Add Prezzibenzina (Italian Fuel Price) Sensor (#19297)

* complete(?)

* fixed linting

* update requirements

* added to coveragerc

* fixed linting

* added ability to set custom name

* fixed linting

* added filter

* spacing

* Added list of possible fuels

* Minor updates

.coveragerc

@@ -799,6 +799,7 @@ omit =
     homeassistant/components/sensor/pocketcasts.py
     homeassistant/components/sensor/pollen.py
     homeassistant/components/sensor/postnl.py
+    homeassistant/components/sensor/prezzibenzina.py
     homeassistant/components/sensor/pushbullet.py
     homeassistant/components/sensor/pvoutput.py
     homeassistant/components/sensor/pyload.py

homeassistant/components/sensor/prezzibenzina.py

@@ -0,0 +1,122 @@
+"""
+Support for the PrezziBenzina.it service.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.prezzibenzina/
+"""
+import datetime as dt
+from datetime import timedelta
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import ATTR_ATTRIBUTION, ATTR_TIME, CONF_NAME
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA
+from homeassistant.helpers.entity import Entity
+
+REQUIREMENTS = ['prezzibenzina-py==1.1.4']
+
+_LOGGER = logging.getLogger(__name__)
+
+ATTR_FUEL = 'fuel'
+ATTR_SERVICE = 'service'
+ATTRIBUTION = 'Data provided by PrezziBenzina.it'
+
+CONF_STATION = 'station'
+CONF_TYPES = 'fuel_types'
+
+ICON = 'mdi:fuel'
+
+FUEL_TYPES = [
+    'Benzina',
+    "Benzina speciale",
+    'Diesel',
+    "Diesel speciale",
+    'GPL',
+    'Metano',
+]
+
+SCAN_INTERVAL = timedelta(minutes=120)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_STATION): cv.string,
+    vol.Optional(CONF_NAME, None): cv.string,
+    vol.Optional(CONF_TYPES, None):
+        vol.All(cv.ensure_list, [vol.In(FUEL_TYPES)]),
+})
+
+
+async def async_setup_platform(
+        hass, config, async_add_entities, discovery_info=None):
+    """Set up the PrezziBenzina sensor platform."""
+    from prezzibenzina import PrezziBenzinaPy
+
+    station = config[CONF_STATION]
+    name = config.get(CONF_NAME)
+    types = config.get(CONF_TYPES)
+
+    client = PrezziBenzinaPy()
+    dev = []
+    info = client.get_by_id(station)
+
+    if name is None:
+        name = client.get_station_name(station)
+
+    for index, info in enumerate(info):
+        if types is not None and info['fuel'] not in types:
+            continue
+        dev.append(PrezziBenzinaSensor(
+            index, client, station, name, info['fuel']))
+
+    async_add_entities(dev, True)
+
+
+class PrezziBenzinaSensor(Entity):
+    """Implementation of a PrezziBenzina sensor."""
+
+    def __init__(self, index, client, station, name, ft):
+        """Initialize the PrezziBenzina sensor."""
+        self._client = client
+        self._index = index
+        self._data = None
+        self._station = station
+        self._name = "{} {}".format(name, ft)
+
+    @property
+    def name(self):
+        """Return the name of the sensor."""
+        return self._name
+
+    @property
+    def icon(self):
+        """Icon to use in the frontend, if any."""
+        return ICON
+
+    @property
+    def state(self):
+        """Return the state of the device."""
+        return self._data['price'].replace(" €", "")
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of measurement of this entity, if any."""
+        return self._data['price'].split(" ")[1]
+
+    @property
+    def device_state_attributes(self):
+        """Return the device state attributes of the last update."""
+        timestamp = dt.datetime.strptime(
+            self._data['date'], "%d/%m/%Y %H:%M").isoformat()
+
+        attrs = {
+            ATTR_ATTRIBUTION: ATTRIBUTION,
+            ATTR_FUEL: self._data['fuel'],
+            ATTR_SERVICE: self._data['service'],
+            ATTR_TIME: timestamp,
+        }
+        return attrs
+
+    async def async_update(self):
+        """Get the latest data and updates the states."""
+        self._data = self._client.get_by_id(self._station)[self._index]

requirements_all.txt

@@ -793,6 +793,9 @@ pocketcasts==0.1
 # homeassistant.components.sensor.postnl
 postnl_api==1.0.2
 
+# homeassistant.components.sensor.prezzibenzina
+prezzibenzina-py==1.1.4
+
 # homeassistant.components.climate.proliphix
 proliphix==0.4.1