132 lines
4.0 KiB
Python
132 lines
4.0 KiB
Python
"""Support for Coinbase sensors."""
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from homeassistant.const import ATTR_ATTRIBUTION
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from homeassistant.helpers.entity import Entity
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ATTR_NATIVE_BALANCE = "Balance in native currency"
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CURRENCY_ICONS = {
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"BTC": "mdi:currency-btc",
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"ETH": "mdi:currency-eth",
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"EUR": "mdi:currency-eur",
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"LTC": "mdi:litecoin",
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"USD": "mdi:currency-usd",
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}
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DEFAULT_COIN_ICON = "mdi:currency-usd-circle"
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ATTRIBUTION = "Data provided by coinbase.com"
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DATA_COINBASE = "coinbase_cache"
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Coinbase sensors."""
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if discovery_info is None:
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return
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if "account" in discovery_info:
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account = discovery_info["account"]
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sensor = AccountSensor(
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hass.data[DATA_COINBASE], account["name"], account["balance"]["currency"]
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)
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if "exchange_currency" in discovery_info:
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sensor = ExchangeRateSensor(
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hass.data[DATA_COINBASE],
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discovery_info["exchange_currency"],
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discovery_info["native_currency"],
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)
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add_entities([sensor], True)
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class AccountSensor(Entity):
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"""Representation of a Coinbase.com sensor."""
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def __init__(self, coinbase_data, name, currency):
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"""Initialize the sensor."""
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self._coinbase_data = coinbase_data
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self._name = f"Coinbase {name}"
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self._state = None
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self._unit_of_measurement = currency
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self._native_balance = None
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self._native_currency = 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 state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement this sensor expresses itself in."""
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return self._unit_of_measurement
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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 CURRENCY_ICONS.get(self._unit_of_measurement, DEFAULT_COIN_ICON)
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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return {
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ATTR_ATTRIBUTION: ATTRIBUTION,
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ATTR_NATIVE_BALANCE: f"{self._native_balance} {self._native_currency}",
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}
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def update(self):
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"""Get the latest state of the sensor."""
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self._coinbase_data.update()
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for account in self._coinbase_data.accounts["data"]:
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if self._name == f"Coinbase {account['name']}":
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self._state = account["balance"]["amount"]
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self._native_balance = account["native_balance"]["amount"]
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self._native_currency = account["native_balance"]["currency"]
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class ExchangeRateSensor(Entity):
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"""Representation of a Coinbase.com sensor."""
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def __init__(self, coinbase_data, exchange_currency, native_currency):
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"""Initialize the sensor."""
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self._coinbase_data = coinbase_data
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self.currency = exchange_currency
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self._name = f"{exchange_currency} Exchange Rate"
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self._state = None
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self._unit_of_measurement = native_currency
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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 state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement this sensor expresses itself in."""
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return self._unit_of_measurement
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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 CURRENCY_ICONS.get(self.currency, DEFAULT_COIN_ICON)
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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return {ATTR_ATTRIBUTION: ATTRIBUTION}
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def update(self):
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"""Get the latest state of the sensor."""
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self._coinbase_data.update()
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rate = self._coinbase_data.exchange_rates.rates[self.currency]
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self._state = round(1 / float(rate), 2)
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