62 lines
1.8 KiB
Python
Executable file
62 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
# yt-dlp --help | make_readme.py
|
|
# This must be run in a console of correct width
|
|
import functools
|
|
import re
|
|
import sys
|
|
|
|
README_FILE = 'README.md'
|
|
|
|
OPTIONS_START = 'General Options:'
|
|
OPTIONS_END = 'CONFIGURATION'
|
|
EPILOG_START = 'See full documentation'
|
|
|
|
DISABLE_PATCH = object()
|
|
|
|
|
|
def take_section(text, start=None, end=None, *, shift=0):
|
|
return text[
|
|
text.index(start) + shift if start else None:
|
|
text.index(end) + shift if end else None
|
|
]
|
|
|
|
|
|
def apply_patch(text, patch):
|
|
return text if patch[0] is DISABLE_PATCH else re.sub(*patch, text)
|
|
|
|
|
|
options = take_section(sys.stdin.read(), f'\n {OPTIONS_START}', f'\n{EPILOG_START}', shift=1)
|
|
|
|
switch_col_width = len(re.search(r'(?m)^\s{5,}', options).group())
|
|
delim = f'\n{" " * switch_col_width}'
|
|
|
|
PATCHES = (
|
|
( # Headings
|
|
r'(?m)^ (\w.+\n)( (?=\w))?',
|
|
r'## \1'
|
|
),
|
|
( # Do not split URLs
|
|
rf'({delim[:-1]})? (?P<label>\[\S+\] )?(?P<url>https?({delim})?:({delim})?/({delim})?/(({delim})?\S+)+)\s',
|
|
lambda mobj: ''.join((delim, mobj.group('label') or '', re.sub(r'\s+', '', mobj.group('url')), '\n'))
|
|
),
|
|
( # Do not split "words"
|
|
rf'(?m)({delim}\S+)+$',
|
|
lambda mobj: ''.join((delim, mobj.group(0).replace(delim, '')))
|
|
),
|
|
( # Avoid newline when a space is available b/w switch and description
|
|
DISABLE_PATCH, # This creates issues with prepare_manpage
|
|
r'(?m)^(\s{4}-.{%d})(%s)' % (switch_col_width - 6, delim),
|
|
r'\1 '
|
|
),
|
|
)
|
|
|
|
with open(README_FILE, encoding='utf-8') as f:
|
|
readme = f.read()
|
|
|
|
with open(README_FILE, 'w', encoding='utf-8') as f:
|
|
f.write(''.join((
|
|
take_section(readme, end=f'## {OPTIONS_START}'),
|
|
functools.reduce(apply_patch, PATCHES, options),
|
|
take_section(readme, f'# {OPTIONS_END}'),
|
|
)))
|