Inside Temperature',
CONF_ICON: 'mdi:thermometer',
CONF_TYPE: SENSOR_TYPE_TEMPERATURE
},
ATTR_OUTSIDE_TEMPERATURE: {
CONF_NAME: 'Outside Temperature',
CONF_ICON: 'mdi:thermometer',
CONF_TYPE: SENSOR_TYPE_TEMPERATURE
}
}
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Optional(
CONF_HOSTS, default=[]
): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(
CONF_MONITORED_CONDITIONS,
default=list(SENSOR_TYPES.keys())
): vol.All(cv.ensure_list, [vol.In(SENSOR_TYPES)])
})
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Establish connection with Daikin."""
def discovery_dispatch(service, discovery_info):
"""Dispatcher for Daikin discovery events."""
host = discovery_info.get('ip')
if daikin_api_setup(hass, host) is None:
return
for component in COMPONENT_TYPES:
load_platform(hass, component, DOMAIN, discovery_info,
config)
discovery.listen(hass, SERVICE_DAIKIN, discovery_dispatch)
for host in config.get(DOMAIN, {}).get(CONF_HOSTS, []):
if daikin_api_setup(hass, host) is None:
continue
discovery_info = {
'ip': host,
CONF_MONITORED_CONDITIONS:
config[DOMAIN][CONF_MONITORED_CONDITIONS]
}
load_platform(hass, 'sensor', DOMAIN, discovery_info, config)
return True
def daikin_api_setup(hass, host, name=None):
"""Create a Daikin instance only once."""
if DOMAIN not in hass.data:
hass.data[DOMAIN] = {}
api = hass.data[DOMAIN].get(host)
if api is None:
from pydaikin import appliance
try:
device = appliance.Appliance(host)
except timeout:
_LOGGER.error("Connection to Daikin could not be established")
return False
if name is None:
name = device.values['name']
api = DaikinApi(device, name)
return api
class DaikinApi(object):
"""Keep the Daikin instance in one place and centralize the update."""
def __init__(self, device, name):
"""Initialize the Daikin Handle."""
self.device = device
self.name = name
self.ip_address = device.ip
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self, **kwargs):
"""Pull the latest data from Daikin."""
try:
for resource in HTTP_RESOURCES:
self.device.values.update(
self.device.get_resource(resource)
)
except timeout:
_LOGGER.warning(
"Connection failed for %s", self.ip_address
)