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from io import BytesIO | |
import requests | |
from os.path import exists, join | |
from TTS.utils.synthesizer import Synthesizer | |
from enum import Enum | |
from .formatter import preprocess_text | |
from torch import no_grad | |
class Voices(Enum): | |
"""List of available voices for the model.""" | |
Olena = "olena" | |
Mykyta = "mykyta" | |
Lada = "lada" | |
Dmytro = "dmytro" | |
Olga = "olga" | |
class Stress(Enum): | |
"""Options how to stress sentence. | |
- `dictionary` - performs lookup in dictionary, taking into account grammatical case of a word and its' neighbors | |
- `model` - stress using transformer model""" | |
Dictionary = "dictionary" | |
Model = "model" | |
class TTS: | |
""" | |
""" | |
def __init__(self, cache_folder=None, use_cuda=False) -> None: | |
""" | |
Class to setup a text-to-speech engine, from download to model creation. \n | |
Downloads or uses files from `cache_folder` directory. \n | |
By default stores in current directory.""" | |
self.__setup_cache(cache_folder, use_cuda=use_cuda) | |
def tts(self, text: str, voice: str, stress: str, output_fp=BytesIO()): | |
""" | |
Run a Text-to-Speech engine and output to `output_fp` BytesIO-like object. | |
- `text` - your model input text. | |
- `voice` - one of predefined voices from `Voices` enum. | |
- `stress` - stress method options, predefined in `Stress` enum. | |
- `output_fp` - file-like object output. Stores in RAM by default. | |
""" | |
if stress not in [option.value for option in Stress]: | |
raise ValueError(f"Invalid value for stress option selected! Please use one of the following values: {', '.join([option.value for option in Stress])}.") | |
if stress == Stress.Model.value: | |
stress = True | |
else: | |
stress = False | |
if voice not in [option.value for option in Voices]: | |
raise ValueError(f"Invalid value for voice selected! Please use one of the following values: {', '.join([option.value for option in Voices])}.") | |
text = preprocess_text(text, stress) | |
with no_grad(): | |
wavs = self.synthesizer.tts(text, speaker_name=voice) | |
self.synthesizer.save_wav(wavs, output_fp) | |
output_fp.seek(0) | |
return output_fp, text | |
def __setup_cache(self, cache_folder=None, use_cuda=False): | |
"""Downloads models and stores them into `cache_folder`. By default stores in current directory.""" | |
print("downloading uk/mykyta/vits-tts") | |
release_number = "v3.0.0" | |
model_link = f"https://github.com/robinhad/ukrainian-tts/releases/download/{release_number}/model-inference.pth" | |
config_link = f"https://github.com/robinhad/ukrainian-tts/releases/download/{release_number}/config.json" | |
speakers_link = f"https://github.com/robinhad/ukrainian-tts/releases/download/{release_number}/speakers.pth" | |
if cache_folder is None: | |
cache_folder = "." | |
model_path = join(cache_folder, "model.pth") | |
config_path = join(cache_folder, "config.json") | |
speakers_path = join(cache_folder, "speakers.pth") | |
self.__download(model_link, model_path) | |
self.__download(config_link, config_path) | |
self.__download(speakers_link, speakers_path) | |
self.synthesizer = Synthesizer( | |
model_path, | |
config_path, | |
speakers_path, | |
None, | |
None, | |
use_cuda=use_cuda | |
) | |
if self.synthesizer is None: | |
raise NameError("Model not found") | |
def __download(self, url, file_name): | |
"""Downloads file from `url` into local `file_name` file.""" | |
if not exists(file_name): | |
print(f"Downloading {file_name}") | |
r = requests.get(url, allow_redirects=True) | |
with open(file_name, "wb") as file: | |
file.write(r.content) | |
else: | |
print(f"Found {file_name}. Skipping download...") | |