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Drivers not updating for nodes in node groups when created through python until dependencies manually updated #83497

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opened 2020-12-07 12:02:41 +01:00 by Ethan Simon · 8 comments
Ethan Simon commented 2020-12-07 12:02:41 +01:00
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30

Blender Version
Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: 0f45cab862

Short description of error
So it seems that drivers don't update in node groups made with python until you update the dependencies manually. Drivers created on nodes with python on the material level work just fine without manual dependency updates.

What I have tried to circumvent the issue that have not worked:

1: Updating depsgraph
2: Changing node values after creating drivers (in code)

Exact steps for others to reproduce the error
#83497.blend

  • Open file
  • Run script in text editor
  • In 3D view side panel click on Create Node Group
  • In material node editor add node group and tab into it

In 3D view side panel click on Toggle Me button

Driven value of node should update. If node is created in material node tree itself it works as expected.

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30 **Blender Version** Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: `0f45cab862` **Short description of error** So it seems that drivers don't update in node groups made with python until you update the dependencies manually. Drivers created on nodes with python on the material level work just fine without manual dependency updates. What I have tried to circumvent the issue that have not worked: 1: Updating depsgraph 2: Changing node values after creating drivers (in code) **Exact steps for others to reproduce the error** [#83497.blend](https://archive.blender.org/developer/F9502438/T83497.blend) - Open file - Run script in text editor - In 3D view side panel click on Create Node Group - In material node editor add node group and tab into it # In 3D view side panel click on Toggle Me button Driven value of node should update. If node is created in material node tree itself it works as expected.
Ethan Simon commented 2020-12-07 12:02:41 +01:00
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Added subscriber: @razed

Added subscriber: @razed
Richard Antalik commented 2020-12-10 15:30:59 +01:00
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Added subscriber: @iss

Added subscriber: @iss
Richard Antalik commented 2020-12-10 15:30:59 +01:00
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Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
Richard Antalik commented 2020-12-10 15:30:59 +01:00
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I can't see "toggle me" property. Where it should be exactly?

I can't see "toggle me" property. Where it should be exactly?
Ethan Simon commented 2020-12-11 02:39:59 +01:00
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@iss Oh, sorry. It should be contained within the N panel ui that the script creates. I was going to make it just a search command but then the property wouldnt be accessible without going into the data in the outliner :)

@iss Oh, sorry. It should be contained within the N panel ui that the script creates. I was going to make it just a search command but then the property wouldnt be accessible without going into the data in the outliner :)
Richard Antalik commented 2020-12-11 11:20:47 +01:00
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Changed status from 'Needs User Info' to: 'Confirmed'

Changed status from 'Needs User Info' to: 'Confirmed'
blender-admin commented 2021-01-07 13:31:17 +01:00
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This issue was referenced by c26f46cb95

This issue was referenced by c26f46cb9521c4d3603a5502dce0fd8444fbe408
Jacques Lucke commented 2021-01-07 13:31:49 +01:00
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Jacques Lucke self-assigned this 2021-01-07 13:31:49 +01:00
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