section = re.search(r'(?sm)^# USAGE AND OPTIONS\n.+?(?=^# )', readme).group(0)
options = '# OPTIONS\n'
for line in section.split('\n')[1:]:
- if line.lstrip().startswith('-'):
- split = re.split(r'\s{2,}', line.lstrip())
- # Description string may start with `-` as well. If there is
- # only one piece then it's a description bit not an option.
- if len(split) > 1:
- option, description = split
- split_option = option.split(' ')
-
- if not split_option[-1].startswith('-'): # metavar
- option = ' '.join(split_option[:-1] + [f'*{split_option[-1]}*'])
-
- # Pandoc's definition_lists. See http://pandoc.org/README.html
- options += f'\n{option}\n: {description}\n'
- continue
- options += line.lstrip() + '\n'
+ mobj = re.fullmatch(r'\s{4}(?P<opt>-(?:,\s|[^\s])+)(?:\s(?P<meta>([^\s]|\s(?!\s))+))?(\s{2,}(?P<desc>.+))?', line)
+ if not mobj:
+ options += f'{line.lstrip()}\n'
+ continue
+ option, metavar, description = mobj.group('opt', 'meta', 'desc')
+
+ # Pandoc's definition_lists. See http://pandoc.org/README.html
+ option = f'{option} *{metavar}*' if metavar else option
+ description = f'{description}\n' if description else ''
+ options += f'\n{option}\n: {description}'
+ continue
return readme.replace(section, options, 1)