From 2415e66f889f38503b73e8ebc5f43ca342390e5c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 18:49:24 +0200
Subject: Adding upstream version 2024.03.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 devscripts/make_readme.py | 93 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100755 devscripts/make_readme.py

(limited to 'devscripts/make_readme.py')

diff --git a/devscripts/make_readme.py b/devscripts/make_readme.py
new file mode 100755
index 0000000..2270b31
--- /dev/null
+++ b/devscripts/make_readme.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python3
+
+"""
+yt-dlp --help | make_readme.py
+This must be run in a console of correct width
+"""
+
+# Allow direct execution
+import os
+import sys
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+
+import functools
+import re
+
+from devscripts.utils import read_file, write_file
+
+README_FILE = 'README.md'
+
+OPTIONS_START = 'General Options:'
+OPTIONS_END = 'CONFIGURATION'
+EPILOG_START = 'See full documentation'
+ALLOWED_OVERSHOOT = 2
+
+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)
+
+max_width = max(map(len, options.split('\n')))
+switch_col_width = len(re.search(r'(?m)^\s{5,}', options).group())
+delim = f'\n{" " * switch_col_width}'
+
+PATCHES = (
+    (   # Standardize `--update` message
+        r'(?m)^(    -U, --update\s+).+(\n    \s.+)*$',
+        r'\1Update this program to the latest version',
+    ),
+    (   # Headings
+        r'(?m)^  (\w.+\n)(    (?=\w))?',
+        r'## \1'
+    ),
+    (   # Fixup `--date` formatting
+        rf'(?m)(    --date DATE.+({delim}[^\[]+)*)\[.+({delim}.+)*$',
+        (rf'\1[now|today|yesterday][-N[day|week|month|year]].{delim}'
+         f'E.g. "--date today-2weeks" downloads only{delim}'
+         'videos uploaded on the same day two weeks ago'),
+    ),
+    (   # 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+)+$',
+        lambda mobj: ''.join((delim, mobj.group(0).replace(delim, '')))
+    ),
+    (   # Allow overshooting last line
+        rf'(?m)^(?P<prev>.+)${delim}(?P<current>.+)$(?!{delim})',
+        lambda mobj: (mobj.group().replace(delim, ' ')
+                      if len(mobj.group()) - len(delim) + 1 <= max_width + ALLOWED_OVERSHOOT
+                      else mobj.group())
+    ),
+    (   # 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 '
+    ),
+    (   # Replace brackets with a Markdown link
+        r'SponsorBlock API \((http.+)\)',
+        r'[SponsorBlock API](\1)'
+    ),
+)
+
+readme = read_file(README_FILE)
+
+write_file(README_FILE, ''.join((
+    take_section(readme, end=f'## {OPTIONS_START}'),
+    functools.reduce(apply_patch, PATCHES, options),
+    take_section(readme, f'# {OPTIONS_END}'),
+)))
-- 
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