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Alembic fix T59164: Only run in background when INVOKE'd

Authored by Sybren A. Stüvel (sybren) on Dec 28 2018, 4:04 PM.



As can be seen in T59164, the current behaviour of the Alembic import/export operators is a bit confusing, as it runs in a background job by default.

My solution is similar to what physics baking is doing: invoking the operator runs a background job, whereas executing blocks. This makes Python scripts calling the Alembic import/export operators more predictable.

For backwardward compatibility with existing Python code the as_background_job parameter still exists, which overrides the behaviour chosen by INVOKE/EXECUTE.

Diff Detail

rB Blender
temp-sybren-alembic-T59164 (branched from master)
Build Status
Buildable 2683
Build 2683: arc lint + arc unit