When linking a blend file into another one selecting a collection, it also imports objects from other collections #93757

New Issue

Facundo · 2021-12-06T17:24:12+01:00

Facundo commented

2021-12-06 17:24:12 +01:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3080 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 496.76
system-info.txt

Blender Version
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-12-04 01:26, hash: 5ef5a9fc24
Worked: 3.0 release
Short description of error
When linking a blend file into another one selecting a collection, it also imports objects from other collections

Exact steps for others to reproduce the error

Create a new scene and link into that the attached file: Test.blend.
You should link the Collection named "Skinning"
It will import the Armature and Box objects from that Skinning collection, as well as the Circle object which is in another collection in the original file. That Circle object should not be imported.

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 3080 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 496.76 [system-info.txt](https://archive.blender.org/developer/F12698613/system-info.txt) ![Splash.PNG](https://archive.blender.org/developer/F12698614/Splash.PNG) ![Captura1.PNG](https://archive.blender.org/developer/F12698629/Captura1.PNG) ![Captura2.PNG](https://archive.blender.org/developer/F12698632/Captura2.PNG) **Blender Version** Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-12-04 01:26, hash: `5ef5a9fc24` Worked: 3.0 release **Short description of error** When linking a blend file into another one selecting a collection, it also imports objects from other collections **Exact steps for others to reproduce the error** - Create a new scene and link into that the attached file: [Test.blend](https://archive.blender.org/developer/F12698621/Test.blend). You should link the Collection named "Skinning" - It will import the Armature and Box objects from that Skinning collection, as well as the Circle object which is in another collection in the original file. That Circle object should not be imported.

Facundo commented

2021-12-06 17:24:12 +01:00

Added subscriber: @Facu

blender-admin commented

2021-12-06 17:24:12 +01:00

#93872 was marked as duplicate of this issue

blender-admin commented

2021-12-06 17:24:12 +01:00

#93839 was marked as duplicate of this issue

Steffen Dünner commented

2021-12-06 18:39:32 +01:00

Added subscriber: @SteffenD

Richard Antalik commented

2021-12-06 18:56:36 +01:00

Changed status from 'Needs Triage' to: 'Confirmed'

Richard Antalik commented

2021-12-07 23:29:56 +01:00

Added subscriber: @3D4

Richard Antalik commented

2021-12-09 00:10:05 +01:00

Added subscriber: @iss

Richard Antalik commented

2021-12-09 18:34:56 +01:00

Added subscriber: @mont29

Richard Antalik commented

2021-12-09 18:34:56 +01:00

Will CC @mont29, this looks to be quite bad regression. also set prio to high

Bastien Montagne commented

2021-12-20 16:51:50 +01:00

I do not see how this Circle object should not be linked, since it's used by the linked armature as its bone shape.

"issue" here is that it gets instantiated in the scene, but... this is actually the correct behavior, previous behavior was actually a bug, since it would let an object without any owner collection (D.objects['Circle'].users_collection- [x] in py console would return an empty list), which is not allowed/supported in Blender.

While this is arguably a badly organized file (root collection of a character should typically always contain every dependency, in hidden or excluded sub-collections if they should not be visible on screen), think we should avoid instantiating those stray objects in the view layer, and just add them to an hidden ad-hoc collection instead.

I do not see how this `Circle` object should not be linked, since it's used by the linked armature as its bone shape. "issue" here is that it gets instantiated in the scene, but... this is actually the correct behavior, previous behavior was actually a bug, since it would let an object without any owner collection (`D.objects['Circle'].users_collection- [x]` in py console would return an empty list), which is not allowed/supported in Blender. While this is arguably a badly organized file (root collection of a character should typically always contain every dependency, in hidden or excluded sub-collections if they should not be visible on screen), think we should avoid instantiating those stray objects in the view layer, and just add them to an hidden ad-hoc collection instead.

Bastien Montagne commented

2021-12-20 18:16:29 +01:00

In #93757#1275926, @mont29 wrote:
"issue" here is that it gets instantiated in the scene, but... this is actually the correct behavior, previous behavior was actually a bug, since it would let an object without any owner collection (D.objects['Circle'].users_collection- [x] in py console would return an empty list), which is not allowed/supported in Blender.

On second thought, it's better (in linking case only!) to not add indirectly linked objects to any local collection, otherwise it would make them directly linked, which is not ideal.

> In #93757#1275926, @mont29 wrote: > "issue" here is that it gets instantiated in the scene, but... this is actually the correct behavior, previous behavior was actually a bug, since it would let an object without any owner collection (`D.objects['Circle'].users_collection- [x]` in py console would return an empty list), which is not allowed/supported in Blender. On second thought, it's better (*in linking case only!*) to not add indirectly linked objects to any local collection, otherwise it would make them directly linked, which is not ideal.

blender-admin commented

2021-12-21 10:05:39 +01:00

This issue was referenced by 68f1b2c671

This issue was referenced by 68f1b2c6719ad1bbe52ec4896cecf3b94ad74146

Bastien Montagne commented

2021-12-21 10:09:33 +01:00

Changed status from 'Confirmed' to: 'Resolved'

Bastien Montagne closed this issue

2021-12-21 10:09:33 +01:00

Bastien Montagne self-assigned this 2021-12-21 10:09:33 +01:00

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When linking a blend file into another one selecting a collection, it also imports objects from other collections #93757