raspi

photobooth.py

@@ -22,6 +22,11 @@ import time
 import tomllib
 from pathlib import Path
 
+# On a console-only machine (no X or Wayland session), tell SDL to draw
+# straight to the screen via KMS/DRM, so no desktop environment is needed.
+if not os.environ.get("DISPLAY") and not os.environ.get("WAYLAND_DISPLAY"):
+    os.environ.setdefault("SDL_VIDEODRIVER", "kmsdrm")
+
 import pygame
 
 import camera as cam