blob: c07a98a1e3d212138fc23aca6108ca8f246a310a [file] [log] [blame]
Kohsuke Yatohbc718222021-01-31 23:48:46 -08001#!/usr/bin/env python
2
3import argparse
4
5from fontTools import ttLib
6
7
8def update_font_revision(font, revisionSpec):
9 if revisionSpec.startswith('+'):
10 font['head'].fontRevision += float(revisionSpec[1:])
11 else:
12 font['head'].fontRevision = float(revisionSpec)
13
14
15def main():
16 args_parser = argparse.ArgumentParser(description='Update font file metadata')
17 args_parser.add_argument('--input', help='Input otf/ttf font file.')
18 args_parser.add_argument('--output', help='Output file for updated font file.')
19 args_parser.add_argument('--revision', help='Updated font revision. Use + to update revision based on the current revision')
20 args = args_parser.parse_args()
21
22 font = ttLib.TTFont(args.input)
23 update_font_revision(font, args.revision)
24 font.save(args.output)
25
26if __name__ == "__main__":
27 main()