71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
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"""Helper script to update supported languages for Amazone Polly text-to-speech (TTS).
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N.B. This script requires AWS credentials.
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"""
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from dataclasses import dataclass
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from pathlib import Path
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from typing import Self
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import boto3
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from .hassfest.serializer import format_python_namespace
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@dataclass(frozen=True)
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class AmazonPollyVoice:
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"""Amazon Polly Voice."""
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id: str
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name: str
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gender: str
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language_name: str
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language_code: str
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supported_engines: set[str]
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additional_language_codes: set[str]
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@classmethod
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def validate(cls, model: dict[str, str | list[str]]) -> Self:
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"""Validate data model."""
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return cls(
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id=model["Id"],
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name=model["Name"],
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gender=model["Gender"],
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language_name=model["LanguageName"],
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language_code=model["LanguageCode"],
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supported_engines=set(model["SupportedEngines"]),
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additional_language_codes=set(model.get("AdditionalLanguageCodes", [])),
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)
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def get_all_voices(client: boto3.client) -> list[AmazonPollyVoice]:
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"""Get list of all supported voices from Amazon Polly."""
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response = client.describe_voices()
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return [AmazonPollyVoice.validate(voice) for voice in response["Voices"]]
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supported_regions = set(
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boto3.session.Session().get_available_regions(service_name="polly")
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)
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polly_client = boto3.client(service_name="polly", region_name="us-east-1")
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voices = get_all_voices(polly_client)
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supported_voices = set({v.id for v in voices})
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supported_engines = set().union(*[v.supported_engines for v in voices])
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Path("homeassistant/generated/amazon_polly.py").write_text(
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format_python_namespace(
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{
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"SUPPORTED_VOICES": supported_voices,
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"SUPPORTED_REGIONS": supported_regions,
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"SUPPORTED_ENGINES": supported_engines,
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},
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annotations={
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"SUPPORTED_VOICES": "Final[set[str]]",
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"SUPPORTED_REGIONS": "Final[set[str]]",
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"SUPPORTED_ENGINES": "Final[set[str]]",
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},
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generator="script.amazon_polly",
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)
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)
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