mirror of https://github.com/home-assistant/core
221 lines
6.8 KiB
Python
221 lines
6.8 KiB
Python
"""Stock market information from Alpha Vantage."""
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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.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import ATTR_ATTRIBUTION, CONF_API_KEY, CONF_CURRENCY, CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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ATTR_CLOSE = "close"
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ATTR_HIGH = "high"
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ATTR_LOW = "low"
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ATTRIBUTION = "Stock market information provided by Alpha Vantage"
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CONF_FOREIGN_EXCHANGE = "foreign_exchange"
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CONF_FROM = "from"
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CONF_SYMBOL = "symbol"
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CONF_SYMBOLS = "symbols"
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CONF_TO = "to"
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ICONS = {
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"BTC": "mdi:currency-btc",
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"EUR": "mdi:currency-eur",
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"GBP": "mdi:currency-gbp",
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"INR": "mdi:currency-inr",
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"RUB": "mdi:currency-rub",
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"TRY": "mdi:currency-try",
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"USD": "mdi:currency-usd",
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}
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SCAN_INTERVAL = timedelta(minutes=5)
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SYMBOL_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_SYMBOL): cv.string,
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vol.Optional(CONF_CURRENCY): cv.string,
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vol.Optional(CONF_NAME): cv.string,
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}
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)
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CURRENCY_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_FROM): cv.string,
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vol.Required(CONF_TO): cv.string,
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vol.Optional(CONF_NAME): cv.string,
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}
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)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_API_KEY): cv.string,
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vol.Optional(CONF_FOREIGN_EXCHANGE): vol.All(cv.ensure_list, [CURRENCY_SCHEMA]),
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vol.Optional(CONF_SYMBOLS): vol.All(cv.ensure_list, [SYMBOL_SCHEMA]),
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}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Alpha Vantage sensor."""
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from alpha_vantage.timeseries import TimeSeries
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from alpha_vantage.foreignexchange import ForeignExchange
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api_key = config.get(CONF_API_KEY)
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symbols = config.get(CONF_SYMBOLS, [])
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conversions = config.get(CONF_FOREIGN_EXCHANGE, [])
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if not symbols and not conversions:
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msg = "Warning: No symbols or currencies configured."
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hass.components.persistent_notification.create(msg, "Sensor alpha_vantage")
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_LOGGER.warning(msg)
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return
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timeseries = TimeSeries(key=api_key)
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dev = []
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for symbol in symbols:
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try:
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_LOGGER.debug("Configuring timeseries for symbols: %s", symbol[CONF_SYMBOL])
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timeseries.get_intraday(symbol[CONF_SYMBOL])
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except ValueError:
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_LOGGER.error("API Key is not valid or symbol '%s' not known", symbol)
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dev.append(AlphaVantageSensor(timeseries, symbol))
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forex = ForeignExchange(key=api_key)
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for conversion in conversions:
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from_cur = conversion.get(CONF_FROM)
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to_cur = conversion.get(CONF_TO)
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try:
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_LOGGER.debug("Configuring forex %s - %s", from_cur, to_cur)
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forex.get_currency_exchange_rate(from_currency=from_cur, to_currency=to_cur)
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except ValueError as error:
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_LOGGER.error(
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"API Key is not valid or currencies '%s'/'%s' not known",
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from_cur,
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to_cur,
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)
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_LOGGER.debug(str(error))
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dev.append(AlphaVantageForeignExchange(forex, conversion))
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add_entities(dev, True)
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_LOGGER.debug("Setup completed")
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class AlphaVantageSensor(Entity):
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"""Representation of a Alpha Vantage sensor."""
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def __init__(self, timeseries, symbol):
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"""Initialize the sensor."""
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self._symbol = symbol[CONF_SYMBOL]
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self._name = symbol.get(CONF_NAME, self._symbol)
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self._timeseries = timeseries
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self.values = None
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self._unit_of_measurement = symbol.get(CONF_CURRENCY, self._symbol)
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self._icon = ICONS.get(symbol.get(CONF_CURRENCY, "USD"))
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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 unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return self._unit_of_measurement
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self.values["1. open"]
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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if self.values is not None:
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return {
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ATTR_ATTRIBUTION: ATTRIBUTION,
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ATTR_CLOSE: self.values["4. close"],
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ATTR_HIGH: self.values["2. high"],
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ATTR_LOW: self.values["3. low"],
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}
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@property
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def icon(self):
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"""Return the icon to use in the frontend, if any."""
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return self._icon
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def update(self):
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"""Get the latest data and updates the states."""
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_LOGGER.debug("Requesting new data for symbol %s", self._symbol)
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all_values, _ = self._timeseries.get_intraday(self._symbol)
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self.values = next(iter(all_values.values()))
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_LOGGER.debug("Received new values for symbol %s", self._symbol)
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class AlphaVantageForeignExchange(Entity):
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"""Sensor for foreign exchange rates."""
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def __init__(self, foreign_exchange, config):
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"""Initialize the sensor."""
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self._foreign_exchange = foreign_exchange
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self._from_currency = config.get(CONF_FROM)
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self._to_currency = config.get(CONF_TO)
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if CONF_NAME in config:
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self._name = config.get(CONF_NAME)
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else:
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self._name = f"{self._to_currency}/{self._from_currency}"
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self._unit_of_measurement = self._to_currency
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self._icon = ICONS.get(self._from_currency, "USD")
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self.values = None
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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 unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return self._unit_of_measurement
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@property
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def state(self):
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"""Return the state of the sensor."""
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return round(float(self.values["5. Exchange Rate"]), 4)
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@property
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def icon(self):
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"""Return the icon to use in the frontend, if any."""
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return self._icon
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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if self.values is not None:
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return {
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ATTR_ATTRIBUTION: ATTRIBUTION,
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CONF_FROM: self._from_currency,
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CONF_TO: self._to_currency,
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}
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def update(self):
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"""Get the latest data and updates the states."""
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_LOGGER.debug(
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"Requesting new data for forex %s - %s",
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self._from_currency,
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self._to_currency,
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)
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self.values, _ = self._foreign_exchange.get_currency_exchange_rate(
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from_currency=self._from_currency, to_currency=self._to_currency
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)
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_LOGGER.debug(
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"Received new data for forex %s - %s",
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self._from_currency,
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self._to_currency,
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)
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