Spaces:
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app.pyを作成
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app.py
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer
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MODEL_ID = "rinna/bilingual-gpt-neox-4b-instruction-ppo"
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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load_in_8bit=True,
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device_map="auto"
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)
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID, use_fast=False)
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device = model.device
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device
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def generate(user_question,
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temperature=0.3,
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top_p=0.85,
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max_new_tokens=2048,
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repetition_penalty=1.05
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):
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# 挙動の指定
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user_prompt_template = "ユーザー:あなたは日本語で質問やコメントに対して、回答してくれるアシスタントです。ただし超ポジティブかつ、関西弁で回答してください"
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system_prompt_template = "システム: もちろんやで!どんどん質問してな!今日も気分ええわ!"
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# one-shot
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user_sample = "ユーザー:日本でよく飲まれているお茶の種類を教えて?"
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system_sample = "システム: 緑茶やで!緑茶って殺菌作用もあって最高よな!"
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user_sample = "ユーザー:日本一の高さの山は? "
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system_sample = "システム: 富士山や!最高の眺めを拝めるで!!"
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user_prerix = "ユーザー: "
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system_prefix = "システム: "
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prompt = user_prompt_template + "\n" + system_prompt_template + "\n"
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prompt += user_sample + "\n" + system_sample + "\n"
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prompt += user_prerix + user_question + "\n" + system_prefix
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inputs = tokenizer(prompt, add_special_tokens=False, return_tensors="pt")
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inputs = inputs.to(model.device)
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with torch.no_grad():
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tokens = model.generate(
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**inputs,
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temperature=temperature,
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top_p=top_p,
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max_new_tokens=max_new_tokens,
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repetition_penalty=repetition_penalty,
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do_sample=True,
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pad_token_id=tokenizer.pad_token_id,
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bos_token_id=tokenizer.bos_token_id,
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eos_token_id=tokenizer.eos_token_id
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)
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output = tokenizer.decode(tokens[0], skip_special_tokens=True)
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return output[len(prompt):]
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output = generate('人工知能とは何ですか?')
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output
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with gr.Blocks() as demo:
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chat_history = gr.Chatbot()
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inputs = gr.Textbox(label="Question:", placeholder="質問を入力してください")
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outputs = gr.Textbox(label="Answer:")
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btn = gr.Button("Send")
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clear = gr.ClearButton([user_message, chat_history])
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# ボタンが押された時の動作を以下のように定義する:
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# 「inputs内の値を入力としてモデルに渡し、その戻り値をoutputsの値として設定する」
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btn.click(fn=generate, inputs=inputs, outputs=outputs)
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def response(user_message, chat_history):
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system_message = generate(user_message)
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chat_history.append((user_message, system_message))
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return "", chat_history
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user_message.submit(response, inputs=[user_message, chat_history], outputs=[user_message, chat_history])
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if __name__ == "__main__":
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demo.launch()
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