Release v0.4.0 - HD Thumbnails, YouTube 2024+ Support, and yt-dlp Integrationv0.4.0

Major Features:
- HD video thumbnails (hq720.jpg) with automatic fallback to lower qualities
- HD channel avatars (240x240 instead of 88x88)
- YouTube 2024+ lockupViewModel support for channel playlists
- youtubei/v1/browse API integration for channel playlist tabs
- yt-dlp integration for multi-language audio and subtitles

Bug Fixes:
- Fixed undefined `abort` import in playlist.py
- Fixed undefined functions in proto.py (encode_varint, bytes_to_hex, succinct_encode)
- Fixed missing `traceback` import in proto_debug.py
- Fixed blurry playlist thumbnails using default.jpg instead of HD versions
- Fixed channel playlists page using deprecated pbj=1 format

Improvements:
- Automatic thumbnail fallback system (hq720 → sddefault → hqdefault → mqdefault → default)
- JavaScript thumbnail_fallback() handler for 404 errors
- Better thumbnail quality across all pages (watch, channel, playlist, subscriptions)
- Consistent HD avatar display for all channel items
- Settings system automatically adds new settings without breaking user config

Files Modified:
- youtube/watch.py - HD thumbnails for related videos and playlist items
- youtube/channel.py - HD thumbnails for channel playlists, youtubei API integration
- youtube/playlist.py - HD thumbnails, fixed abort import
- youtube/util.py - HD thumbnail URLs, avatar HD upgrade, prefix_url improvements
- youtube/comments.py - HD video thumbnail
- youtube/subscriptions.py - HD thumbnails, fixed abort import
- youtube/yt_data_extract/common.py - lockupViewModel support, extract_lockup_view_model_info()
- youtube/yt_data_extract/everything_else.py - HD playlist thumbnails
- youtube/proto.py - Fixed undefined function references
- youtube/proto_debug.py - Added traceback import
- youtube/static/js/common.js - thumbnail_fallback() handler
- youtube/templates/*.html - Added onerror handlers for thumbnail fallback
- youtube/version.py - Bump to v0.4.0

Technical Details:
- All thumbnail URLs now use hq720.jpg (1280x720) when available
- Fallback handled client-side via JavaScript onerror handler
- Server-side avatar upgrade via regex in util.prefix_url()
- lockupViewModel parser extracts contentType, metadata, and first_video_id
- Channel playlist tabs now use youtubei/v1/browse instead of deprecated pbj=1
- Settings version system ensures backward compatibility

1 files changed, 10 insertions, 10 deletions

diff --git a/youtube/ytdlp_integration.py b/youtube/ytdlp_integration.py
index 90a749d..f520e64 100644
--- a/youtube/ytdlp_integration.py
+++ b/youtube/ytdlp_integration.py
@@ -18,20 +18,20 @@ logger = logging.getLogger(__name__)
 def extract_video_info_ytdlp(video_id):
     """
     Extract video information using yt-dlp (with caching).
-    
+
     This is a wrapper around ytdlp_service.extract_video_info()
     for backward compatibility.
-    
+
     Args:
         video_id: YouTube video ID
-        
+
     Returns:
         Dictionary with audio_tracks, formats, title, duration
     """
     logger.debug(f'Extracting video info (legacy API): {video_id}')
-    
+
     info = extract_video_info(video_id)
-    
+
     # Convert to legacy format for backward compatibility
     return {
         'audio_tracks': info.get('audio_tracks', []),
@@ -46,25 +46,25 @@ def extract_video_info_ytdlp(video_id):
 def get_audio_formats_for_language(video_id, language='en'):
     """
     Get available audio formats for a specific language.
-    
+
     Args:
         video_id: YouTube video ID
         language: Language code (default: 'en')
-        
+
     Returns:
         List of audio format dicts
     """
     info = extract_video_info_ytdlp(video_id)
-    
+
     if 'error' in info:
         logger.warning(f'Cannot get audio formats: {info["error"]}')
         return []
-    
+
     audio_formats = []
     for track in info.get('audio_tracks', []):
         if track['language'] == language:
             audio_formats.append(track)
-    
+
     logger.debug(f'Found {len(audio_formats)} {language} audio formats')
     return audio_formats