Convert 16-color X resources themes to MinTTY

x_to_mintty.py

import argparse
import re
import sys

PAT = re.compile(r'^\*\.?(\w+):\s+#([a-fA-F0-9]{6})')

MAPPING = {
    'cursorColor': 'CursorColour',
    'background': 'BackgroundColour',
    'foreground': 'ForegroundColour',
}

TERM_COLOURS = 'Black Red Green Yellow Blue Magenta Cyan White'.split()
for (i, name) in enumerate(TERM_COLOURS):
    MAPPING['color{}'.format(i + 0)] = name
    MAPPING['color{}'.format(i + 8)] = 'Bold' + name

def hex_to_triplet(code):
    return ','.join(str(int(''.join(pair), base=16))
                    for pair in zip(code[::2], code[1::2]))

def main(args):
    parser = argparse.ArgumentParser()
    parser.add_argument('file')
    args = parser.parse_args(args)

    with open(args.file, 'r') as f:
        lines = f.readlines()

    for m in filter(None, map(PAT.search, lines)):
        key, code = m.groups()
        mapped_key = MAPPING.get(key, None)
        if mapped_key:
            print('{}={}'.format(mapped_key, hex_to_triplet(code)))

if __name__ == '__main__':
    main(sys.argv[1:])