test_simple.py

import gradio as gr

def create_scene(desc):
    print(f"✅ Python function called with: {desc}")
    return f"Created scene: {desc}"

with gr.Blocks() as demo:
    desc_hidden = gr.Textbox(visible=False, elem_id="desc_hidden")
    btn_hidden = gr.Button("Create", visible=False, elem_id="btn_hidden")
    output = gr.HTML()
    
    btn_hidden.click(create_scene, desc_hidden, output)
    
    demo.load(None, None, None, js="""
    () => {
        console.log('Test loaded');
        window.testCreate = function() {
            const text = prompt('Enter description:');
            if (!text) return;
            
            console.log('Setting value:', text);
            const textarea = document.querySelector('#desc_hidden textarea');
            if (!textarea) {
                console.error('Textarea not found!');
                return;
            }
            
            const nativeInputValueSetter = Object.getOwnPropertyDescriptor(
                window.HTMLTextAreaElement.prototype, 'value'
            ).set;
            nativeInputValueSetter.call(textarea, text);
            textarea.dispatchEvent(new Event('input', {bubbles: true}));
            
            setTimeout(() => {
                const btn = document.querySelector('#btn_hidden');
                if (!btn) {
                    console.error('Button not found!');
                    return;
                }
                console.log('Clicking button');
                btn.click();
            }, 200);
        };
        console.log('testCreate ready');
    }
    """)
    
    gr.HTML('<button onclick="window.testCreate()">Test Create</button>')

demo.launch()