mirror of
https://github.com/home-assistant/core
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f5076188ef
* Consolidate * Fix tests * Update imports * Fix import * Use importlib because integration and package share name * Fix more tests * Update .coveragerc and CODEOWNERS
119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
"""
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Support gathering ted500 information.
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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.ted5000/
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"""
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import logging
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from datetime import timedelta
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import requests
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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 (
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CONF_HOST, CONF_NAME, CONF_PORT, POWER_WATT)
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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REQUIREMENTS = ['xmltodict==0.11.0']
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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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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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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 = 'http://{}:{}/api/LiveData.xml'.format(host, port)
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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, 'V'))
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add_entities(dev)
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return True
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class Ted5000Sensor(Entity):
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"""Implementation of a Ted5000 sensor."""
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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', 'V': 'voltage'}
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self._gateway = gateway
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self._name = '{} mtu{} {}'.format(name, 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 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 state(self):
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"""Return the state of the resources."""
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try:
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return self._gateway.data[self._mtu][self._unit]
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except KeyError:
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pass
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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 = dict()
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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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import xmltodict
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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]
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["PowerNow"])
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voltage = int(doc["LiveData"]["Voltage"]["MTU%d" % mtu]
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["VoltageNow"])
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self.data[mtu] = {POWER_WATT: power, 'V': voltage / 10}
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