Create app.py
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app.py
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import gradio as gr
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from openvino_genai import VLMPipeline
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from PIL import Image
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import numpy as np
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# 1. Load the OpenVINO Optimized Model (INT4 for CPU Speed)
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# We use a specific path/repo for the converted OpenVINO version
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model_path = "OpenVINO/gemma-3-4b-it-int4-ov"
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device = "CPU"
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print("Loading model... this may take a moment.")
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pipe = VLMPipeline(model_path, device)
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# 2. Define the Inference Function
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def generate_response(text_prompt, input_image=None):
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try:
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# Configuration for generation
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config = {
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"max_new_tokens": 512,
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"do_sample": True,
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"temperature": 0.7,
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"top_p": 0.9,
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}
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# If an image is provided, the pipeline handles it natively
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if input_image is not None:
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# Gemma 3/VLM prompt formatting usually requires the image first
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output = pipe.generate(text_prompt, image=input_image, **config)
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else:
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# Text-only mode
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output = pipe.generate(text_prompt, **config)
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return output
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except Exception as e:
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return f"Error: {str(e)}"
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# 3. Create the Gradio Interface
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with gr.Blocks() as demo:
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gr.Markdown("# Gemma 3 4B - Discord Backend")
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with gr.Row():
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txt_input = gr.Textbox(label="Prompt")
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img_input = gr.Image(type="pil", label="Image (Optional)")
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output = gr.Textbox(label="Response")
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submit_btn = gr.Button("Generate")
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submit_btn.click(fn=generate_response, inputs=[txt_input, img_input], outputs=output)
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# 4. Launch (API is automatically enabled)
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demo.launch()
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