Add artist_type to Artist

music_assistant_models/enums.py

@@ -151,6 +151,20 @@ def _missing_(cls, value: object) -> AlbumType:  # noqa: ARG003
         return cls.UNKNOWN
 
 
+class ArtistType(StrEnum):
+    """Enum for Artist type."""
+
+    SINGER = "singer"  # regular music artist
+    AUTHOR = "author"  # author of an audiobook
+    NARRATOR = "narrator"  # narrator of an audiobook
+    UNKNOWN = "unknown"
+
+    @classmethod
+    def _missing_(cls, value: object) -> ArtistType:  # noqa: ARG003
+        """Set default enum member if an unknown value is provided."""
+        return cls.UNKNOWN
+
+
 class ContentType(StrEnum):
     """Enum with audio content/container types supported by ffmpeg."""
 
@@ -546,6 +560,8 @@ class ProviderFeature(StrEnum):
     # additional library features
     ARTIST_ALBUMS = "artist_albums"
     ARTIST_TOPTRACKS = "artist_toptracks"
+    AUTHOR_AUDIOBOOKS = "author_audiobooks"
+    NARRATOR_AUDIOBOOKS = "narrator_audiobooks"
 
     # library edit (=add/remove) feature per mediatype
     LIBRARY_ARTISTS_EDIT = "library_artists_edit"

music_assistant_models/media_items/media_item.py

@@ -9,7 +9,7 @@
 
 from mashumaro import DataClassDictMixin
 
-from music_assistant_models.enums import AlbumType, ExternalID, ImageType, MediaType
+from music_assistant_models.enums import AlbumType, ArtistType, ExternalID, ImageType, MediaType
 from music_assistant_models.errors import InvalidDataError
 from music_assistant_models.helpers import (
     create_sort_name,
@@ -202,6 +202,7 @@ class Artist(MediaItem):
     __eq__ = _MediaItemBase.__eq__
 
     media_type: MediaType = MediaType.ARTIST
+    artist_type: ArtistType = ArtistType.SINGER
 
 
 @dataclass(kw_only=True)
@@ -307,8 +308,8 @@ class Audiobook(MediaItem):
     __eq__ = _MediaItemBase.__eq__
 
     publisher: str | None = None
-    authors: UniqueList[str] = field(default_factory=UniqueList)
-    narrators: UniqueList[str] = field(default_factory=UniqueList)
+    authors: UniqueList[str | Artist] = field(default_factory=UniqueList)
+    narrators: UniqueList[str | Artist] = field(default_factory=UniqueList)
     duration: int = 0
     # resume point info
     # set to None if unknown/unsupported by provider