for font in AllFonts(): print(font.info.openTypeOS2TypoLineGap) print(font.info.openTypeOS2WinAscent) print(font.info.openTypeOS2WinDescent) print(font.info.openTypeHheaLineGap) font.info.openTypeHheaAscender = 1900 font.info.openTypeHheaDescender = -500 font.info.openTypeHheaLineGap = 0 font.info.openTypeOS2TypoLineGap = 102 font.info.openTypeOS2WinAscent = 1946 font.info.openTypeOS2WinDescent = 512 print(font.info.openTypeOS2TypoLineGap) print(font.info.openTypeOS2WinAscent) print(font.info.openTypeOS2WinDescent) print(font.info.openTypeHheaLineGap) font.save()