mirror of https://github.com/home-assistant/core
117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
"""Support for an exposed aREST RESTful API of a device."""
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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.binary_sensor import (
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BinarySensorDevice,
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PLATFORM_SCHEMA,
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DEVICE_CLASSES_SCHEMA,
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)
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from homeassistant.const import CONF_RESOURCE, CONF_PIN, CONF_NAME, CONF_DEVICE_CLASS
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from homeassistant.util import Throttle
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=30)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_RESOURCE): cv.url,
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vol.Optional(CONF_NAME): cv.string,
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vol.Required(CONF_PIN): cv.string,
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vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
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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 aREST binary sensor."""
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resource = config.get(CONF_RESOURCE)
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pin = config.get(CONF_PIN)
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device_class = config.get(CONF_DEVICE_CLASS)
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try:
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response = requests.get(resource, timeout=10).json()
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except requests.exceptions.MissingSchema:
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_LOGGER.error(
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"Missing resource or schema in configuration. " "Add http:// to your URL"
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)
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return False
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device at %s", resource)
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return False
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arest = ArestData(resource, pin)
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add_entities(
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[
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ArestBinarySensor(
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arest,
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resource,
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config.get(CONF_NAME, response[CONF_NAME]),
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device_class,
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pin,
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)
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],
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True,
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)
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class ArestBinarySensor(BinarySensorDevice):
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"""Implement an aREST binary sensor for a pin."""
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def __init__(self, arest, resource, name, device_class, pin):
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"""Initialize the aREST device."""
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self.arest = arest
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self._resource = resource
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self._name = name
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self._device_class = device_class
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self._pin = pin
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if self._pin is not None:
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request = requests.get(f"{self._resource}/mode/{self._pin}/i", timeout=10)
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if request.status_code != 200:
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_LOGGER.error("Can't set mode of %s", self._resource)
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@property
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def name(self):
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"""Return the name of the binary sensor."""
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return self._name
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@property
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def is_on(self):
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"""Return true if the binary sensor is on."""
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return bool(self.arest.data.get("state"))
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@property
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def device_class(self):
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"""Return the class of this sensor."""
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return self._device_class
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def update(self):
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"""Get the latest data from aREST API."""
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self.arest.update()
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class ArestData:
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"""Class for handling the data retrieval for pins."""
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def __init__(self, resource, pin):
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"""Initialize the aREST data object."""
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self._resource = resource
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self._pin = pin
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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 aREST device."""
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try:
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response = requests.get(f"{self._resource}/digital/{self._pin}", timeout=10)
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self.data = {"state": response.json()["return_value"]}
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device '%s'", self._resource)
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