- Changed API key validation from if not _key in self.constants.API_KEYS to if _key not in self.constants.API_KEYS for better readability.

Enhance RadioUtil playlist handling and deduplication

- Added checks to ensure playlists are initialized and not empty.
- Improved deduplication logic to prevent modifying the original playlist during iteration.
- Added logging for duplicate removal and playlist population.

Add cover art handling in rip_background.py

- Implemented functionality to attach album art if provided in metadata.
- Added error handling for cover art download failures.

Introduce unique filename handling in rip_background.py

- Added `ensure_unique_filename_in_dir` function to prevent overwriting files with the same name.

Refactor SRUtil for improved error handling and metadata fetching

- Introduced `MetadataFetchError` for better error management during metadata retrieval.
- Implemented `_safe_api_call` for resilient API calls with retry logic.
- Enhanced `get_artists_by_name` to optionally group results by artist name.
- Updated various methods to utilize the new error handling and retry mechanisms.

util.py

@@ -40,7 +40,7 @@ class Utilities:
 
         _key: str = key.split("Bearer ", maxsplit=1)[1].strip()
 
-        if not _key in self.constants.API_KEYS:
+        if _key not in self.constants.API_KEYS:
             return False
 
         if req_type == 2: