Generate woff and woff2 fromt TTF

fonts.py

# pip install brotli fonttools

from os import listdir
from os.path import isfile, join

from fontTools.ttLib import TTFont

path_fonts = './static/fonts/alegreya-sans'
path_ttf = f'{path_fonts}/ttf'
path_woff = f'{path_fonts}/woff'
path_woff2 = f'{path_fonts}/woff2'

ttf = [f for f in listdir(path_ttf) if isfile(join(path_ttf, f))]

for font in ttf:
    f = TTFont(join(path_ttf, font))

    f.flavor = 'woff'
    f.save(join(path_woff, font.replace('.ttf', '.woff')))

    f.flavor = 'woff2'
    f.save(join(path_woff2, font.replace('.ttf', '.woff2')))