Handling intents

Any component can register to handle intents. This allows a single component to handle intents fired from multiple voice assistants.

A component has to register an intent handler for each type that it wants to handle. Intent handlers have to extend homeassistant.helpers.intent.IntentHandler

import asyncio
from homeassistant.helpers import intent
DATA_KEY = "example_key"
@asyncio.coroutine
def async_setup(hass, config):
hass.data[DATA_KEY] = 0
intent.async_register(hass, CountInvocationIntent())
class CountInvocationIntent(intent.IntentHandler):
"""Handle CountInvocationIntent intents."""
# Type of intent to handle
intent_type = "CountInvocationIntent"
# Optional. A validation schema for slots
# slot_schema = {
# 'item': cv.string
# }
@asyncio.coroutine
def async_handle(self, intent_obj):
"""Handle the intent."""
intent_obj.hass.data[DATA_KEY] += 1
response = intent_obj.create_response()
response.async_set_speech(
f"This intent has been invoked {intent_obj.hass.data[DATA_KEY]} times"
)
return response
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