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When in mesh editmode, attributes point to bmesh customdata, the attribute data is empty since custom data is stored per element instead of a single array there (same es UVs etc.). Opposed to e.g. UVs, general attributes were not setting their data length/size to zero in case of editmode though, which could lead to - crash in Outliner Data Api view [that was reported in T95922] - RuntimeError such as the following: ``` RuntimeError: bpy_prop_collection[index]: internal error, valid index 0 given in 8 sized collection, but value not found ``` Now check for mesh editmode in `BKE_id_attribute_data_length` (and return zero in that case). Alternatively, the check could also be done in `rna_Attribute_data_length` only (such as UVs do in `rna_MeshUVLoopLayer_data_length`). Ref D11998 Fixes T95922 Maniphest Tasks: T95922 Differential Revision: https://developer.blender.org/D14714
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU General Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.