Using the Python API, is there a way to change order of shapekeys quicker than using the operator bpy.ops.object.shape_key_move(type='UP')?

This operator takes a long time to execute (if you want to move a shape key up 20 times, for example).

Is there a way to perform this quicker?


Campbell said me on IRC that there is currently no other solution :

this needs to be done at a C/RNA level AFAICS.

RNA collections need to have a sort callback which Python can use


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