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