def to_glyphs_kerning(self):
for master_id, source in self._sources.items():<EOL><INDENT>for (left, right), value in source.font.kerning.items():<EOL><INDENT>left_match = UFO_KERN_GROUP_PATTERN.match(left)<EOL>right_match = UFO_KERN_GROUP_PATTERN.match(right)<EOL>if left_match:<EOL><INDENT>left = "<STR_LIT>".format(left_match.group(<NUM_LIT:2>))<EOL><DEDENT>if right_match:<EOL><INDENT>right = "<STR_LIT>".format(right_match.group(<NUM_LIT:2>))<EOL><DEDENT>self.font.setKerningForPair(master_id, left, right, value)<EOL><DEDENT><DEDENT>
Add UFO kerning to GSFont.