def saveOTF(self, filename):
try:
self.font.save(filename)
ttfont = TTFont(filename)
featurefile = UnicodeIO(self.fontfeatures.asFea())
builder = Builder(ttfont, featurefile)
catmap = {"base": 1, "ligature": 2, "mark": 3, "component": 4}
for g in self.font:
if g.category in catmap:
builder.setGlyphClass_(None, g.name, catmap[g.category])
builder.build()
ttfont.save(filename)
except Exception as e:
print(e)
return str(e)
