mirror of https://github.com/home-assistant/core
125 lines
3.4 KiB
Python
125 lines
3.4 KiB
Python
"""Support gathering ted5000 information."""
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from contextlib import suppress
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from datetime import timedelta
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import logging
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import requests
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import voluptuous as vol
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import xmltodict
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from homeassistant.components.sensor import (
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PLATFORM_SCHEMA,
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STATE_CLASS_MEASUREMENT,
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SensorEntity,
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)
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from homeassistant.const import (
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CONF_HOST,
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CONF_NAME,
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CONF_PORT,
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ELECTRIC_POTENTIAL_VOLT,
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POWER_WATT,
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)
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from homeassistant.helpers import config_validation as cv
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from homeassistant.util import Throttle
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = "ted"
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=10)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_PORT, default=80): cv.port,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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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 Ted5000 sensor."""
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host = config.get(CONF_HOST)
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port = config.get(CONF_PORT)
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name = config.get(CONF_NAME)
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url = f"http://{host}:{port}/api/LiveData.xml"
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gateway = Ted5000Gateway(url)
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# Get MUT information to create the sensors.
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gateway.update()
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dev = []
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for mtu in gateway.data:
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dev.append(Ted5000Sensor(gateway, name, mtu, POWER_WATT))
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dev.append(Ted5000Sensor(gateway, name, mtu, ELECTRIC_POTENTIAL_VOLT))
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add_entities(dev)
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return True
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class Ted5000Sensor(SensorEntity):
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"""Implementation of a Ted5000 sensor."""
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_attr_state_class = STATE_CLASS_MEASUREMENT
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def __init__(self, gateway, name, mtu, unit):
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"""Initialize the sensor."""
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units = {POWER_WATT: "power", ELECTRIC_POTENTIAL_VOLT: "voltage"}
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self._gateway = gateway
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self._name = f"{name} mtu{mtu} {units[unit]}"
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self._mtu = mtu
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self._unit = unit
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self.update()
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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_unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return self._unit
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@property
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def native_value(self):
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"""Return the state of the resources."""
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with suppress(KeyError):
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return self._gateway.data[self._mtu][self._unit]
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def update(self):
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"""Get the latest data from REST API."""
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self._gateway.update()
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class Ted5000Gateway:
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"""The class for handling the data retrieval."""
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def __init__(self, url):
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"""Initialize the data object."""
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self.url = url
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self.data = {}
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def update(self):
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"""Get the latest data from the Ted5000 XML API."""
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try:
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request = requests.get(self.url, timeout=10)
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except requests.exceptions.RequestException as err:
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_LOGGER.error("No connection to endpoint: %s", err)
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else:
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doc = xmltodict.parse(request.text)
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mtus = int(doc["LiveData"]["System"]["NumberMTU"])
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for mtu in range(1, mtus + 1):
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power = int(doc["LiveData"]["Power"]["MTU%d" % mtu]["PowerNow"])
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voltage = int(doc["LiveData"]["Voltage"]["MTU%d" % mtu]["VoltageNow"])
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self.data[mtu] = {
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POWER_WATT: power,
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ELECTRIC_POTENTIAL_VOLT: voltage / 10,
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}
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