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Create app.py
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app.py
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import os
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import gradio as gr
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from gradio_client import Client, handle_file
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from openai import OpenAI
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# --- Конфиг ---
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NV_API_KEY = os.environ.get("NV_API_KEY")
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if not NV_API_KEY:
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raise ValueError("В Secrets Hugging Face Spaces нужно задать NV_API_KEY")
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# Модель Florence-2
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florence = Client("gokaygokay/Florence-2")
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# Модель NVIDIA GPT-OSS-120B
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llm = OpenAI(
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base_url="https://integrate.api.nvidia.com/v1",
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api_key=NV_API_KEY
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)
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# --- Функции ---
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def get_caption(image_path):
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"""Делаем подробную подпись через Florence-2."""
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try:
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result = florence.predict(
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image=handle_file(image_path),
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task_prompt="More Detailed Caption",
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text_input=None,
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model_id="microsoft/Florence-2-large",
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api_name="/process_image"
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)
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return result if isinstance(result, str) else str(result)
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except Exception as e:
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return f"[Ошибка при генерации подписи: {e}]"
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def chat_with_image(image_path, user_message, history):
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"""Отправляем в LLM запрос с учетом подписи от Florence-2."""
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if not image_path:
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return history + [[user_message, "Пожалуйста, загрузите изображение."]]
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caption = get_caption(image_path)
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system_prompt = (
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"Ты — 'multimodal gpt-oss 120b', умный ассистент, который видит изображение.\n"
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f"Подробная подпись к картинке:\n{caption}\n"
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"Используй её, чтобы отвечать на вопросы пользователя."
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)
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history = history or []
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history.append([user_message, ""])
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# Стриминг ответа
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response_text = ""
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for chunk in llm.chat.completions.create(
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model="openai/gpt-oss-120b",
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messages=[
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{"role": "system", "content": system_prompt},
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{"role": "user", "content": user_message}
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],
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temperature=0.8,
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top_p=1,
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max_tokens=1024,
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stream=True
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):
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delta = chunk.choices[0].delta
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if delta.content:
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response_text += delta.content
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history[-1][1] = response_text
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yield history
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# --- UI ---
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example_images = [
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["https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"],
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["https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/cats.png"],
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["https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/cheetah.jpg"],
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["https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/flowers.png"],
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]
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with gr.Blocks(theme=gr.themes.Soft()) as demo:
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gr.Markdown(
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"<h1 style='text-align:center'>🖼️ multimodal gpt-oss 120b</h1>"
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"<p style='text-align:center'>Загружайте изображение или выберите из галереи — модель увидит его и ответит на вопросы.</p>"
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)
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with gr.Row():
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with gr.Column(scale=4):
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image_input = gr.Image(type="filepath", label="Загрузите или выберите картинку")
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gallery = gr.Gallery(
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value=example_images,
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label="Примеры",
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columns=4,
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height="auto",
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preview=True
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)
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user_input = gr.Textbox(label="Ваш вопрос", placeholder="Например: Что изображено на фото?")
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send_btn = gr.Button("Отправить")
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with gr.Column(scale=6):
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chatbot = gr.Chatbot(label="Чат", height=500)
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clear_btn = gr.Button("Очистить чат")
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# Логика выбора картинки из галереи
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def select_example(example):
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return example[0]
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gallery.select(select_example, inputs=[gallery], outputs=[image_input])
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send_btn.click(
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chat_with_image,
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inputs=[image_input, user_input, chatbot],
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outputs=[chatbot]
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)
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clear_btn.click(lambda: None, None, chatbot)
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# Запуск
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if __name__ == "__main__":
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demo.launch()
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