core/homeassistant/components/ebusd/__init__.py

111 lines
3.5 KiB
Python

"""Support for Ebusd daemon for communication with eBUS heating systems."""
from datetime import timedelta
import logging
import socket
import voluptuous as vol
from homeassistant.const import (
CONF_NAME, CONF_HOST, CONF_PORT, CONF_MONITORED_CONDITIONS)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.discovery import load_platform
from homeassistant.util import Throttle
from .const import (DOMAIN, SENSOR_TYPES)
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = 'ebusd'
DEFAULT_PORT = 8888
CONF_CIRCUIT = 'circuit'
CACHE_TTL = 900
SERVICE_EBUSD_WRITE = 'ebusd_write'
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=15)
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_CIRCUIT): cv.string,
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_MONITORED_CONDITIONS, default=[]): vol.All(
cv.ensure_list, [vol.In(SENSOR_TYPES['700'])])
})
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up the eBusd component."""
conf = config[DOMAIN]
name = conf[CONF_NAME]
circuit = conf[CONF_CIRCUIT]
monitored_conditions = conf.get(CONF_MONITORED_CONDITIONS)
server_address = (
conf.get(CONF_HOST), conf.get(CONF_PORT))
try:
_LOGGER.debug("Ebusd component setup started")
import ebusdpy
ebusdpy.init(server_address)
hass.data[DOMAIN] = EbusdData(server_address, circuit)
sensor_config = {
CONF_MONITORED_CONDITIONS: monitored_conditions,
'client_name': name,
'sensor_types': SENSOR_TYPES[circuit]
}
load_platform(hass, 'sensor', DOMAIN, sensor_config, config)
hass.services.register(
DOMAIN, SERVICE_EBUSD_WRITE, hass.data[DOMAIN].write)
_LOGGER.debug("Ebusd component setup completed")
return True
except (socket.timeout, socket.error):
return False
class EbusdData:
"""Get the latest data from Ebusd."""
def __init__(self, address, circuit):
"""Initialize the data object."""
self._circuit = circuit
self._address = address
self.value = {}
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self, name, stype):
"""Call the Ebusd API to update the data."""
import ebusdpy
try:
_LOGGER.debug("Opening socket to ebusd %s", name)
command_result = ebusdpy.read(
self._address, self._circuit, name, stype, CACHE_TTL)
if command_result is not None:
if 'ERR:' in command_result:
_LOGGER.warning(command_result)
else:
self.value[name] = command_result
except RuntimeError as err:
_LOGGER.error(err)
raise RuntimeError(err)
def write(self, call):
"""Call write methon on ebusd."""
import ebusdpy
name = call.data.get('name')
value = call.data.get('value')
try:
_LOGGER.debug("Opening socket to ebusd %s", name)
command_result = ebusdpy.write(
self._address, self._circuit, name, value)
if command_result is not None:
if 'done' not in command_result:
_LOGGER.warning('Write command failed: %s', name)
except RuntimeError as err:
_LOGGER.error(err)