app.py

"""
Minimal Gradio Test - Just read and display OBJ file
"""
import gradio as gr


def test_file_upload(input_file):
    """Simple function to test if file upload works"""
    print("\n" + "="*60)
    print("🔍 TEST FUNCTION CALLED!")
    print(f"Type: {type(input_file)}")
    print(f"Value: {input_file}")
    print("="*60 + "\n")
    
    if input_file is None:
        return "❌ No file uploaded"
    
    try:
        # With type="filepath", input_file is a string path
        file_path = input_file
        
        print(f"File path: {file_path}")
        
        # Read first 10 lines
        with open(file_path, 'r') as f:
            lines = [f.readline() for _ in range(10)]
        
        result = "✅ File uploaded successfully!\n\n"
        result += f"File path: {file_path}\n\n"
        result += "First 10 lines:\n"
        result += "="*50 + "\n"
        result += "".join(lines)
        result += "="*50
        
        print("SUCCESS! Returning result")
        return result
        
    except Exception as e:
        error_msg = f"❌ Error: {str(e)}"
        print(error_msg)
        return error_msg


# Create simple interface
demo = gr.Interface(
    fn=test_file_upload,
    inputs=gr.File(label="Upload OBJ File", file_types=[".obj"], type="filepath"),  # Changed here
    outputs=gr.Textbox(label="Result", lines=15),
    title="🧪 File Upload Test",
    description="Upload an OBJ file to test if Gradio file upload is working."
)


if __name__ == "__main__":
    print("="*60)
    print("Starting minimal Gradio test...")
    print("="*60)
    
    demo.launch(
        server_name="0.0.0.0",
        server_port=7860,
        share=False,
        show_error=True
    )