home-assistant-configuration/config/custom_components/amazon_polly/tts.py

243 lines
6.8 KiB
Python
Executable File

"""Support for the Amazon Polly text to speech service."""
import logging
import boto3
import voluptuous as vol
from homeassistant.components.tts import PLATFORM_SCHEMA, Provider
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
CONF_REGION = "region_name"
CONF_ACCESS_KEY_ID = "aws_access_key_id"
CONF_SECRET_ACCESS_KEY = "aws_secret_access_key"
CONF_PROFILE_NAME = "profile_name"
ATTR_CREDENTIALS = "credentials"
DEFAULT_REGION = "us-east-1"
SUPPORTED_REGIONS = [
"us-east-1",
"us-east-2",
"us-west-1",
"us-west-2",
"ca-central-1",
"eu-west-1",
"eu-central-1",
"eu-west-2",
"eu-west-3",
"ap-southeast-1",
"ap-southeast-2",
"ap-northeast-2",
"ap-northeast-1",
"ap-south-1",
"sa-east-1",
]
CONF_ENGINE = "engine"
CONF_VOICE = "voice"
CONF_OUTPUT_FORMAT = "output_format"
CONF_SAMPLE_RATE = "sample_rate"
CONF_TEXT_TYPE = "text_type"
SUPPORTED_VOICES = [
"Zhiyu", # Chinese
"Mads",
"Naja", # Danish
"Ruben",
"Lotte", # Dutch
"Russell",
"Nicole", # English Australian
"Brian",
"Amy",
"Emma", # English
"Aditi",
"Raveena", # English, Indian
"Joey",
"Justin",
"Matthew",
"Ivy",
"Joanna",
"Kendra",
"Kimberly",
"Salli", # English
"Geraint", # English Welsh
"Mathieu",
"Celine",
"Lea", # French
"Chantal", # French Canadian
"Hans",
"Marlene",
"Vicki", # German
"Aditi", # Hindi
"Karl",
"Dora", # Icelandic
"Giorgio",
"Carla",
"Bianca", # Italian
"Takumi",
"Mizuki", # Japanese
"Seoyeon", # Korean
"Liv", # Norwegian
"Jacek",
"Jan",
"Ewa",
"Maja", # Polish
"Ricardo",
"Vitoria", # Portuguese, Brazilian
"Cristiano",
"Ines", # Portuguese, European
"Carmen", # Romanian
"Maxim",
"Tatyana", # Russian
"Enrique",
"Conchita",
"Lucia", # Spanish European
"Mia", # Spanish Mexican
"Miguel",
"Penelope", # Spanish US
"Astrid", # Swedish
"Filiz", # Turkish
"Gwyneth", # Welsh
]
SUPPORTED_OUTPUT_FORMATS = ["mp3", "ogg_vorbis", "pcm"]
SUPPORTED_ENGINES = ["neural", "standard"]
SUPPORTED_SAMPLE_RATES = ["8000", "16000", "22050", "24000"]
SUPPORTED_SAMPLE_RATES_MAP = {
"mp3": ["8000", "16000", "22050", "24000"],
"ogg_vorbis": ["8000", "16000", "22050"],
"pcm": ["8000", "16000"],
}
SUPPORTED_TEXT_TYPES = ["text", "ssml"]
CONTENT_TYPE_EXTENSIONS = {"audio/mpeg": "mp3", "audio/ogg": "ogg", "audio/pcm": "pcm"}
DEFAULT_ENGINE = "standard"
DEFAULT_VOICE = "Joanna"
DEFAULT_OUTPUT_FORMAT = "mp3"
DEFAULT_TEXT_TYPE = "text"
DEFAULT_SAMPLE_RATES = {"mp3": "22050", "ogg_vorbis": "22050", "pcm": "16000"}
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_REGION, default=DEFAULT_REGION): vol.In(SUPPORTED_REGIONS),
vol.Inclusive(CONF_ACCESS_KEY_ID, ATTR_CREDENTIALS): cv.string,
vol.Inclusive(CONF_SECRET_ACCESS_KEY, ATTR_CREDENTIALS): cv.string,
vol.Exclusive(CONF_PROFILE_NAME, ATTR_CREDENTIALS): cv.string,
vol.Optional(CONF_VOICE, default=DEFAULT_VOICE): vol.In(SUPPORTED_VOICES),
vol.Optional(CONF_ENGINE, default=DEFAULT_ENGINE): vol.In(SUPPORTED_ENGINES),
vol.Optional(CONF_OUTPUT_FORMAT, default=DEFAULT_OUTPUT_FORMAT): vol.In(
SUPPORTED_OUTPUT_FORMATS
),
vol.Optional(CONF_SAMPLE_RATE): vol.All(
cv.string, vol.In(SUPPORTED_SAMPLE_RATES)
),
vol.Optional(CONF_TEXT_TYPE, default=DEFAULT_TEXT_TYPE): vol.In(
SUPPORTED_TEXT_TYPES
),
}
)
def get_engine(hass, config):
"""Set up Amazon Polly speech component."""
