mirror of https://github.com/home-assistant/core
123 lines
3.5 KiB
Python
123 lines
3.5 KiB
Python
"""Support for showing values from Dweet.io."""
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from __future__ import annotations
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from datetime import timedelta
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import json
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import logging
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import dweepy
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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 (
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CONF_DEVICE,
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CONF_NAME,
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CONF_UNIT_OF_MEASUREMENT,
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CONF_VALUE_TEMPLATE,
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)
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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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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = "Dweet.io Sensor"
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SCAN_INTERVAL = timedelta(minutes=1)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_DEVICE): cv.string,
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vol.Required(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_UNIT_OF_MEASUREMENT): 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 Dweet sensor."""
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name = config.get(CONF_NAME)
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device = config.get(CONF_DEVICE)
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value_template = config.get(CONF_VALUE_TEMPLATE)
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unit = config.get(CONF_UNIT_OF_MEASUREMENT)
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if value_template is not None:
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value_template.hass = hass
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try:
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content = json.dumps(dweepy.get_latest_dweet_for(device)[0]["content"])
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except dweepy.DweepyError:
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_LOGGER.error("Device/thing %s could not be found", device)
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return
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if value_template.render_with_possible_json_value(content) == "":
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_LOGGER.error("%s was not found", value_template)
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return
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dweet = DweetData(device)
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add_entities([DweetSensor(hass, dweet, name, value_template, unit)], True)
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class DweetSensor(SensorEntity):
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"""Representation of a Dweet sensor."""
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def __init__(self, hass, dweet, name, value_template, unit_of_measurement):
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"""Initialize the sensor."""
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self.hass = hass
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self.dweet = dweet
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self._name = name
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self._value_template = value_template
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self._state = None
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self._unit_of_measurement = unit_of_measurement
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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_of_measurement
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@property
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def native_value(self):
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"""Return the state."""
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return self._state
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def update(self):
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"""Get the latest data from REST API."""
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self.dweet.update()
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if self.dweet.data is None:
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self._state = None
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else:
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values = json.dumps(self.dweet.data[0]["content"])
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self._state = self._value_template.render_with_possible_json_value(
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values, None
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)
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class DweetData:
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"""The class for handling the data retrieval."""
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def __init__(self, device):
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"""Initialize the sensor."""
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self._device = device
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self.data = None
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def update(self):
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"""Get the latest data from Dweet.io."""
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try:
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self.data = dweepy.get_latest_dweet_for(self._device)
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except dweepy.DweepyError:
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_LOGGER.warning("Device %s doesn't contain any data", self._device)
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self.data = None
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