BS PETG Matte Registration

python3 - <<'EOF'
import json, glob, os
root = os.path.expanduser("~/Library/Application Support/BambuStudio/system/BBL")
idx = os.path.join(root + ".json")
d = json.load(open(idx))
have = {e["name"] for e in d["filament_list"]}
# base must come before its children
files = sorted(glob.glob(root + "/filament/Bambu PETG Matte @*.json"), key=lambda p: "@base" not in p)
for f in files:
    name = json.load(open(f))["name"]
    if name not in have:
        d["filament_list"].append({"name": name, "sub_path": "filament/" + os.path.basename(f)})
        print("added", name)
json.dump(d, open(idx, "w"), indent=4)
EOF