""" Style-Bert-VITS2-Editor用のサーバー。 次のリポジトリ https://github.com/litagin02/Style-Bert-VITS2-Editor をビルドしてできあがったファイルをWebフォルダに入れて実行する。 TODO: リファクタリングやドキュメンテーションやAPI整理、辞書周りの改善などが必要。 """ import argparse import io import shutil import sys import webbrowser import zipfile from datetime import datetime from io import BytesIO from pathlib import Path import yaml import numpy as np import pyopenjtalk import requests import torch import uvicorn from fastapi import APIRouter, FastAPI, HTTPException, status from fastapi.middleware.cors import CORSMiddleware from fastapi.responses import JSONResponse, Response from fastapi.staticfiles import StaticFiles from pydantic import BaseModel from scipy.io import wavfile from common.constants import ( DEFAULT_ASSIST_TEXT_WEIGHT, DEFAULT_NOISE, DEFAULT_NOISEW, DEFAULT_SDP_RATIO, DEFAULT_STYLE, DEFAULT_STYLE_WEIGHT, LATEST_VERSION, Languages, ) from common.log import logger from common.tts_model import ModelHolder from text.japanese import g2kata_tone, kata_tone2phone_tone from text.user_dict import apply_word, update_dict, read_dict, rewrite_word, delete_word # ---フロントエンド部分に関する処理--- # エディターのビルドファイルを配置するディレクトリ STATIC_DIR = Path("static") # エディターの最新のビルドファイルのダウンロード日時を記録するファイル LAST_DOWNLOAD_FILE = STATIC_DIR / "last_download.txt" def download_static_files(user, repo, asset_name): """Style-Bert-VITS2エディターの最新のビルドzipをダウンロードして展開する。""" logger.info("Checking for new release...") latest_release = get_latest_release(user, repo) if latest_release is None: logger.warning( "Failed to fetch the latest release. Proceeding without static files." ) return if not new_release_available(latest_release): logger.info("No new release available. Proceeding with existing static files.") return logger.info("New release available. Downloading static files...") asset_url = get_asset_url(latest_release, asset_name) if asset_url: if STATIC_DIR.exists(): shutil.rmtree(STATIC_DIR) STATIC_DIR.mkdir(parents=True, exist_ok=True) download_and_extract(asset_url, STATIC_DIR) save_last_download(latest_release) else: logger.warning("Asset not found. Proceeding without static files.") def get_latest_release(user, repo): url = f"https://api.github.com/repos/{user}/{repo}/releases/latest" try: response = requests.get(url) response.raise_for_status() return response.json() except requests.RequestException: return None def get_asset_url(release, asset_name): for asset in release["assets"]: if asset["name"] == asset_name: return asset["browser_download_url"] return None def download_and_extract(url, extract_to: Path): response = requests.get(url) response.raise_for_status() with zipfile.ZipFile(io.BytesIO(response.content)) as zip_ref: zip_ref.extractall(extract_to) # 展開先が1つのディレクトリだけの場合、その中身を直下に移動する extracted_dirs = list(extract_to.iterdir()) if len(extracted_dirs) == 1 and extracted_dirs[0].is_dir(): for file in extracted_dirs[0].iterdir(): file.rename(extract_to / file.name) extracted_dirs[0].rmdir() # index.htmlが存在するかチェック if not (extract_to / "index.html").exists(): logger.warning("index.html not found in the extracted files.") def new_release_available(latest_release): if LAST_DOWNLOAD_FILE.exists(): with open(LAST_DOWNLOAD_FILE, "r") as file: last_download_str = file.read().strip() # 'Z'を除去して日時オブジェクトに変換 last_download_str = last_download_str.replace("Z", "+00:00") last_download = datetime.fromisoformat(last_download_str) return ( datetime.fromisoformat( latest_release["published_at"].replace("Z", "+00:00") ) > last_download ) return True def save_last_download(latest_release): with open(LAST_DOWNLOAD_FILE, "w") as file: file.write(latest_release["published_at"]) # ---フロントエンド部分に関する処理ここまで--- # 以降はAPIの設定 class AudioResponse(Response): media_type = "audio/wav" origins = [ "http://localhost:3000", "http://localhost:8000", "http://127.0.0.1:3000", "http://127.0.0.1:8000", ] # Get path settings with open(Path("configs/paths.yml"), "r", encoding="utf-8") as f: path_config: dict[str, str] = yaml.safe_load(f.read()) # dataset_root = path_config["dataset_root"] assets_root = path_config["assets_root"] parser = argparse.ArgumentParser() parser.add_argument("--model_dir", type=str, default="model_assets/") parser.add_argument("--device", type=str, default="cuda") parser.add_argument("--port", type=int, default=8000) parser.add_argument("--inbrowser", action="store_true") parser.add_argument("--line_length", type=int, default=None) parser.add_argument("--line_count", type=int, default=None) parser.add_argument( "--dir", "-d", type=str, help="Model directory", default=assets_root ) args = parser.parse_args() device = args.device if device == "cuda" and not torch.cuda.is_available(): device = "cpu" model_dir = Path(args.model_dir) port = int(args.port) model_holder = ModelHolder(model_dir, device) if len(model_holder.model_names) == 0: logger.error(f"Models not found in {model_dir}.") sys.exit(1) app = FastAPI() app.add_middleware( CORSMiddleware, allow_origins=origins, allow_credentials=True, allow_methods=["*"], allow_headers=["*"], ) router = APIRouter() @router.get("/version") def version() -> str: return LATEST_VERSION class MoraTone(BaseModel): mora: str tone: int class G2PRequest(BaseModel): text: str @router.post("/g2p") async def read_item(item: G2PRequest): try: