116 lines
3.1 KiB
Python
116 lines
3.1 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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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):
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vol.All(cv.ensure_list, [vol.In(FUEL_TYPES)]),
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})
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async def async_setup_platform(
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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(PrezziBenzinaSensor(
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index, client, station, name, info['fuel'], info['service']))
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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").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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