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app.py
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import gradio as gr
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from unsloth import FastLanguageModel
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from transformers import BitsAndBytesConfig
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import torch
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# Model configuration
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model_name = "unsloth/llama-3-8b-bnb-4bit"
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max_seq_length = 512
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dtype = None
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load_in_4bit = True
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# Load model and tokenizer
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model, tokenizer = FastLanguageModel.from_pretrained(
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model_name=model_name,
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max_seq_length=2048,
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dtype=None,
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device_map="cpu",
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load_in_4bit=True,
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)
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device = torch.device('cpu')
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model = FastLanguageModel().to(device)
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FastLanguageModel.for_inference(model)
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# Define Alpaca prompt format
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alpaca_prompt = """
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### Instruction:
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{0}
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### Input:
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{1}
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### Response:
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{2}
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"""
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# Function to generate response
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def generate_response(user_input):
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prompt = alpaca_prompt.format(user_input, "", "")
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inputs = tokenizer([prompt], return_tensors="pt").to("cpu")
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outputs = model.generate(**inputs, max_new_tokens=64, use_cache=True)
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response = tokenizer.batch_decode(outputs, skip_special_tokens=True)
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return response[0]
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# Gradio interface
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iface = gr.Interface(
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fn=generate_response,
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inputs=gr.inputs.Textbox(lines=2, placeholder="یه چیزی بپرس...", label="Input"),
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outputs=gr.outputs.Textbox(label="Response"),
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title="Parviz Chat Bot",
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description="Ask a question in Persian or English."
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)
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# Launch the interface
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iface.launch()
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