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path: root/devscripts/make_readme.py
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import io
import sys
import re

README_FILE = 'README.md'
helptext = sys.stdin.read()

with io.open(README_FILE, encoding='utf-8') as f:
    oldreadme = f.read()

header = oldreadme[:oldreadme.index('# OPTIONS')]
footer = oldreadme[oldreadme.index('# CONFIGURATION'):]

options = helptext[helptext.index('  General Options:')+19:]
options = re.sub(r'^  (\w.+)$', r'## \1', options, flags=re.M)
options = '# OPTIONS\n' + options + '\n'

with io.open(README_FILE, 'w', encoding='utf-8') as f:
    f.write(header)
    f.write(options)
    f.write(footer)