Python utility for renaming ttf font files

font_renamer.py

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# Source: https://superuser.com/questions/120593/how-do-you-change-a-ttf-font-name
# Requires fonttools: pip install fonttools
#
# Usage: rename_font.py <input_path> <output_path> <new_name>
# Example: rename_font.py Tahoma.ttf Tahoma7.ttf "Tahoma7"
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from fontTools.ttLib import TTFont
import sys

def rename_font(input_path, output_path, new_name):
    font = TTFont(input_path)

    for record in font['name'].names:
        if record.nameID in [1, 4, 6]:  # Family name, Full name, PostScript name
            record.string = new_name.encode(record.getEncoding())

    font.save(output_path)

if __name__ == "__main__":
    if len(sys.argv) != 4:
        print("Usage: rename_font.py <input_path> <output_path> <new_name>")
        print("Example: rename_font.py Tahoma.ttf Tahoma7.ttf \"Tahoma7\"")
        sys.exit(1)

    rename_font(sys.argv[1], sys.argv[2], sys.argv[3])
    print("Renamed font successfully!")