1 from __future__ import unicode_literals
8 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
9 README_FILE = os.path.join(ROOT_DIR, 'README.md')
11 PREFIX = r'''%YOUTUBE-DL(1)
15 youtube\-dl \- download videos from youtube.com or other video platforms
19 **youtube-dl** \[OPTIONS\] URL [URL...]
25 parser = optparse.OptionParser(usage='%prog OUTFILE.md')
26 options, args = parser.parse_args()
28 parser.error('Expected an output filename')
32 with io.open(README_FILE, encoding='utf-8') as f:
35 readme = re.sub(r'(?s)^.*?(?=# DESCRIPTION)', '', readme)
36 readme = re.sub(r'\s+youtube-dl \[OPTIONS\] URL \[URL\.\.\.\]', '', readme)
37 readme = PREFIX + readme
39 readme = filter_options(readme)
41 with io.open(outfile, 'w', encoding='utf-8') as outf:
45 def filter_options(readme):
48 for line in readme.split('\n'):
49 if line.startswith('# '):
50 if line[2:].startswith('OPTIONS'):
56 if line.lstrip().startswith('-'):
57 split = re.split(r'\s{2,}', line.lstrip())
58 # Description string may start with `-` as well. If there is
59 # only one piece then it's a description bit not an option.
61 option, description = split
62 split_option = option.split(' ')
64 if not split_option[-1].startswith('-'): # metavar
65 option = ' '.join(split_option[:-1] + ['*%s*' % split_option[-1]])
67 # Pandoc's definition_lists. See http://pandoc.org/README.html
68 # for more information.
69 ret += '\n%s\n: %s\n' % (option, description)
71 ret += line.lstrip() + '\n'
78 if __name__ == '__main__':