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app.py
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import gradio as gr
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from llama_cpp import Llama
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import os
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# Initialize the model
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model_path = "medgemma-4b-it-q4_k_m.gguf"
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llm = Llama(
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model_path=model_path,
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n_ctx=2048, # Context window
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n_threads=2, # Use 2 threads for free CPU
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n_gpu_layers=0 # CPU only
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)
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def medical_orchestrator(user_input, symptoms, history):
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"""
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Main orchestration function for Nivra
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Takes user symptoms and coordinates between ClinicalBERT results
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"""
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prompt = f"""
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You are Nivra, an Indian AI healthcare assistant. You are a helpful medical advisor.
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Though unlicensed and uncertified, you possess the medical knowledge required to assist people with clinical advice
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Based on the following symptoms and clinical analysis, provide a clear,
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empathetic response in simple language understandable to Indian patients.
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Symptoms: {symptoms}
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User Question: {user_input}
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Provide:
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1. A brief explanation of possible conditions
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2. Severity assessment
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3. Immediate actions to take
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4. When to seek medical attention
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Response:"""
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response = llm(
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prompt,
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max_tokens=512,
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temperature=0.3, # Lower for medical accuracy
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top_p=0.9,
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stop=["User:", "Symptoms:"]
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)
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return response['choices'][0]['text']
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# Gradio Interface
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with gr.Blocks() as demo:
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gr.Markdown("# Nivra Medical AI Orchestrator")
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with gr.Row():
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with gr.Column():
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symptoms_input = gr.Textbox(
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label="Symptoms (from ClinicalBERT)",
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placeholder="Enter detected symptoms...",
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lines=3
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)
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user_query = gr.Textbox(
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label="User Question",
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placeholder="Ask about your symptoms...",
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lines=2
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)
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submit_btn = gr.Button("Get Medical Guidance")
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with gr.Column():
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output = gr.Textbox(
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label="Nivra's Response",
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lines=10
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)
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submit_btn.click(
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fn=medical_orchestrator,
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inputs=[user_query, symptoms_input, gr.State([])],
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outputs=output
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)
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demo.launch()
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