core/homeassistant/components/climate/ephember.py

155 lines
4.3 KiB
Python

"""
Support for the EPH Controls Ember themostats.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/climate.ephember/
"""
import logging
from datetime import timedelta
import voluptuous as vol
from homeassistant.components.climate import (
ClimateDevice, PLATFORM_SCHEMA, STATE_HEAT, STATE_IDLE, SUPPORT_AUX_HEAT,
SUPPORT_TARGET_TEMPERATURE)
from homeassistant.const import (
TEMP_CELSIUS, CONF_USERNAME, CONF_PASSWORD, ATTR_TEMPERATURE)
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['pyephember==0.1.1']
_LOGGER = logging.getLogger(__name__)
# Return cached results if last scan was less then this time ago
SCAN_INTERVAL = timedelta(seconds=120)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_USERNAME): cv.string,
vol.Required(CONF_PASSWORD): cv.string
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the ephember thermostat."""
from pyephember.pyephember import EphEmber
username = config.get(CONF_USERNAME)
password = config.get(CONF_PASSWORD)
try:
ember = EphEmber(username, password)
zones = ember.get_zones()
for zone in zones:
add_devices([EphEmberThermostat(ember, zone)])
except RuntimeError:
_LOGGER.error("Cannot connect to EphEmber")
return
return
class EphEmberThermostat(ClimateDevice):
"""Representation of a HeatmiserV3 thermostat."""
def __init__(self, ember, zone):
"""Initialize the thermostat."""
self._ember = ember
self._zone_name = zone['name']
self._zone = zone
self._hot_water = zone['isHotWater']
@property
def supported_features(self):
"""Return the list of supported features."""
if self._hot_water:
return SUPPORT_AUX_HEAT
return SUPPORT_TARGET_TEMPERATURE | SUPPORT_AUX_HEAT
@property
def name(self):
"""Return the name of the thermostat, if any."""
return self._zone_name
@property
def temperature_unit(self):
"""Return the unit of measurement which this thermostat uses."""
return TEMP_CELSIUS
@property
def current_temperature(self):
"""Return the current temperature."""
return self._zone['currentTemperature']
@property
def target_temperature(self):
"""Return the temperature we try to reach."""
return self._zone['targetTemperature']
@property
def target_temperature_step(self):
"""Return the supported step of target temperature."""
if self._hot_water:
return None
return 1
@property
def current_operation(self):
"""Return current operation ie. heat, cool, idle."""
if self._zone['isCurrentlyActive']:
return STATE_HEAT
return STATE_IDLE
@property
def is_aux_heat_on(self):
"""Return true if aux heater."""
return self._zone['isBoostActive']
def turn_aux_heat_on(self):
"""Turn auxiliary heater on."""
self._ember.activate_boost_by_name(
self._zone_name, self._zone['targetTemperature'])
def turn_aux_heat_off(self):
"""Turn auxiliary heater off."""
self._ember.deactivate_boost_by_name(self._zone_name)
def set_temperature(self, **kwargs):
"""Set new target temperature."""
temperature = kwargs.get(ATTR_TEMPERATURE)
if temperature is None:
return
if self._hot_water:
return
if temperature == self.target_temperature:
return
if temperature > self.max_temp or temperature < self.min_temp:
return
self._ember.set_target_temperture_by_name(self._zone_name,
int(temperature))
@property
def min_temp(self):
"""Return the minimum temperature."""
# Hot water temp doesn't support being changed
if self._hot_water:
return self._zone['targetTemperature']
return 5
@property
def max_temp(self):
"""Return the maximum temperature."""
if self._hot_water:
return self._zone['targetTemperature']
return 35
def update(self):
"""Get the latest data."""
self._zone = self._ember.get_zone(self._zone_name)