Likely incomplete script that converts 'statmake' axis labels to DesignSpace 5 axis labels

convert_ds_to_ds5.py

import argparse
import sys
from fontTools.designspaceLib import AxisLabelDescriptor, DesignSpaceDocument


def main():
    parser = argparse.ArgumentParser(
        description="Converts statmake axis labels to DesignSpace 5.0 axis labels"
    )
    parser.add_argument("input", help="The source .designspace file")
    parser.add_argument("output", help="The destination .designspace file")
    args = parser.parse_args()

    doc = DesignSpaceDocument.fromfile(args.input)
    if "org.statmake.stylespace" not in doc.lib:
        print("No 'org.statmake.stylespace' found in lib, nothing to do")
        return
    statAxes = doc.lib["org.statmake.stylespace"]["axes"]
    del doc.lib["org.statmake.stylespace"]["axes"]
    if not doc.lib["org.statmake.stylespace"]:
        del doc.lib["org.statmake.stylespace"]
    statAxesByTag = {axis["tag"]: axis for axis in statAxes}
    for axis in doc.axes:
        statAxis = statAxesByTag[axis.tag]
        axis.axisLabels = []
        for location in statAxis["locations"]:
            labelName = location["name"]
            labelNames = None
            if isinstance(labelName, dict):
                labelNames = labelName
                labelName = labelName["en"]
                if len(labelNames) == 1:
                    labelNames = None
            axisDesc = AxisLabelDescriptor(
                name=labelName,
                labelNames=labelNames,
                userValue=location["value"],
                linkedUserValue=location.get("linked_value"),
                elidable="ElidableAxisValueName" in location.get("flags", ()),
            )
            axis.axisLabels.append(axisDesc)

    doc.write(args.output)


if __name__ == "__main__":
    main()