mirror of
				https://github.com/yt-dlp/yt-dlp.git
				synced 2025-11-04 08:35:12 +00:00 
			
		
		
		
	Authored by: seproDev Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com> Reviewed-by: Simon Sawicki <contact@grub4k.xyz>
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python3
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"""
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yt-dlp --help | make_readme.py
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This must be run in a console of correct width
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"""
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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 functools
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import re
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from devscripts.utils import read_file, write_file
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README_FILE = 'README.md'
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OPTIONS_START = 'General Options:'
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OPTIONS_END = 'CONFIGURATION'
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EPILOG_START = 'See full documentation'
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ALLOWED_OVERSHOOT = 2
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DISABLE_PATCH = object()
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def take_section(text, start=None, end=None, *, shift=0):
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    return text[
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        text.index(start) + shift if start else None:
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        text.index(end) + shift if end else None
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    ]
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def apply_patch(text, patch):
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    return text if patch[0] is DISABLE_PATCH else re.sub(*patch, text)
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options = take_section(sys.stdin.read(), f'\n  {OPTIONS_START}', f'\n{EPILOG_START}', shift=1)
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max_width = max(map(len, options.split('\n')))
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switch_col_width = len(re.search(r'(?m)^\s{5,}', options).group())
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delim = f'\n{" " * switch_col_width}'
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PATCHES = (
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    (   # Standardize `--update` message
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        r'(?m)^(    -U, --update\s+).+(\n    \s.+)*$',
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        r'\1Update this program to the latest version',
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    ),
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    (   # Headings
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        r'(?m)^  (\w.+\n)(    (?=\w))?',
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        r'## \1',
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    ),
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    (   # Fixup `--date` formatting
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        rf'(?m)(    --date DATE.+({delim}[^\[]+)*)\[.+({delim}.+)*$',
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        (rf'\1[now|today|yesterday][-N[day|week|month|year]].{delim}'
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         f'E.g. "--date today-2weeks" downloads only{delim}'
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         'videos uploaded on the same day two weeks ago'),
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    ),
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    (   # Do not split URLs
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        rf'({delim[:-1]})? (?P<label>\[\S+\] )?(?P<url>https?({delim})?:({delim})?/({delim})?/(({delim})?\S+)+)\s',
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        lambda mobj: ''.join((delim, mobj.group('label') or '', re.sub(r'\s+', '', mobj.group('url')), '\n')),
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    ),
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    (   # Do not split "words"
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        rf'(?m)({delim}\S+)+$',
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        lambda mobj: ''.join((delim, mobj.group(0).replace(delim, ''))),
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    ),
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    (   # Allow overshooting last line
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        rf'(?m)^(?P<prev>.+)${delim}(?P<current>.+)$(?!{delim})',
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        lambda mobj: (mobj.group().replace(delim, ' ')
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                      if len(mobj.group()) - len(delim) + 1 <= max_width + ALLOWED_OVERSHOOT
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                      else mobj.group()),
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    ),
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    (   # Avoid newline when a space is available b/w switch and description
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        DISABLE_PATCH,  # This creates issues with prepare_manpage
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        r'(?m)^(\s{4}-.{%d})(%s)' % (switch_col_width - 6, delim),
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        r'\1 ',
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    ),
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    (   # Replace brackets with a Markdown link
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        r'SponsorBlock API \((http.+)\)',
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        r'[SponsorBlock API](\1)',
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    ),
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)
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readme = read_file(README_FILE)
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write_file(README_FILE, ''.join((
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    take_section(readme, end=f'## {OPTIONS_START}'),
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    functools.reduce(apply_patch, PATCHES, options),
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    take_section(readme, f'# {OPTIONS_END}'),
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)))
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