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#!/usr/bin/python
"""Post-build touch ups for Roboto."""
from os import path
import sys
from fontTools import ttLib
def correct_font(source_font_name, target_font_name):
"""Corrects metrics and other meta information."""
font = ttLib.TTFont(source_font_name)
head = font['head']
head.yMax = 2163
head.yMin = -555
hhea = font['hhea']
hhea.ascent = 1900
hhea.descent = -500
hhea.lineGap = 0
basename = path.basename(source_font_name)
bold = ('Bold' in basename) or ('Black' in basename)
italic = 'Italic' in basename
head.macStyle = (italic << 1) | bold
font.save(target_font_name)
def main(argv):
"""Correct all fonts specified in the command line."""
for font_name in argv[1:]:
correct_font(font_name, path.basename(font_name))
if __name__ == "__main__":
main(sys.argv)
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