Add Mercedes me component (#11743)

* Add Mercedes me component

* pump api version to 0.1.2

* Add Mercedes me component

* pump api version to 0.1.2

* clean up code

* Code cleanup

* Remove unneeded return statement

* Return statements added again

* Implement requested changes

* Rework component, move data load to component

* lint

* remove debug logging

* Change RainCloud comments, change from track_utc_time to track_time_interval

* Final cleanup for version 1

homeassistant/components/sensor/mercedesme.py

@@ -0,0 +1,92 @@
+"""
+Support for Mercedes cars with Mercedes ME.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/mercedesme/
+"""
+import logging
+import datetime
+
+from homeassistant.const import LENGTH_KILOMETERS
+from homeassistant.components.mercedesme import DATA_MME, MercedesMeEntity
+
+
+DEPENDENCIES = ['mercedesme']
+
+_LOGGER = logging.getLogger(__name__)
+
+SENSOR_TYPES = {
+    'fuelLevelPercent': ['Fuel Level', '%'],
+    'fuelRangeKm': ['Fuel Range', LENGTH_KILOMETERS],
+    'latestTrip': ['Latest Trip', None],
+    'odometerKm': ['Odometer', LENGTH_KILOMETERS],
+    'serviceIntervalDays': ['Next Service', 'days'],
+    'doorsClosed': ['doorsClosed', None],
+}
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the sensor platform."""
+    if discovery_info is None:
+        return
+
+    data = hass.data[DATA_MME].data
+
+    if not data.cars:
+        return
+
+    devices = []
+    for car in data.cars:
+        for key, value in sorted(SENSOR_TYPES.items()):
+            devices.append(
+                MercedesMESensor(data, key, value[0], car["vin"], value[1]))
+
+    add_devices(devices, True)
+
+
+class MercedesMESensor(MercedesMeEntity):
+    """Representation of a Sensor."""
+
+    @property
+    def state(self):
+        """Return the state of the sensor."""
+        return self._state
+
+    def update(self):
+        """Get the latest data and updates the states."""
+        _LOGGER.debug("Updating %s", self._internal_name)
+
+        self._car = next(
+            car for car in self._data.cars if car["vin"] == self._vin)
+
+        if self._internal_name == "latestTrip":
+            self._state = self._car["latestTrip"]["id"]
+        else:
+            self._state = self._car[self._internal_name]
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes."""
+        if self._internal_name == "latestTrip":
+            return {
+                "durationSeconds":
+                    self._car["latestTrip"]["durationSeconds"],
+                "distanceTraveledKm":
+                    self._car["latestTrip"]["distanceTraveledKm"],
+                "startedAt": datetime.datetime.fromtimestamp(
+                    self._car["latestTrip"]["startedAt"]
+                    ).strftime('%Y-%m-%d %H:%M:%S'),
+                "averageSpeedKmPerHr":
+                    self._car["latestTrip"]["averageSpeedKmPerHr"],
+                "finished": self._car["latestTrip"]["finished"],
+                "lastUpdate": datetime.datetime.fromtimestamp(
+                    self._car["lastUpdate"]
+                    ).strftime('%Y-%m-%d %H:%M:%S'),
+                "car": self._car["license"]
+            }
+
+        return {
+            "lastUpdate": datetime.datetime.fromtimestamp(
+                self._car["lastUpdate"]).strftime('%Y-%m-%d %H:%M:%S'),
+            "car": self._car["license"]
+        }