Address last comments

homeassistant/components/frontend/www_static/home-assistant-polymer

@@ -1 +1 @@
-Subproject commit cbafbda5fdd2216ab4b6ebd962cbd1164fa8abec
+Subproject commit a343d3d098e78976fc66f8ed66ce0ae5d7bc3861

homeassistant/components/sensor/vera.py

@@ -51,7 +51,8 @@ class VeraSensor(VeraDevice, Entity):
     def update(self):
         """Update the state."""
         if self.vera_device.category == "Temperature Sensor":
-            current_temp = self.vera_device.temperature
+            self.current_value = self.vera_device.temperature
+
             vera_temp_units = (
                 self.vera_device.vera_controller.temperature_units)
 
@@ -60,14 +61,6 @@ class VeraSensor(VeraDevice, Entity):
             else:
                 self._temperature_units = TEMP_CELSIUS
 
-            if self.hass:
-                temp = self.hass.config.units.temperature(
-                    current_temp,
-                    self._temperature_units)
-
-                current_temp = temp
-
-            self.current_value = current_temp
         elif self.vera_device.category == "Light Sensor":
             self.current_value = self.vera_device.light
         elif self.vera_device.category == "Humidity Sensor":

homeassistant/components/thermostat/__init__.py

@@ -147,14 +147,11 @@ def setup(hass, config):
         temperature = service.data[ATTR_TEMPERATURE]
 
         for thermostat in target_thermostats:
-            if thermostat.unit_of_measurement is not None:
-                converted_temperature = convert(
-                    temperature, hass.config.units.temperature_unit,
-                    thermostat.unit_of_measurement)
-            else:
-                converted_temperature = temperature
-            thermostat.set_temperature(converted_temperature)
+            converted_temperature = convert(
+                temperature, hass.config.units.temperature_unit,
+                thermostat.unit_of_measurement)
 
+            thermostat.set_temperature(converted_temperature)
             thermostat.update_ha_state(True)
 
     hass.services.register(
@@ -306,20 +303,12 @@ class ThermostatDevice(Entity):
     @property
     def min_temp(self):
         """Return the minimum temperature."""
-        try:
-            unit = self.unit_of_measurement
-            return convert(7, TEMP_CELSIUS, unit)
-        except ValueError:
-            return STATE_UNKNOWN
+        return convert(7, TEMP_CELSIUS, self.unit_of_measurement)
 
     @property
     def max_temp(self):
         """Return the maximum temperature."""
-        try:
-            unit = self.unit_of_measurement
-            return convert(35, TEMP_CELSIUS, unit)
-        except ValueError:
-            return STATE_UNKNOWN
+        return convert(35, TEMP_CELSIUS, self.unit_of_measurement)
 
     def _convert_for_display(self, temp):
         """Convert temperature into preferred units for display purposes."""

homeassistant/components/thermostat/heat_control.py

@@ -8,12 +8,10 @@ import logging
 import voluptuous as vol
 
 import homeassistant.helpers.config_validation as cv
-import homeassistant.util as util
 from homeassistant.components import switch
 from homeassistant.components.thermostat import (
     STATE_HEAT, STATE_COOL, STATE_IDLE, ThermostatDevice)
-from homeassistant.const import (
-    ATTR_UNIT_OF_MEASUREMENT, TEMP_CELSIUS, TEMP_FAHRENHEIT)
+from homeassistant.const import ATTR_UNIT_OF_MEASUREMENT
 from homeassistant.helpers.event import track_state_change
 
 DEPENDENCIES = ['switch', 'sensor']
@@ -157,24 +155,11 @@ class HeatControl(ThermostatDevice):
         """Update thermostat with latest state from sensor."""
         unit = state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
 
-        if unit not in (TEMP_CELSIUS, TEMP_FAHRENHEIT):
-            self._cur_temp = None
-            self._unit = None
-            _LOGGER.error('Sensor has unsupported unit: %s (allowed: %s, %s)',
-                          unit, TEMP_CELSIUS, TEMP_FAHRENHEIT)
-            return
-
-        temp = util.convert(state.state, float)
-
-        if temp is None:
-            self._cur_temp = None
-            self._unit = None
-            _LOGGER.error('Unable to parse sensor temperature: %s',
-                          state.state)
-            return
-
-        self._cur_temp = temp
-        self._unit = unit
+        try:
+            self._cur_temp = self.hass.config.units.temperature(
+                float(state.state), unit)
+        except ValueError as ex:
+            _LOGGER.error('Unable to update from sensor: %s', ex)
 
     def _control_heating(self):
         """Check if we need to turn heating on or off."""

homeassistant/helpers/entity.py

@@ -202,9 +202,9 @@ class Entity(object):
         try:
             unit_of_measure = attr.get(ATTR_UNIT_OF_MEASUREMENT)
             if unit_of_measure in (TEMP_CELSIUS, TEMP_FAHRENHEIT):
-                state = \
-                    str(self.hass.config.units.temperature(float(state),
-                                                           unit_of_measure))
+                units = self.hass.config.units
+                state = str(units.temperature(float(state), unit_of_measure))
+                attr[ATTR_UNIT_OF_MEASUREMENT] = units.temperature_unit
         except ValueError:
             # Could not convert state to float
             pass

homeassistant/helpers/unit_system.py

@@ -91,8 +91,7 @@ class UnitSystem(object):
         """Determine if this is the metric unit system."""
         return self.name == CONF_UNIT_SYSTEM_METRIC
 
-    def temperature(self: object, temperature: float, from_unit: str) -> (
-            float, str):
+    def temperature(self: object, temperature: float, from_unit: str) -> float:
         """Convert the given temperature to this unit system."""
         if not isinstance(temperature, Number):
             raise TypeError(

tests/components/thermostat/test_heat_control.py

@@ -124,19 +124,29 @@ class TestThermostatHeatControl(unittest.TestCase):
 
     def test_sensor_bad_unit(self):
         """Test sensor that have bad unit."""
+        state = self.hass.states.get(ENTITY)
+        temp = state.attributes.get('current_temperature')
+        unit = state.attributes.get('unit_of_measurement')
+
         self._setup_sensor(22.0, unit='bad_unit')
         self.hass.pool.block_till_done()
+
         state = self.hass.states.get(ENTITY)
-        self.assertEqual(None, state.attributes.get('unit_of_measurement'))
-        self.assertEqual(None, state.attributes.get('current_temperature'))
+        self.assertEqual(unit, state.attributes.get('unit_of_measurement'))
+        self.assertEqual(temp, state.attributes.get('current_temperature'))
 
     def test_sensor_bad_value(self):
         """Test sensor that have None as state."""
+        state = self.hass.states.get(ENTITY)
+        temp = state.attributes.get('current_temperature')
+        unit = state.attributes.get('unit_of_measurement')
+
         self._setup_sensor(None)
         self.hass.pool.block_till_done()
+
         state = self.hass.states.get(ENTITY)
-        self.assertEqual(None, state.attributes.get('unit_of_measurement'))
-        self.assertEqual(None, state.attributes.get('current_temperature'))
+        self.assertEqual(unit, state.attributes.get('unit_of_measurement'))
+        self.assertEqual(temp, state.attributes.get('current_temperature'))
 
     def test_set_target_temp_heater_on(self):
         """Test if target temperature turn heater on."""