search for Descriptive Style Set Names

searchDescriptiveSSNames.py

from fontTools.ttLib import TTFont

from robofab.interface.all.dialogs import GetFolder

from lib.tools.misc import walkDirectoryForFile

root = GetFolder("Folder with .otf / .ttf files...")

found = {}


if root:

    binaryFiles = walkDirectoryForFile(root, ".otf") 
    binaryFiles += walkDirectoryForFile(root, ".ttf")
        
    for fontFile in binaryFiles:
        
        font = TTFont(fontFile)
        
        descriptiveNames = {}
        
        for nameRecord in font["name"].names:
            if nameRecord.platformID == 1:
                if 256 < nameRecord.nameID < 256 + 19:
                    feaTag = "ss%02d" % (nameRecord.nameID - 256)
                    descriptiveNames[feaTag] = nameRecord.string

        if descriptiveNames:
            found[fontFile] = descriptiveNames


o = []
for path, ss in found.items():
    o.append(path)
    feaTags = ss.keys()
    feaTags.sort()
    for feaTag in feaTags:
        o.append("\t%s: %s" % (feaTag, ss[feaTag]))

print "\n".join(o)