From 3084c7268a3e7022d0cc0085d5f62b52e9a972cb Mon Sep 17 00:00:00 2001
From: Einar Forselv <eforselv@gmail.com>
Date: Fri, 6 Dec 2024 16:49:43 +0100
Subject: [PATCH] Alert user when dracopy is not installed

---
 moderngl_window/loaders/scene/gltf2.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/moderngl_window/loaders/scene/gltf2.py b/moderngl_window/loaders/scene/gltf2.py
index 36c0b0b..0b1470d 100644
--- a/moderngl_window/loaders/scene/gltf2.py
+++ b/moderngl_window/loaders/scene/gltf2.py
@@ -471,7 +471,10 @@ def load(self, materials: list[Material]) -> list[Mesh]:
             if primitive.extensions.get("KHR_draco_mesh_compression"):
                 buffer_view = primitive.extensions["KHR_draco_mesh_compression"]["bufferView"]
                 data = buffer_view.read_raw()
-                import DracoPy
+                try:
+                    import DracoPy
+                except ImportError:
+                    raise ImportError("DracoPy is required to load draco compressed meshes")
                 mesh = DracoPy.decode(data)
 
                 attributes = {