75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
"""
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Support for Etherscan sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.etherscan/
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"""
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from datetime import timedelta
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (CONF_NAME, ATTR_ATTRIBUTION)
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from homeassistant.helpers.entity import Entity
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REQUIREMENTS = ['python-etherscan-api==0.0.1']
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CONF_ADDRESS = 'address'
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CONF_ATTRIBUTION = "Data provided by etherscan.io"
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DEFAULT_NAME = 'Ethereum Balance'
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SCAN_INTERVAL = timedelta(minutes=5)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ADDRESS): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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})
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def setup_platform(hass, config, add_devices, discovery_info=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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add_devices([EtherscanSensor(name, address)], True)
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class EtherscanSensor(Entity):
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"""Representation of an Etherscan.io sensor."""
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def __init__(self, name, 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._state = None
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self._unit_of_measurement = '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 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 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: CONF_ATTRIBUTION,
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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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from pyetherscan import get_balance
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self._state = get_balance(self.address)
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