[Bf-extensions-cvs] [4d562682] master: glTF importer: fix T91217: avoid traceback when trying to import some invalid glTF 2.0 files

[Julien Duroure]

Commit: 4d562682c099ce740d705893008a91a30a206710
Author: Julien Duroure
Date:   Wed Sep 15 17:29:56 2021 +0200
Branches: master
https://developer.blender.org/rBA4d562682c099ce740d705893008a91a30a206710

glTF importer: fix T91217: avoid traceback when trying to import some invalid glTF 2.0 files

===================================================================

M	io_scene_gltf2/__init__.py
M	io_scene_gltf2/blender/imp/gltf2_blender_node.py

===================================================================

diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index 2e73930d..7885987e 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 7, 24),
+    "version": (1, 7, 25),
     'blender': (2, 91, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_node.py b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
index 041bf1eb..8e0d7cbb 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_node.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
@@ -184,6 +184,10 @@ class BlenderNode():
     @staticmethod
     def create_mesh_object(gltf, vnode):
         pynode = gltf.data.nodes[vnode.mesh_node_idx]
+        if not (0 <= pynode.mesh < len(gltf.data.meshes)):
+            # Avoid traceback for invalid gltf file: invalid reference to meshes array
+            # So return an empty blender object)
+            return bpy.data.objects.new(vnode.name or mesh.name, None)
         pymesh = gltf.data.meshes[pynode.mesh]
 
         # Key to cache the Blender mesh by.