core/homeassistant/components/thingspeak/__init__.py

66 lines
1.9 KiB
Python

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