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Upload trymistral1.py
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trymistral1.py
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# -*- coding: utf-8 -*-
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"""trymistral1.ipynb
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Automatically generated by Colab.
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Original file is located at
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https://colab.research.google.com/drive/1tBaMrUjepPv483Xhmfh9QbZHtB-SC1wG
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"""
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# to get packages initially installed in colab or in other word, the colab environment
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!pip3 freeze > requirements.txt
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# Step 1: Install the necessary libraries
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!pip install transformers
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!pip install datasets
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!pip install huggingface_hub
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!pip install accelerate bitsandbytes mistral_inference # Make sure to install mistral_inference
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# Step 2: Authenticate with Hugging Face
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from huggingface_hub import login
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# Replace 'your_hf_token' with your actual token
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login(token="")
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!pip install torch
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import torch
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!pip install mistral_inference
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# Install necessary libraries
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!pip install transformers gradio bitsandbytes
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!pip show mistral_inference
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!pip list
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# Step 3: Load the model and tokenizer
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from transformers import AutoTokenizer, MistralForCausalLM
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from transformers import AutoModelForCausalLM, BitsAndBytesConfig
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import gradio as gr
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from PIL import Image
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import io
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import base64
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def image_to_base64(image):
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buffered = io.BytesIO()
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image.save(buffered, format="png")
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img_str = base64.b64encode(buffered.getvalue()).decode('utf-8')
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return img_str
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def chat_with_llava(image, question):
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try:
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# Convert image to base64 (if needed, but LLAVA model might not use images)
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image_b64 = image_to_base64(image)
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# Prepare input
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inputs = tokenizer(question, return_tensors="pt")
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# Generate text
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outputs = model.generate(**inputs)
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generated_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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return generated_text
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except Exception as e:
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return f"Error occurred: {str(e)}"
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model_id = "microsoft/llava-med-v1.5-mistral-7b"
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bnb_config = BitsAndBytesConfig(
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load_in_4bit=True,
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bnb_4bit_use_double_quant=True,
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bnb_4bit_quant_type="nf4",
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bnb_4bit_compute_dtype=torch.bfloat16
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)
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# Load the tokenizer
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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# Load the model using MistralForCausalLM
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# Use the appropriate model class for 'llava_mistral' architecture
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model = MistralForCausalLM.from_pretrained(model_id, quantization_config=bnb_config, device_map="auto")
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# Create a Gradio interface
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iface = gr.Interface(
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fn=chat_with_llava,
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inputs=[gr.Image(type="pil", label="Upload Image"), gr.Textbox(lines=1, label="Ask a question")],
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outputs=gr.Textbox(label="Response"),
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title="LLAVA Model Chat with Image",
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description="Upload an image and ask a question to the LLAVA model.",
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)
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# Launch the Gradio interface
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iface.launch()
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