mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-23 11:31:29 +01:00
98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
#!/usr/bin/env python3
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# Allow direct execution
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import os
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import sys
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import os.path
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import re
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from devscripts.utils import (
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compose_functions,
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get_filename_args,
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read_file,
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write_file,
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)
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ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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README_FILE = os.path.join(ROOT_DIR, 'README.md')
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PREFIX = r'''%yt-dlp(1)
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# NAME
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yt\-dlp \- A feature\-rich command\-line audio/video downloader
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# SYNOPSIS
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**yt-dlp** \[OPTIONS\] URL [URL...]
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# DESCRIPTION
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'''
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def filter_excluded_sections(readme):
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EXCLUDED_SECTION_BEGIN_STRING = re.escape('<!-- MANPAGE: BEGIN EXCLUDED SECTION -->')
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EXCLUDED_SECTION_END_STRING = re.escape('<!-- MANPAGE: END EXCLUDED SECTION -->')
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return re.sub(
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rf'(?s){EXCLUDED_SECTION_BEGIN_STRING}.+?{EXCLUDED_SECTION_END_STRING}\n',
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'', readme)
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def move_sections(readme):
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MOVE_TAG_TEMPLATE = '<!-- MANPAGE: MOVE "%s" SECTION HERE -->'
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sections = re.findall(r'(?m)^%s$' % (
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re.escape(MOVE_TAG_TEMPLATE).replace(r'\%', '%') % '(.+)'), readme)
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for section_name in sections:
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move_tag = MOVE_TAG_TEMPLATE % section_name
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if readme.count(move_tag) > 1:
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raise Exception(f'There is more than one occurrence of "{move_tag}". This is unexpected')
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sections = re.findall(rf'(?sm)(^# {re.escape(section_name)}.+?)(?=^# )', readme)
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if len(sections) < 1:
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raise Exception(f'The section {section_name} does not exist')
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elif len(sections) > 1:
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raise Exception(f'There are multiple occurrences of section {section_name}, this is unhandled')
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readme = readme.replace(sections[0], '', 1).replace(move_tag, sections[0], 1)
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return readme
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def filter_options(readme):
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section = re.search(r'(?sm)^# USAGE AND OPTIONS\n.+?(?=^# )', readme).group(0)
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options = '# OPTIONS\n'
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for line in section.split('\n')[1:]:
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mobj = re.fullmatch(r'''(?x)
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\s{4}(?P<opt>-(?:,\s|[^\s])+)
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(?:\s(?P<meta>(?:[^\s]|\s(?!\s))+))?
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(\s{2,}(?P<desc>.+))?
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''', line)
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if not mobj:
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options += f'{line.lstrip()}\n'
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continue
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option, metavar, description = mobj.group('opt', 'meta', 'desc')
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# Pandoc's definition_lists. See http://pandoc.org/README.html
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option = f'{option} *{metavar}*' if metavar else option
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description = f'{description}\n' if description else ''
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options += f'\n{option}\n: {description}'
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continue
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return readme.replace(section, options, 1)
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TRANSFORM = compose_functions(filter_excluded_sections, move_sections, filter_options)
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def main():
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write_file(get_filename_args(), PREFIX + TRANSFORM(read_file(README_FILE)))
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if __name__ == '__main__':
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main()
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