minimal_dpg_test.py

#!/usr/bin/env python3
"""
Minimal DPG test to verify environment
"""

import os
import sys

try:
    import dearpygui.dearpygui as dpg
except ImportError:
    print("DearPyGui not found. Please install it with: pip install dearpygui")
    sys.exit(1)

# Check if running in a headless environment
if os.environ.get('DISPLAY') is None:
    print("Warning: No display detected. DearPyGui requires a display.")
    sys.exit(1)

def run_test():
    """Run a minimal DPG test"""
    dpg.create_context()
    
    # Create window without using context manager
    viewport = dpg.create_viewport(title="DPG Test", width=600, height=400)
    window = dpg.add_window(label="Hello World", width=600, height=400)
    
    # Add UI elements
    dpg.add_text(parent=window, default_value="Hello, world!")
    dpg.add_button(parent=window, label="Click Me", callback=lambda: print("Button clicked!"))
    
    # Setup and show
    dpg.setup_dearpygui()
    dpg.show_viewport()
    
    try:
        # Try to render a single frame
        dpg.render_dearpygui_frame()
        print("Successfully rendered a frame!")
    except Exception as e:
        print(f"Error rendering frame: {e}")
    
    # Cleanup
    dpg.destroy_context()
    print("Test completed. If you saw no errors, DPG is working correctly.")

if __name__ == "__main__":
    print("Starting minimal DPG test...")
    run_test()