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Update app.py
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app.py
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from fastapi import FastAPI
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from pydantic import BaseModel
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from llama_cpp import Llama
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from huggingface_hub import hf_hub_download
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from fastapi.middleware.cors import CORSMiddleware
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#
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)
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#
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)
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{
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<|im_start|>
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from fastapi import FastAPI
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from pydantic import BaseModel
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from llama_cpp import Llama
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from huggingface_hub import hf_hub_download
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from fastapi.middleware.cors import CORSMiddleware
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import os
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# --- КОНФИГУРАЦИЯ МОДЕЛИ ---
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# Qwen2.5-7B-Instruct (Умная, мощная, русский язык)
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REPO_ID = "Qwen/Qwen2.5-7B-Instruct-GGUF"
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FILENAME = "qwen2.5-7b-instruct-q4_k_m.gguf"
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print(f"System: Начинаю загрузку модели {FILENAME}...")
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# Скачиваем модель. Благодаря ENV HF_HOME в Dockerfile, она скачается в /app/cache
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try:
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model_path = hf_hub_download(
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repo_id=REPO_ID,
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filename=FILENAME
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)
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print(f"System: Модель готова по пути {model_path}")
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except Exception as e:
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print(f"CRITICAL ERROR: Не удалось скачать модель. {e}")
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raise e
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# --- ИНИЦИАЛИЗАЦИЯ LLM ---
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print("System: Запуск нейросети в память...")
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llm = Llama(
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model_path=model_path,
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n_ctx=8192, # Большой контекст
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n_threads=4, # На HF Spaces обычно 2-4 vCPU
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verbose=False # Меньше мусора в логах
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)
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print("System: Apex Engine готов к работе.")
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# --- API ---
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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_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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class AnalysisRequest(BaseModel):
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context: str
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query: str
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@app.get("/")
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def home():
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return {"status": "Apex Engine (7B Model) is Online", "space": "HuggingFace"}
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@app.post("/analyze")
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def analyze(req: AnalysisRequest):
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# Строгий системный промпт для умных ответов
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prompt = f"""<|im_start|>system
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Ты — Apex, передовой аналитический ИИ.
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Твоя задача: проанализировать контекст и дать подробный, логичный и обоснованный ответ на русском языке.
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Используй академический стиль, но говори понятно.
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<|im_end|>
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<|im_start|>user
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Контекст:
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{req.context}
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Вопрос:
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{req.query}
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<|im_end|>
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<|im_start|>assistant
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"""
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output = llm(
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prompt,
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max_tokens=1024,
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temperature=0.3,
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top_p=0.9,
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stop=["<|im_end|>"],
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echo=False
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)
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return {"result": output["choices"][0]["text"].strip()}
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