#!/usr/bin/env python3
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'''Remove font-related CSS directives such that the directives in
doxygen_custom_stylesheet_1_9_4.css can take effect.'''

import os
import re
import sys


for filename in 'html/doxygen.css html/tabs.css html/navtree.css'.split():
    if os.path.exists(filename):
        buffer = open(filename, 'r', encoding="utf-8").readlines()
        text = ''.join(buffer)
        text = re.compile('font-family:.*?;', re.S|re.M).sub('', text)
        text = re.compile('font-size:.*?;', re.S|re.M).sub('', text)
        text = re.compile('font:.*?;', re.S|re.M).sub('', text)
        open(filename, 'w', encoding="utf-8").write(text)
