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app.py
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import torch
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from peft import AutoPeftModelForCausalLM
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from transformers import AutoTokenizer, pipeline
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import gradio as gr
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peft_model_id = "Pr123/TinyLlama-EA-Chat"
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# Load Model with PEFT adapter
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model = AutoPeftModelForCausalLM.from_pretrained(
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peft_model_id,
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device_map="auto",
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torch_dtype=torch.float16
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)
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tokenizer = AutoTokenizer.from_pretrained(peft_model_id)
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pipe = pipeline("text-generation", model=model, tokenizer=tokenizer, max_length=500)
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def chat_with_tinyllm(prompt):
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instruction = "Answer the following question: if you don't know the answer, just say that you don't know; don't try to make up an answer."
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prompt_content = f"<s>[INST] <<SYS>>{instruction}<</SYS>>{prompt}[/INST]"
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result = pipe(prompt_content)
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result = result[0]['generated_text'].split('[/INST]')[-1]
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return result
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def chat_interface():
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iface = gr.Interface(
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fn=chat_with_tinyllm,
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inputs=gr.inputs.Textbox(lines=2, placeholder="Type your question here..."),
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outputs="text",
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title="Chat with TinyLlama",
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description="This is a simple chatbot powered by a fine-tuned model on Hugging Face. If it doesn't know the answer, it will say so.")
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return iface
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iface = chat_interface()
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iface.launch()
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