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