Update app.py
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app.py
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# app.py
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import gradio as gr
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history = history or []
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history.append(
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fn=
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type="messages",
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)
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if __name__ == "__main__":
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# app.py
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import gradio as gr
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from transformers import pipeline
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# Инициализируем модель text-generation (например, LLaMA / smolLM)
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chat_model = pipeline(
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"text-generation",
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model="HuggingFaceTB/SmolLM2-135M-Instruct",
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device_map="auto", # вариант: "cpu" если без GPU
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)
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def chat_fn(message, history):
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"""
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message: str — запрос пользователя
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history: list of dict {'role':..., 'content':...}
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"""
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history = history or []
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# Добавляем сообщение пользователя в историю
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history.append({"role": "user", "content": message})
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# Формируем вход для модели
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full_prompt = "\n".join(f"{m['role']}: {m['content']}" for m in history)
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output = chat_model(full_prompt, max_new_tokens=100, do_sample=True)
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reply = output[0]["generated_text"].split(full_prompt)[-1].strip()
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# Добавляем ответ в историю
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history.append({"role": "assistant", "content": reply})
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return reply, history
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iface = gr.ChatInterface(
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fn=chat_fn,
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type="messages",
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title="Gradio + transformers Chat",
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examples=["Привет!", "Расскажи анекдот", "Что такое LLaMA?"],
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)
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if __name__ == "__main__":
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iface.launch()
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