114 lines
5.0 KiB
Python
114 lines
5.0 KiB
Python
from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from contextlib import asynccontextmanager
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import os
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from app.db import Base, engine
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from app.routers import assistants, history, knowledge
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# 配置
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PORT = int(os.getenv("PORT", 8100))
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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# 启动时创建表
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Base.metadata.create_all(bind=engine)
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yield
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app = FastAPI(
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title="AI VideoAssistant API",
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description="Backend API for AI VideoAssistant",
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version="1.0.0",
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lifespan=lifespan
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)
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# CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# 路由
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app.include_router(assistants.router, prefix="/api")
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app.include_router(history.router, prefix="/api")
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app.include_router(knowledge.router, prefix="/api")
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@app.get("/")
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def root():
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return {"message": "AI VideoAssistant API", "version": "1.0.0"}
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@app.get("/health")
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def health():
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return {"status": "ok"}
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# 初始化默认数据
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@app.on_event("startup")
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def init_default_data():
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from sqlalchemy.orm import Session
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from app.db import SessionLocal
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from app.models import Voice
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db = SessionLocal()
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try:
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# 检查是否已有数据
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if db.query(Voice).count() == 0:
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# SiliconFlow CosyVoice 2.0 预设声音 (8个)
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# 参考: https://docs.siliconflow.cn/cn/api-reference/audio/create-speech
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voices = [
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# 男声 (Male Voices)
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Voice(id="alex", name="Alex", vendor="SiliconFlow", gender="Male", language="en",
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description="Steady male voice.", is_system=True),
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Voice(id="benjamin", name="Benjamin", vendor="SiliconFlow", gender="Male", language="en",
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description="Deep male voice.", is_system=True),
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Voice(id="charles", name="Charles", vendor="SiliconFlow", gender="Male", language="en",
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description="Magnetic male voice.", is_system=True),
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Voice(id="david", name="David", vendor="SiliconFlow", gender="Male", language="en",
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description="Cheerful male voice.", is_system=True),
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# 女声 (Female Voices)
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Voice(id="anna", name="Anna", vendor="SiliconFlow", gender="Female", language="en",
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description="Steady female voice.", is_system=True),
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Voice(id="bella", name="Bella", vendor="SiliconFlow", gender="Female", language="en",
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description="Passionate female voice.", is_system=True),
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Voice(id="claire", name="Claire", vendor="SiliconFlow", gender="Female", language="en",
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description="Gentle female voice.", is_system=True),
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Voice(id="diana", name="Diana", vendor="SiliconFlow", gender="Female", language="en",
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description="Cheerful female voice.", is_system=True),
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# 中文方言 (Chinese Dialects) - 可选扩展
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Voice(id="amador", name="Amador", vendor="SiliconFlow", gender="Male", language="zh",
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description="Male voice with Spanish accent."),
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Voice(id="aelora", name="Aelora", vendor="SiliconFlow", gender="Female", language="en",
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description="Elegant female voice."),
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Voice(id="aelwin", name="Aelwin", vendor="SiliconFlow", gender="Male", language="en",
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description="Deep male voice."),
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Voice(id="blooming", name="Blooming", vendor="SiliconFlow", gender="Female", language="en",
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description="Fresh and clear female voice."),
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Voice(id="elysia", name="Elysia", vendor="SiliconFlow", gender="Female", language="en",
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description="Smooth and silky female voice."),
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Voice(id="leo", name="Leo", vendor="SiliconFlow", gender="Male", language="en",
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description="Young male voice."),
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Voice(id="lin", name="Lin", vendor="SiliconFlow", gender="Female", language="zh",
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description="Standard Chinese female voice."),
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Voice(id="rose", name="Rose", vendor="SiliconFlow", gender="Female", language="en",
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description="Soft and gentle female voice."),
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Voice(id="shao", name="Shao", vendor="SiliconFlow", gender="Male", language="zh",
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description="Deep Chinese male voice."),
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Voice(id="sky", name="Sky", vendor="SiliconFlow", gender="Male", language="en",
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description="Clear and bright male voice."),
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Voice(id="ael西山", name="Ael西山", vendor="SiliconFlow", gender="Female", language="zh",
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description="Female voice with Chinese dialect."),
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]
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for v in voices:
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db.add(v)
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db.commit()
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print("✅ 默认声音数据已初始化 (SiliconFlow CosyVoice 2.0)")
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finally:
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db.close()
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