""" Support for WeMo switches. For more details about this component, please refer to the documentation at https://home-assistant.io/components/switch.wemo/ """ import logging from datetime import datetime, timedelta from homeassistant.components.switch import SwitchDevice from homeassistant.util import convert from homeassistant.const import ( STATE_OFF, STATE_ON, STATE_STANDBY, STATE_UNKNOWN) from homeassistant.loader import get_component DEPENDENCIES = ['wemo'] _LOGGER = logging.getLogger(__name__) ATTR_SENSOR_STATE = 'sensor_state' ATTR_SWITCH_MODE = 'switch_mode' ATTR_CURRENT_STATE_DETAIL = 'state_detail' ATTR_COFFEMAKER_MODE = 'coffeemaker_mode' MAKER_SWITCH_MOMENTARY = 'momentary' MAKER_SWITCH_TOGGLE = 'toggle' WEMO_ON = 1 WEMO_OFF = 0 WEMO_STANDBY = 8 # pylint: disable=unused-argument, too-many-function-args def setup_platform(hass, config, add_devices_callback, discovery_info=None): """Set up discovered WeMo switches.""" import pywemo.discovery as discovery if discovery_info is not None: location = discovery_info['ssdp_description'] mac = discovery_info['mac_address'] device = discovery.device_from_description(location, mac) if device: add_devices_callback([WemoSwitch(device)]) class WemoSwitch(SwitchDevice): """Representation of a WeMo switch.""" def __init__(self, device): """Initialize the WeMo switch.""" self.wemo = device self.insight_params = None self.maker_params = None self.coffeemaker_mode = None self._state = None # look up model name once as it incurs network traffic self._model_name = self.wemo.model_name wemo = get_component('wemo') wemo.SUBSCRIPTION_REGISTRY.register(self.wemo) wemo.SUBSCRIPTION_REGISTRY.on(self.wemo, None, self._update_callback) def _update_callback(self, _device, _type, _params): """Update the state by the Wemo device.""" _LOGGER.info("Subscription update for %s", _device) updated = self.wemo.subscription_update(_type, _params) self._update(force_update=(not updated)) if not hasattr(self, 'hass'): return self.schedule_update_ha_state() @property def should_poll(self): """No polling needed with subscriptions.""" if self._model_name == 'Insight': return True return False @property def unique_id(self): """Return the ID of this WeMo switch.""" return self.wemo.serialnumber @property def name(self): """Return the name of the switch if any.""" return self.wemo.name @property def device_state_attributes(self): """Return the state attributes of the device.""" attr = {} if self.maker_params: # Is the maker sensor on or off. if self.maker_params['hassensor']: # Note a state of 1 matches the WeMo app 'not triggered'! if self.maker_params['sensorstate']: attr[ATTR_SENSOR_STATE] = STATE_OFF else: attr[ATTR_SENSOR_STATE] = STATE_ON # Is the maker switch configured as toggle(0) or momentary (1). if self.maker_params['switchmode']: attr[ATTR_SWITCH_MODE] = MAKER_SWITCH_MOMENTARY else: attr[ATTR_SWITCH_MODE] = MAKER_SWITCH_TOGGLE if self.insight_params or (self.coffeemaker_mode is not None): attr[ATTR_CURRENT_STATE_DETAIL] = self.detail_state if self.insight_params: attr['on_latest_time'] = \ WemoSwitch.as_uptime(self.insight_params['onfor']) attr['on_today_time'] = \ WemoSwitch.as_uptime(self.insight_params['ontoday']) attr['on_total_time'] = \ WemoSwitch.as_uptime(self.insight_params['ontotal']) attr['power_threshold_w'] = \ convert( self.insight_params['powerthreshold'], float, 0.0 ) / 1000.0 if self.coffeemaker_mode is not None: attr[ATTR_COFFEMAKER_MODE] = self.coffeemaker_mode return attr @staticmethod def as_uptime(_seconds): """Format seconds into uptime string in the format: 00d 00h 00m 00s.""" uptime = datetime(1, 1, 1) + timedelta(seconds=_seconds) return "{:0>2d}d {:0>2d}h {:0>2d}m {:0>2d}s".format( uptime.day-1, uptime.hour, uptime.minute, uptime.second) @property def current_power_w(self): """Return the current power usage in W.""" if self.insight_params: return convert( self.insight_params['currentpower'], float, 0.0 ) / 1000.0 @property def today_energy_kwh(self): """Return the today total energy usage in kWh.""" if self.insight_params: miliwatts = convert(self.insight_params['todaymw'], float, 0.0) return round(miliwatts / (1000.0 * 1000.0 * 60), 2) @property def detail_state(self): """Return the state of the device.""" if self.coffeemaker_mode is not None: return self.wemo.mode_string if self.insight_params: standby_state = int(self.insight_params['state']) if standby_state == WEMO_ON: return STATE_ON elif standby_state == WEMO_OFF: return STATE_OFF elif standby_state == WEMO_STANDBY: return STATE_STANDBY return STATE_UNKNOWN @property def is_on(self): """Return true if switch is on. Standby is on.""" return self._state @property def available(self): """Return true if switch is available.""" if self._model_name == 'Insight' and self.insight_params is None: return False if self._model_name == 'Maker' and self.maker_params is None: return False if self._model_name == 'CoffeeMaker' and self.coffeemaker_mode is None: return False return True @property def icon(self): """Return the icon of device based on its type.""" if self._model_name == 'CoffeeMaker': return 'mdi:coffee' return None def turn_on(self, **kwargs): """Turn the switch on.""" self._state = WEMO_ON self.wemo.on() self.schedule_update_ha_state() def turn_off(self, **kwargs): """Turn the switch off.""" self._state = WEMO_OFF self.wemo.off() self.schedule_update_ha_state() def update(self): """Update WeMo state.""" self._update(force_update=True) def _update(self, force_update=True): """Update the device state.""" try: self._state = self.wemo.get_state(force_update) if self._model_name == 'Insight': self.insight_params = self.wemo.insight_params self.insight_params['standby_state'] = ( self.wemo.get_standby_state) elif self._model_name == 'Maker': self.maker_params = self.wemo.maker_params elif self._model_name == 'CoffeeMaker': self.coffeemaker_mode = self.wemo.mode except AttributeError as err: _LOGGER.warning("Could not update status for %s (%s)", self.name, err)