90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
"""Support for Etherscan sensors."""
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from __future__ import annotations
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from datetime import timedelta
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from pyetherscan import get_balance
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
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from homeassistant.const import CONF_ADDRESS, CONF_NAME, CONF_TOKEN
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from homeassistant.core import HomeAssistant
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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CONF_TOKEN_ADDRESS = "token_address"
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SCAN_INTERVAL = timedelta(minutes=5)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_ADDRESS): cv.string,
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_TOKEN): cv.string,
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vol.Optional(CONF_TOKEN_ADDRESS): cv.string,
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}
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)
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def setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Etherscan.io sensors."""
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address = config.get(CONF_ADDRESS)
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name = config.get(CONF_NAME)
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token = config.get(CONF_TOKEN)
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token_address = config.get(CONF_TOKEN_ADDRESS)
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if token:
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token = token.upper()
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if not name:
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name = f"{token} Balance"
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if not name:
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name = "ETH Balance"
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add_entities([EtherscanSensor(name, address, token, token_address)], True)
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class EtherscanSensor(SensorEntity):
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"""Representation of an Etherscan.io sensor."""
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_attr_attribution = "Data provided by etherscan.io"
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def __init__(self, name, address, token, token_address):
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"""Initialize the sensor."""
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self._name = name
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self._address = address
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self._token_address = token_address
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self._token = token
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self._state = None
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self._unit_of_measurement = self._token or "ETH"
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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 native_value(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 native_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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def update(self) -> None:
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"""Get the latest state of the sensor."""
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if self._token_address:
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self._state = get_balance(self._address, self._token_address)
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elif self._token:
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self._state = get_balance(self._address, self._token)
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else:
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self._state = get_balance(self._address)
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