core/homeassistant/components/conversation.py

76 lines
2.1 KiB
Python

"""
Support for functionality to have conversations with Home Assistant.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/conversation/
"""
import logging
import re
import warnings
import voluptuous as vol
from homeassistant import core
from homeassistant.const import (
ATTR_ENTITY_ID, SERVICE_TURN_OFF, SERVICE_TURN_ON)
import homeassistant.helpers.config_validation as cv
DOMAIN = "conversation"
SERVICE_PROCESS = "process"
ATTR_TEXT = "text"
SERVICE_PROCESS_SCHEMA = vol.Schema({
vol.Required(ATTR_TEXT): vol.All(cv.string, vol.Lower),
})
REGEX_TURN_COMMAND = re.compile(r'turn (?P<name>(?: |\w)+) (?P<command>\w+)')
REQUIREMENTS = ['fuzzywuzzy==0.10.0']
def setup(hass, config):
"""Register the process service."""
warnings.filterwarnings('ignore', module='fuzzywuzzy')
from fuzzywuzzy import process as fuzzyExtract
logger = logging.getLogger(__name__)
def process(service):
"""Parse text into commands."""
text = service.data[ATTR_TEXT]
match = REGEX_TURN_COMMAND.match(text)
if not match:
logger.error("Unable to process: %s", text)
return
name, command = match.groups()
entities = {state.entity_id: state.name for state in hass.states.all()}
entity_ids = fuzzyExtract.extractOne(name, entities,
score_cutoff=65)[2]
if not entity_ids:
logger.error(
"Could not find entity id %s from text %s", name, text)
return
if command == 'on':
hass.services.call(core.DOMAIN, SERVICE_TURN_ON, {
ATTR_ENTITY_ID: entity_ids,
}, blocking=True)
elif command == 'off':
hass.services.call(core.DOMAIN, SERVICE_TURN_OFF, {
ATTR_ENTITY_ID: entity_ids,
}, blocking=True)
else:
logger.error(
'Got unsupported command %s from text %s', command, text)
hass.services.register(DOMAIN, SERVICE_PROCESS, process,
schema=SERVICE_PROCESS_SCHEMA)
return True