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Update app.py
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app.py
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# Запуск при старте контейнера, чтобы модель скачалась сразу
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if __name__ == "__main__":
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demo.queue().launch()
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import os
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import sys
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import subprocess
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# --- ХАК ДЛЯ УСТАНОВКИ LLAMA-CPP-PYTHON ---
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# Устанавливаем библиотеку при запуске, чтобы избежать компиляции во время сборки Space
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try:
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import llama_cpp
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print("llama-cpp-python уже установлен.")
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except ImportError:
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print("Установка llama-cpp-python из пресобранного wheel (CPU)...")
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# Используем pre-built wheel для Linux x86_64 (избегаем компиляции)
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subprocess.check_call([
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sys.executable, "-m", "pip", "install",
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"llama-cpp-python",
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"--extra-index-url", "https://abetlen.github.io/llama-cpp-python/whl/cpu"
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])
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print("Установка завершена!")
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import llama_cpp
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# ------------------------------------------
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import gradio as gr
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from llama_cpp import Llama
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from huggingface_hub import hf_hub_download
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import base64
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import io
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import re
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# Настройки модели
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REPO_ID = "mradermacher/VisualQuality-R1-7B-GGUF"
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MODEL_FILENAME = "VisualQuality-R1-7B.Q8_0.gguf"
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llm = None
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def load_model():
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global llm
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if llm is None:
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print(f"Загрузка модели {MODEL_FILENAME}...")
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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=MODEL_FILENAME
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)
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llm = Llama(
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model_path=model_path,
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n_ctx=8192,
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n_gpu_layers=0,
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verbose=True,
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chat_format="chatml-function-calling"
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)
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print("Модель успешно загружена!")
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except Exception as e:
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print(f"Ошибка загрузки: {e}")
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raise e
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return llm
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def image_to_base64(image):
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buffered = io.BytesIO()
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image.save(buffered, format="JPEG")
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return base64.b64encode(buffered.getvalue()).decode('utf-8')
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def evaluate_image(image, progress=gr.Progress()):
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if image is None:
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return "Пожалуйста, загрузите изображение.", ""
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# Ленивая загрузка модели при первом запросе
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model = load_model()
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system_prompt = "You are doing the image quality assessment task."
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user_prompt_text = (
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"What is your overall rating on the quality of this picture? "
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"The rating should be a float between 1 and 5, rounded to two decimal places, "
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"with 1 representing very poor quality and 5 representing excellent quality. "
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"Please only output the final answer with only one score in <answer> </answer> tags."
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)
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base64_image = image_to_base64(image)
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image_url = f"data:image/jpeg;base64,{base64_image}"
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messages = [
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{"role": "system", "content": system_prompt},
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{
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"role": "user",
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"content": [
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{"type": "image_url", "image_url": {"url": image_url}},
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{"type": "text", "text": user_prompt_text}
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]
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}
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]
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full_response = ""
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print("Начало генерации...")
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stream = model.create_chat_completion(
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messages=messages,
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max_tokens=1024,
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temperature=0.6,
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stream=True
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)
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for chunk in stream:
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if "choices" in chunk:
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delta = chunk["choices"][0]["delta"]
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if "content" in delta and delta["content"]:
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content = delta["content"]
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full_response += content
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yield full_response, "Вычисляется..."
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score_match = re.search(r'<answer>\s*([\d\.]+)\s*</answer>', full_response)
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final_score = score_match.group(1) if score_match else "Не найдено"
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yield full_response, final_score
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with gr.Blocks(title="VisualQuality-R1 (Q8 GGUF)") as demo:
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gr.Markdown("# 👁️ VisualQuality-R1 (7B Q8)")
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gr.Markdown("Оценка качества изображений (Chain of Thought). Работает на CPU.")
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with gr.Row():
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with gr.Column():
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input_img = gr.Image(type="pil", label="Загрузите изображение")
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run_btn = gr.Button("Оценить качество", variant="primary")
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with gr.Column():
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output_score = gr.Label(label="Итоговая оценка")
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output_text = gr.Textbox(label="Ход мыслей (CoT)", lines=15, show_copy_button=True)
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run_btn.click(evaluate_image, inputs=[input_img], outputs=[output_text, output_score])
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if __name__ == "__main__":
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demo.queue().launch()
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