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Update backend/app.py
Browse files- backend/app.py +66 -66
backend/app.py
CHANGED
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@@ -1,67 +1,67 @@
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from fastapi import FastAPI, UploadFile, File
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse, FileResponse
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from fastapi.staticfiles import StaticFiles
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import os
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from midi_utils import process_midi
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app = FastAPI()
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# 核心MIDI处理API
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@app.post("/process-midi")
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async def process_midi_file(file: UploadFile = File(...)):
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try:
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print(f"Processing MIDI file: {file.filename}")
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midi_data = await file.read()
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processed_data = process_midi(midi_data)
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return StreamingResponse(
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processed_data,
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media_type="audio/midi",
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headers={"Content-Disposition": f"attachment; filename=processed_{file.filename}"}
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)
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except Exception as e:
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print(f"Error processing MIDI: {e}")
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return {"error": str(e)}
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@app.get("/health")
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def health_check():
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return {"status": "OK", "version": "1.1.0"}
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# --- 新增部分:提供前端服务 ---
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# 挂载静态文件目录,所有Next.js生成的文件都在这里
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# '/_next', '/favicon.ico' 等请求会由这里处理
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app.mount("/_next", StaticFiles(directory="static/_next"), name="next-assets")
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# 定义一个捕获所有路径的路由,作为单页应用(SPA)的入口
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# 任何未匹配到API的GET请求,都返回index.html
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@app.get("/{full_path:path}")
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async def serve_react_app(full_path: str):
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# 检查请求的文件是否存在于static目录中
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file_path = os.path.join("static", full_path)
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if os.path.exists(file_path) and os.path.isfile(file_path):
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return FileResponse(file_path)
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# 如果是目录或不存在,则默认返回主页
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return FileResponse("static/index.html")
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# 确保根路径'/'也返回index.html
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@app.get("/")
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async def root():
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return FileResponse('static/index.html')
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# (可选,但推荐) 移除CORS,因为前后端现在是同源的
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# 如果您仍希望从其他地方调用API,可以保留
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# app.add_middleware(
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# CORSMiddleware,
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# allow_origins=["*"],
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# allow_methods=["*"],
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# allow_headers=["*"],
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# )
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if __name__ == "__main__":
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import uvicorn
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# Hugging Face Spaces 默认使用 7860 端口
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uvicorn.run(app, host="0.0.0.0", port=7860)
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from fastapi import FastAPI, UploadFile, File
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse, FileResponse
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from fastapi.staticfiles import StaticFiles
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import os
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from midi_utils import process_midi
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app = FastAPI()
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# 核心MIDI处理API
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@app.post("/process-midi")
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async def process_midi_file(file: UploadFile = File(...)):
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try:
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print(f"Processing MIDI file: {file.filename}")
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midi_data = await file.read()
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processed_data = process_midi(midi_data)
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return StreamingResponse(
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processed_data,
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media_type="audio/midi",
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headers={"Content-Disposition": f"attachment; filename=processed_{file.filename}"}
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)
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except Exception as e:
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print(f"Error processing MIDI: {e}")
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return {"error": str(e)}
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@app.get("/health")
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def health_check():
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return {"status": "OK", "version": "1.1.0"}
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+
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# --- 新增部分:提供前端服务 ---
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+
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| 33 |
+
# 挂载静态文件目录,所有Next.js生成的文件都在这里
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+
# '/_next', '/favicon.ico' 等请求会由这里处理
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app.mount("/_next", StaticFiles(directory="static/_next"), name="next-assets")
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+
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+
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+
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+
# 定义一个捕获所有路径的路由,作为单页应用(SPA)的入口
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# 任何未匹配到API的GET请求,都返回index.html
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@app.get("/{full_path:path}")
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async def serve_react_app(full_path: str):
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# 检查请求的文件是否存在于static目录中
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file_path = os.path.join("static", full_path)
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if os.path.exists(file_path) and os.path.isfile(file_path):
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return FileResponse(file_path)
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# 如果是目录或不存在,则默认返回主页
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return FileResponse("static/index.html")
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# 确保根路径'/'也返回index.html
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@app.get("/")
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async def root():
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return FileResponse('static/index.html')
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+
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+
# (可选,但推荐) 移除CORS,因为前后端现在是同源的
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| 56 |
+
# 如果您仍希望从其他地方调用API,可以保留
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# app.add_middleware(
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# CORSMiddleware,
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# allow_origins=["*"],
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# allow_methods=["*"],
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# allow_headers=["*"],
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# )
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if __name__ == "__main__":
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import uvicorn
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# Hugging Face Spaces 默认使用 7860 端口
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uvicorn.run(app, host="0.0.0.0", port=7860)
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