core/homeassistant/components/aqualogic.py

96 lines
2.7 KiB
Python

"""
Support for AquaLogic component.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/aqualogic/
"""
from datetime import timedelta
import logging
import time
import threading
import voluptuous as vol
from homeassistant.const import (CONF_HOST, CONF_PORT,
EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP)
from homeassistant.helpers import config_validation as cv
REQUIREMENTS = ["aqualogic==1.0"]
_LOGGER = logging.getLogger(__name__)
DOMAIN = "aqualogic"
UPDATE_TOPIC = DOMAIN + "_update"
CONF_UNIT = "unit"
RECONNECT_INTERVAL = timedelta(seconds=10)
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PORT): cv.port
}),
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up AquaLogic platform."""
host = config[DOMAIN][CONF_HOST]
port = config[DOMAIN][CONF_PORT]
processor = AquaLogicProcessor(hass, host, port)
hass.data[DOMAIN] = processor
hass.bus.listen_once(EVENT_HOMEASSISTANT_START,
processor.start_listen)
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
processor.shutdown)
_LOGGER.debug("AquaLogicProcessor %s:%i initialized", host, port)
return True
class AquaLogicProcessor(threading.Thread):
"""AquaLogic event processor thread."""
def __init__(self, hass, host, port):
"""Initialize the data object."""
super().__init__(daemon=True)
self._hass = hass
self._host = host
self._port = port
self._shutdown = False
self._panel = None
def start_listen(self, event):
"""Start event-processing thread."""
_LOGGER.debug("Event processing thread started")
self.start()
def shutdown(self, event):
"""Signal shutdown of processing event."""
_LOGGER.debug("Event processing signaled exit")
self._shutdown = True
def data_changed(self, panel):
"""Aqualogic data changed callback."""
self._hass.helpers.dispatcher.dispatcher_send(UPDATE_TOPIC)
def run(self):
"""Event thread."""
from aqualogic.core import AquaLogic
while True:
self._panel = AquaLogic()
self._panel.connect(self._host, self._port)
self._panel.process(self.data_changed)
if self._shutdown:
return
_LOGGER.error("Connection to %s:%d lost",
self._host, self._port)
time.sleep(RECONNECT_INTERVAL.seconds)
@property
def panel(self):
"""Retrieve the AquaLogic object."""
return self._panel