kata_tone_list = g2kata_tone(item.text, ignore_unknown=True) except Exception as e: raise HTTPException( status_code=400, detail=f"Failed to convert {item.text} to katakana and tone, {e}", ) return [MoraTone(mora=kata, tone=tone) for kata, tone in kata_tone_list] @router.get("/models_info") def models_info(): return model_holder.models_info() class SynthesisRequest(BaseModel): model: str modelFile: str text: str moraToneList: list[MoraTone] style: str = DEFAULT_STYLE styleWeight: float = DEFAULT_STYLE_WEIGHT assistText: str = "" assistTextWeight: float = DEFAULT_ASSIST_TEXT_WEIGHT speed: float = 1.0 noise: float = DEFAULT_NOISE noisew: float = DEFAULT_NOISEW sdpRatio: float = DEFAULT_SDP_RATIO language: Languages = Languages.JP silenceAfter: float = 0.5 pitchScale: float = 1.0 intonationScale: float = 1.0 @router.post("/synthesis", response_class=AudioResponse) def synthesis(request: SynthesisRequest): if args.line_length is not None and len(request.text) > args.line_length: raise HTTPException( status_code=400, detail=f"1行の文字数は{args.line_length}文字以下にしてください。", ) try: model = model_holder.load_model( model_name=request.model, model_path_str=request.modelFile ) except Exception as e: logger.error(e) raise HTTPException( status_code=500, detail=f"Failed to load model {request.model} from {request.modelFile}, {e}", ) text = request.text kata_tone_list = [ (mora_tone.mora, mora_tone.tone) for mora_tone in request.moraToneList ] phone_tone = kata_tone2phone_tone(kata_tone_list) tone = [t for _, t in phone_tone] sr, audio = model.infer( text=text, language=request.language.value, sdp_ratio=request.sdpRatio, noise=request.noise, noisew=request.noisew, length=1 / request.speed, given_tone=tone, style=request.style, style_weight=request.styleWeight, assist_text=request.assistText, assist_text_weight=request.assistTextWeight, use_assist_text=bool(request.assistText), line_split=False, ignore_unknown=True, pitch_scale=request.pitchScale, intonation_scale=request.intonationScale, ) with BytesIO() as wavContent: wavfile.write(wavContent, sr, audio) return Response(content=wavContent.getvalue(), media_type="audio/wav") class MultiSynthesisRequest(BaseModel): lines: list[SynthesisRequest] @router.post("/multi_synthesis", response_class=AudioResponse) def multi_synthesis(request: MultiSynthesisRequest): lines = request.lines if args.line_count is not None and len(lines) > args.line_count: raise HTTPException( status_code=400, detail=f"行数は{args.line_count}行以下にしてください。", ) audios = [] for i, req in enumerate(lines): if args.line_length is not None and len(req.text) > args.line_length: raise HTTPException( status_code=400, detail=f"1行の文字数は{args.line_length}文字以下にしてください。", ) try: model = model_holder.load_model( model_name=req.model, model_path_str=req.modelFile ) except Exception as e: logger.error(e) raise HTTPException( status_code=500, detail=f"Failed to load model {req.model} from {req.modelFile}, {e}", ) text = req.text kata_tone_list = [ (mora_tone.mora, mora_tone.tone) for mora_tone in req.moraToneList ] phone_tone = kata_tone2phone_tone(kata_tone_list) tone = [t for _, t in phone_tone] sr, audio = model.infer( text=text, language=req.language.value, sdp_ratio=req.sdpRatio, noise=req.noise, noisew=req.noisew, length=1 / req.speed, given_tone=tone, style=req.style, style_weight=req.styleWeight, assist_text=req.assistText, assist_text_weight=req.assistTextWeight, use_assist_text=bool(req.assistText), line_split=False, ignore_unknown=True, pitch_scale=req.pitchScale, intonation_scale=req.intonationScale, ) audios.append(audio) if i < len(lines) - 1: silence = int(sr * req.silenceAfter) audios.append(np.zeros(silence, dtype=np.int16)) audio = np.concatenate(audios) with BytesIO() as wavContent: wavfile.write(wavContent, sr, audio) return Response(content=wavContent.getvalue(), media_type="audio/wav") class UserDictWordRequest(BaseModel): surface: str pronunciation: str accent_type: int # アクセント核位置(存在しない場合は0、1文字目は1) priority: int = 5 @router.get("/user_dict") def get_user_dict(): return read_dict() @router.post("/user_dict_word") def add_user_dict_word(request: UserDictWordRequest): uuid = apply_word( surface=request.surface, pronunciation=request.pronunciation, accent_type=request.accent_type, priority=request.priority, ) update_dict() return JSONResponse( status_code=status.HTTP_201_CREATED, content={"uuid": uuid}, ) @router.put("/user_dict_word/{uuid}") def update_user_dict_word(uuid: str, request: UserDictWordRequest): rewrite_word( word_uuid=uuid, surface=request.surface, pronunciation=request.pronunciation, accent_type=request.accent_type, priority=request.priority, ) update_dict() return JSONResponse(status_code=status.HTTP_200_OK, content={"uuid": uuid}) @router.delete("/user_dict_word/{uuid}") def delete_user_dict_word(uuid: str): delete_word(uuid) update_dict() return JSONResponse(status_code=status.HTTP_200_OK, content={"uuid": uuid}) app.include_router(router, prefix="/api") if __name__ == "__main__": download_static_files("litagin02", "Style-Bert-VITS2-Editor", "out.zip") app.mount("/", StaticFiles(directory=STATIC_DIR, html=True), name="static") if args.inbrowser: webbrowser.open(f"http://localhost:{port}") uvicorn.run(app, host="0.0.0.0", port=port)