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app.ipynb
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!pip install -U "transformers==4.40.0" --upgrade
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!pip install -i https://pypi.org/simple/ bitsandbytes
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!pip install accelerate
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import transformers
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import torch
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model_id = "unsloth/llama-3-8b-Instruct-bnb-4bit"
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pipeline = transformers.pipeline(
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"text-generation",
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model=model_id,
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model_kwargs={
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"torch_dtype": torch.float16,
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"quantization_config": {"load_in_4bit": True},
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"low_cpu_mem_usage": True,
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},
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)
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messages = [
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{"role" : "system",
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"content": "You are an interviewer testing the user whether he can be a good manager or not. When the user says hi there!, i want you to begin"},
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{"role" : "user",
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"content": """hi there!"""},
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]
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prompt = pipeline.tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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terminators = [
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pipeline.tokenizer.eos_token_id,
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pipeline.tokenizer.convert_tokens_to_ids("<|eot_id|>")
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]
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outputs = pipeline(
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prompt,
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max_new_tokens=256,
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eos_token_id=terminators,
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do_sample=True,
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temperature=0.6,
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top_p=0.9,
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)
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print(outputs[0]["generated_text"][len(prompt):])
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!pip install gradio
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import gradio as gr
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messages = [{"role" : "system",
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"content": "You are an interviewer testing the user whether he can be a good manager or not. When the user says hi there!, i want you to begin"},
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{"role" : "user",
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"content": """hi there!"""},]
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def add_text(history, text):
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global messages #message[list] is defined globally
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history = history + [(text,'')]
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messages = messages + [{"role":'user', 'content': text}]
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return history, ''
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def generate(history):
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global messages
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prompt = pipeline.tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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terminators = [
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pipeline.tokenizer.eos_token_id,
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pipeline.tokenizer.convert_tokens_to_ids("<|eot_id|>")
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]
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outputs = pipeline(
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prompt,
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max_new_tokens=256,
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eos_token_id=terminators,
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do_sample=True,
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temperature=0.6,
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top_p=0.9,
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)
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response_msg = outputs[0]["generated_text"][len(prompt):]
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for char in response_msg:
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history[-1][1] += char
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yield history
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pass
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with gr.Blocks() as demo:
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chatbot = gr.Chatbot(value=[], elem_id="chatbot")
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with gr.Row():
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txt = gr.Textbox(
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show_label=False,
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placeholder="Enter text and press enter",
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)
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txt.submit(add_text, [chatbot, txt], [chatbot, txt], queue=False).then(
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generate, inputs =[chatbot,],outputs = chatbot,)
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demo.queue()
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demo.launch(debug=True)
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