fix: downloading into correct artist

src/music_kraken/objects/parents.py

@@ -61,7 +61,7 @@ class OuterProxy:
     """
 
     _default_factories: dict = {}
-    _outer_attribute: Set[str] = {"options", "metadata", "indexing_values"}
+    _outer_attribute: Set[str] = {"options", "metadata", "indexing_values", "option_string"}
 
     DOWNWARDS_COLLECTION_STRING_ATTRIBUTES = tuple()
     UPWARDS_COLLECTION_STRING_ATTRIBUTES = tuple()

src/music_kraken/objects/song.py

@@ -61,13 +61,13 @@ class Song(Base):
         "album_collection": Collection,
         "feature_artist_collection": Collection,
 
-        "title": lambda: None,
+        "title": lambda: "",
         "unified_title": lambda: None,
         "isrc": lambda: None,
         "genre": lambda: None,
     }
 
-    def __init__(self, title: str = None, unified_title: str = None, isrc: str = None, length: int = None,
+    def __init__(self, title: str = "", unified_title: str = None, isrc: str = None, length: int = None,
                  genre: str = None, note: FormattedText = None, source_list: List[Source] = None,
                  target_list: List[Target] = None, lyrics_list: List[Lyrics] = None,
                  main_artist_list: List[Artist] = None, feature_artist_list: List[Artist] = None,
@@ -264,7 +264,7 @@ class Album(Base):
     @property
     def option_string(self) -> str:
         return f"{self.__repr__()} " \
-               f"by Artist({OPTION_STRING_DELIMITER.join([str(artist.name) for artist in self.artist_collection])}) " \
+               f"by Artist({OPTION_STRING_DELIMITER.join([artist.name for artist in self.artist_collection])}) " \
                f"under Label({OPTION_STRING_DELIMITER.join([label.name for label in self.label_collection])})"
 
     @property
@@ -390,7 +390,7 @@ class Artist(Base):
     label_collection: Collection[Label]
 
     _default_factories = {
-        "name": lambda: None,
+        "name": str,
         "unified_name": lambda: None,
         "country": lambda: None,
         "unformated_location": lambda: None,
@@ -408,7 +408,7 @@ class Artist(Base):
     }
 
     # This is automatically generated
-    def __init__(self, name: str = None, unified_name: str = None, country: Country = None,
+    def __init__(self, name: str = "", unified_name: str = None, country: Country = None,
                  formed_in: ID3Timestamp = None, notes: FormattedText = None, lyrical_themes: List[str] = None,
                  general_genre: str = None, unformated_location: str = None, source_list: List[Source] = None,
                  contact_list: List[Contact] = None, feature_song_list: List[Song] = None,

src/music_kraken/pages/abstract.py

@@ -240,20 +240,28 @@ class Page:
         """
 
         # creating a new object, of the same type
-        new_music_object: DatabaseObject = type(music_object)()
+        new_music_object: Optional[DatabaseObject] = None
 
         # only certain database objects, have a source list
         if isinstance(music_object, INDEPENDENT_DB_OBJECTS):
             source: Source
             for source in music_object.source_collection.get_sources_from_page(self.SOURCE_TYPE):
-                new_music_object.merge(self.fetch_object_from_source(
-                    source=source, 
-                    enforce_type=type(music_object), 
-                    stop_at_level=stop_at_level, 
+                tmp = self.fetch_object_from_source(
+                    source=source,
+                    enforce_type=type(music_object),
+                    stop_at_level=stop_at_level,
                     post_process=False
-                ))
+                )
 
-        return music_object.merge(new_music_object)
+                if new_music_object is None:
+                    new_music_object = tmp
+                else:
+                    new_music_object.merge(tmp)
+
+        if new_music_object is not None:
+            music_object.merge(new_music_object)
+
+        return music_object
 
     def fetch_object_from_source(self, source: Source, stop_at_level: int = 2, enforce_type: Type[DatabaseObject] = None, post_process: bool = True) -> Optional[DatabaseObject]:
         obj_type = self.get_source_type(source)