"""round all kerning values to increments of a specified value""" value = 100 from robofab.world import CurrentFont font = CurrentFont() kerning = font.kerning startCount = len(kerning) kerning.round(value) font.update() print 'finished rounding kerning by %s.'%value print 'you started with %s kerning pairs.'%startCount print 'you now have %s kerning pairs.'%len(kerning)