Dynamic EnumProperty draws wrong characters for it's value #104955

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David Ballesteros · 2023-02-19T18:11:06+01:00

David Ballesteros commented

2023-02-19 18:11:06 +01:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 528.24

Blender Version
Broken: version: 3.5.0 Alpha,
branch: refs/heads/main refs/remotes/origin/main,
commit date: 18/02/2023 6:44:25
hash: e61566137b2f4c68ccb7d88e782ef55bd91bb5cc
Worked: Tested on 3.3 and didn't worked either but showed differnet characters. See attached images.

Short description of error
A EnumProperty filled dynamically with the existing Node Groups draws wrong characters for it's value. Characters vay between Blender versions 3.3 or 3.6 alpha.

Exact steps for others to reproduce the error
Install the attached add-on and activate it.

· On any workspace configure ons space to the Geometry Editor. Keep a 3D View.
· On the 3D View open the N panel. Select the Scene Groups Tab.
It should shown the GUI in blender_NoGroups_2023-02-19_13-45-55.jpg.
· On the Geometry Editor, add a few Node Groups.
It should shown the GUI in blender_3.3_2023-02-19_13-44-20.jpg or
the GUI in blender_3.6alpha_2023-02-19_13-47-39.jpg.

Thanks in advance,
David Ballesteros

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: NVIDIA GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 528.24 **Blender Version** Broken: version: 3.5.0 Alpha, branch: refs/heads/main refs/remotes/origin/main, commit date: 18/02/2023 6:44:25 hash: `e61566137b2f4c68ccb7d88e782ef55bd91bb5cc` Worked: Tested on 3.3 and didn't worked either but showed differnet characters. See attached images. **Short description of error** A EnumProperty filled dynamically with the existing Node Groups draws wrong characters for it's value. Characters vay between Blender versions 3.3 or 3.6 alpha. **Exact steps for others to reproduce the error** Install the attached add-on and activate it. · On any workspace configure ons space to the Geometry Editor. Keep a 3D View. · On the 3D View open the N panel. Select the Scene Groups Tab. It should shown the GUI in blender_NoGroups_2023-02-19_13-45-55.jpg. · On the Geometry Editor, add a few Node Groups. It should shown the GUI in blender_3.3_2023-02-19_13-44-20.jpg or the GUI in blender_3.6alpha_2023-02-19_13-47-39.jpg. Thanks in advance, David Ballesteros

blender_3.3_2023-02-19_13-44-20.jpg

18 KiB

blender_3.6alpha_2023-02-19_13-47-39.jpg

21 KiB

blender_NoGroups_2023-02-19_13-45-55.jpg

14 KiB

scene_node_groups.zip

6.2 KiB

blender_3.6alpha_2023-02-19_13-47-39.jpg

David Ballesteros added the

labels 2023-02-19 18:11:07 +01:00

Scurest commented

2023-02-19 18:53:24 +01:00

This is the known bug mentioned in the EnumPropery docs, "Python must keep a reference to the strings returned by the callback or Blender will misbehave or even crash". See this StackExchange question for workarounds.

This is the [known bug mentioned in the EnumPropery docs](https://docs.blender.org/api/master/bpy.props.html#bpy.props.EnumProperty), "Python must keep a reference to the strings returned by the callback or Blender will misbehave or even crash". See this [StackExchange question](https://blender.stackexchange.com/questions/216230/is-there-a-workaround-for-the-known-bug-in-dynamic-enumproperty) for workarounds.

Pratik Borhade closed this issue

2023-02-20 11:43:23 +01:00

Blender Bot added

and removed

labels 2023-02-20 11:43:24 +01:00

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