output_format = config.get(CONF_OUTPUT_FORMAT)
sample_rate = config.get(CONF_SAMPLE_RATE, DEFAULT_SAMPLE_RATES[output_format])
if sample_rate not in SUPPORTED_SAMPLE_RATES_MAP.get(output_format):
_LOGGER.error(
"%s is not a valid sample rate for %s", sample_rate, output_format
)
return None
config[CONF_SAMPLE_RATE] = sample_rate
profile = config.get(CONF_PROFILE_NAME)
if profile is not None:
boto3.setup_default_session(profile_name=profile)
aws_config = {
CONF_REGION: config.get(CONF_REGION),
CONF_ACCESS_KEY_ID: config.get(CONF_ACCESS_KEY_ID),
CONF_SECRET_ACCESS_KEY: config.get(CONF_SECRET_ACCESS_KEY),
}
del config[CONF_REGION]
del config[CONF_ACCESS_KEY_ID]
del config[CONF_SECRET_ACCESS_KEY]
polly_client = boto3.client("polly", **aws_config)
supported_languages = []
all_voices = {}
all_voices_req = polly_client.describe_voices()
for voice in all_voices_req.get("Voices"):
all_voices[voice.get("Id")] = voice
if voice.get("LanguageCode") not in supported_languages:
supported_languages.append(voice.get("LanguageCode"))
return AmazonPollyProvider(polly_client, config, supported_languages, all_voices)
class AmazonPollyProvider(Provider):
"""Amazon Polly speech api provider."""
def __init__(self, polly_client, config, supported_languages, all_voices):
"""Initialize Amazon Polly provider for TTS."""
self.client = polly_client
self.config = config
self.supported_langs = supported_languages
self.all_voices = all_voices
self.default_voice = self.config.get(CONF_VOICE)
self.name = "Amazon Polly"
@property
def supported_languages(self):
"""Return a list of supported languages."""
return self.supported_langs
@property
def default_language(self):
"""Return the default language."""
return self.all_voices.get(self.default_voice).get("LanguageCode")
@property
def default_options(self):
"""Return dict include default options."""
return {CONF_VOICE: self.default_voice}
@property
def supported_options(self):
"""Return a list of supported options."""
return [CONF_VOICE]
def get_tts_audio(self, message, language=None, options=None):
"""Request TTS file from Polly."""
voice_id = options.get(CONF_VOICE, self.default_voice)
voice_in_dict = self.all_voices.get(voice_id)
if language != voice_in_dict.get("LanguageCode"):
_LOGGER.error("%s does not support the %s language", voice_id, language)
return None, None
resp = self.client.synthesize_speech(
Engine=self.config[CONF_ENGINE],
OutputFormat=self.config[CONF_OUTPUT_FORMAT],
SampleRate=self.config[CONF_SAMPLE_RATE],
Text=message,
TextType=self.config[CONF_TEXT_TYPE],
VoiceId=voice_id,
)
return (
CONTENT_TYPE_EXTENSIONS[resp.get("ContentType")],
resp.get("AudioStream").read(),
)