72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
"""A component to submit data to thingspeak."""
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import logging
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import voluptuous as vol
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from requests.exceptions import RequestException
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from homeassistant.const import (
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CONF_API_KEY, CONF_ID, CONF_WHITELIST,
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STATE_UNAVAILABLE, STATE_UNKNOWN)
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from homeassistant.helpers import state as state_helper
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import homeassistant.helpers.config_validation as cv
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import homeassistant.helpers.event as event
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REQUIREMENTS = ['thingspeak==0.4.0']
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = 'thingspeak'
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TIMEOUT = 5
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# Validate the config
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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vol.Required(CONF_API_KEY): cv.string,
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vol.Required(CONF_ID): int,
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vol.Required(CONF_WHITELIST): cv.string
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}),
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}, extra=vol.ALLOW_EXTRA)
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def setup(hass, config):
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"""Setup the thingspeak environment."""
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import thingspeak
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# Read out config values
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conf = config[DOMAIN]
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api_key = conf.get(CONF_API_KEY)
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channel_id = conf.get(CONF_ID)
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entity = conf.get(CONF_WHITELIST)
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try:
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channel = thingspeak.Channel(
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channel_id, api_key=api_key, timeout=TIMEOUT)
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channel.get()
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except RequestException:
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_LOGGER.error("Error while accessing the ThingSpeak channel. "
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"Please check that the channel exists and your "
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"API key is correct.")
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return False
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def thingspeak_listener(entity_id, old_state, new_state):
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"""Listen for new events and send them to thingspeak."""
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if new_state is None or new_state.state in (
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STATE_UNKNOWN, '', STATE_UNAVAILABLE):
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return
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try:
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if new_state.entity_id != entity:
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return
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_state = state_helper.state_as_number(new_state)
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except ValueError:
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return
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try:
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channel.update({'field1': _state})
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except RequestException:
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_LOGGER.error(
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'Error while sending value "%s" to Thingspeak',
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_state)
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event.track_state_change(hass, entity, thingspeak_listener)
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return True
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