3DS Importer Exception “Object.parent ID type does not support assignment to its self” #57632

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Lawrence D'Oliveiro · 2018-11-05T09:46:46+01:00

2018-11-05 09:46:46 +01:00

The enclosed archive Kitchen-4ad3c0de.zip (downloaded from archive3d.net triggers several instances of the following exception in Blender’s 3DS importer:

Error: Traceback (most recent call last):

File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/__init__.py", line 104, in execute
  return import_3ds.load(self, context, **keywords)
File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 994, in load
  global_matrix=global_matrix,
File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 893, in load_3ds
  process_next_chunk(file, current_chunk, importedObjects, IMAGE_SEARCH)
File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 831, in process_next_chunk
  ob.parent = object_list[parent]

TypeError: bpy_struct: item.attr = val: Object.parent ID type does not support assignment to its self

location: /home/ldo/sources/blender/blender-build/bin/2.79/scripts/modules/bpy/ops.py:197

For your info, here is a preview image for the model.

The enclosed archive [Kitchen-4ad3c0de.zip](https://archive.blender.org/developer/F5382894/Kitchen-4ad3c0de.zip) (downloaded from [archive3d.net ](https://archive3d.net/?a=download&id=4ad3c0de) triggers several instances of the following exception in Blender’s 3DS importer: Error: Traceback (most recent call last): ``` File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/__init__.py", line 104, in execute return import_3ds.load(self, context, **keywords) File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 994, in load global_matrix=global_matrix, File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 893, in load_3ds process_next_chunk(file, current_chunk, importedObjects, IMAGE_SEARCH) File "/home/ldo/sources/blender/blender-build/bin/2.79/scripts/addons/io_scene_3ds/import_3ds.py", line 831, in process_next_chunk ob.parent = object_list[parent] ``` TypeError: bpy_struct: item.attr = val: Object.parent ID type does not support assignment to its self location: /home/ldo/sources/blender/blender-build/bin/2.79/scripts/modules/bpy/ops.py:197 For your info, here ![Kitchen-4ad3c0de.jpg](https://archive.blender.org/developer/F5382950/Kitchen-4ad3c0de.jpg) is a preview image for the model.

Lawrence D'Oliveiro commented

2018-11-05 09:46:46 +01:00

Added subscriber: @ldo

Lawrence D'Oliveiro commented

2018-11-05 09:48:47 +01:00

I have tried the following patch ldo-3ds-importer-parent-hack.patch which prints the error message and continues instead of aborting. The example model seems to come in intact.

I have tried the following patch [ldo-3ds-importer-parent-hack.patch](https://archive.blender.org/developer/F5383015/ldo-3ds-importer-parent-hack.patch) which prints the error message and continues instead of aborting. The example model seems to come in intact.

Philipp Oeser commented

2018-11-05 09:53:39 +01:00

Added subscriber: @lichtwerk

Philipp Oeser self-assigned this 2018-11-05 09:53:39 +01:00

Philipp Oeser commented

2018-11-05 09:53:39 +01:00

Can confirm, will have a look...