core/homeassistant/components/maxcube.py

84 lines
2.2 KiB
Python

"""
Platform for the MAX! Cube LAN Gateway.
For more details about this component, please refer to the documentation
https://home-assistant.io/components/maxcube/
"""
import logging
import time
from socket import timeout
from threading import Lock
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.discovery import load_platform
from homeassistant.const import CONF_HOST, CONF_PORT
REQUIREMENTS = ['maxcube-api==0.1.0']
_LOGGER = logging.getLogger(__name__)
DEFAULT_PORT = 62910
DOMAIN = 'maxcube'
MAXCUBE_HANDLE = 'maxcube'
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
}),
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Establish connection to MAX! Cube."""
from maxcube.connection import MaxCubeConnection
from maxcube.cube import MaxCube
host = config.get(DOMAIN).get(CONF_HOST)
port = config.get(DOMAIN).get(CONF_PORT)
try:
cube = MaxCube(MaxCubeConnection(host, port))
except timeout:
_LOGGER.error("Connection to Max!Cube could not be established")
cube = None
return False
hass.data[MAXCUBE_HANDLE] = MaxCubeHandle(cube)
load_platform(hass, 'climate', DOMAIN)
load_platform(hass, 'binary_sensor', DOMAIN)
return True
class MaxCubeHandle(object):
"""Keep the cube instance in one place and centralize the update."""
def __init__(self, cube):
"""Initialize the Cube Handle."""
self.cube = cube
self.mutex = Lock()
self._updatets = time.time()
def update(self):
"""Pull the latest data from the MAX! Cube."""
# Acquire mutex to prevent simultaneous update from multiple threads
with self.mutex:
# Only update every 60s
if (time.time() - self._updatets) >= 60:
_LOGGER.debug("Updating")
try:
self.cube.update()
except timeout:
_LOGGER.error("Max!Cube connection failed")
return False
self._updatets = time.time()
else:
_LOGGER.debug("Skipping update")