fd433a0a5c
This adds a new function `set_vertex_weights` to the `GreasePencilDrawing`.
Given an existing vertex group, this function writes the given weights to the
provided point indices.
Example code for GP Stroke:
```Py
import bpy
ob = bpy.context.active_object
# Add a vertex group
ob.vertex_groups.new(name="Group")
# Get the drawing
frame = ob.data.layers.active.current_frame()
drawing = frame.drawing
# Set the vertex weights of points at index 0, 5, 10, and 15
drawing.set_vertex_weights("Group", [0, 5, 10, 15], [0.1, 0.2, 0.5, 1.0], assign_mode='ADD')
```
Pull Request: https://projects.blender.org/blender/blender/pulls/127216
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