UVMapの名前を正規表現でリネームするBlenderスクリプト

rename_uv.py

import bpy
import re

pattern = re.compile(r'^Bake(?:\.\d{3})?$')
new_name = "BakeUV"

for obj in bpy.data.objects:
    if obj.type != "MESH":
        continue
    for uv_layer in obj.data.uv_layers:
        if pattern.search(uv_layer.name):
            uv_layer.name = pattern.sub(new_name, uv_layer.name)