Update app.py
Browse files
app.py
CHANGED
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@@ -8,7 +8,6 @@ from huggingface_hub import hf_hub_download
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app = FastAPI()
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# Разрешаем все подключения
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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@@ -17,7 +16,6 @@ app.add_middleware(
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allow_headers=["*"],
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)
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# Глобальная переменная для модели
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model = None
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current_id = ""
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@@ -29,39 +27,33 @@ class ChatRequest(BaseModel):
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max_tokens: int = 512
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temperature: float = 0.7
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@app.get("/")
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async def health():
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return {"status": "online", "
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@app.post("/chat")
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async def chat(request: ChatRequest):
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global model, current_id
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new_id = f"{request.repo_id}/{request.filename}"
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try:
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# 1. Загружаем модель, если она еще не в памяти
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if model is None or current_id != new_id:
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print(f"--- Loading model: {new_id} ---")
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if model is not None:
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del model
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gc.collect()
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# Скачивание файла (использует кэш HF)
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path = hf_hub_download(repo_id=request.repo_id, filename=request.filename)
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model = Llama(
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model_path=path,
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n_ctx=2048,
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n_threads=os.cpu_count() or 4,
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n_gpu_layers=0,
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verbose=False
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)
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current_id = new_id
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# 2. Форматируем промпт и генерируем ответ
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full_prompt = f"System: {request.system_prompt}\nUser: {request.prompt}\nAssistant:"
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output = model.create_completion(
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prompt=full_prompt,
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max_tokens=request.max_tokens,
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@@ -73,21 +65,10 @@ async def chat(request: ChatRequest):
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"response": output["choices"][0]["text"].strip(),
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"model": current_id
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}
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except Exception as e:
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print(f"Error: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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if __name__ == "__main__":
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import uvicorn
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# Автоматический вывод ссылки для подключения
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space_id = os.getenv("SPACE_ID")
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if space_id:
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# Прямая ссылка на API для внешних программ
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host_link = f"https://{space_id.replace('/', '-').lower()}.hf.space/chat"
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print("\n" + "="*50)
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print(f"URL ДЛЯ ПОДКЛЮЧЕНИЯ:\n{host_link}")
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print("="*50 + "\n")
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uvicorn.run(app, host="0.0.0.0", port=7860)
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_headers=["*"],
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)
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model = None
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current_id = ""
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max_tokens: int = 512
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temperature: float = 0.7
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# Это главная страница. Если ты перейдешь по ссылке в браузере, ты должен увидеть это:
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@app.get("/")
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async def health():
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return {"status": "online", "message": "API is running. Use POST /chat to interact."}
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@app.post("/chat")
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async def chat(request: ChatRequest):
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global model, current_id
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new_id = f"{request.repo_id}/{request.filename}"
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try:
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if model is None or current_id != new_id:
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if model is not None:
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del model
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gc.collect()
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path = hf_hub_download(repo_id=request.repo_id, filename=request.filename)
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model = Llama(
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model_path=path,
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n_ctx=2048,
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n_threads=os.cpu_count() or 4,
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n_gpu_layers=0,
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verbose=False
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)
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current_id = new_id
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full_prompt = f"System: {request.system_prompt}\nUser: {request.prompt}\nAssistant:"
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output = model.create_completion(
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prompt=full_prompt,
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max_tokens=request.max_tokens,
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"response": output["choices"][0]["text"].strip(),
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"model": current_id
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}
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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if __name__ == "__main__":
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import uvicorn
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# Hugging Face всегда использует порт 7860
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uvicorn.run(app, host="0.0.0.0", port=7860)
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