refactored and cleaned up data objects

src/music_kraken/objects/artist.py

@@ -1,22 +0,0 @@
-from src.music_kraken.utils.shared import (
-    DATABASE_LOGGER as logger
-)
-from .parents import (
-    DatabaseObject,
-    Reference
-)
-
-
-class Artist(DatabaseObject):
-    def __init__(self, id_: str = None, mb_id: str = None, name: str = None) -> None:
-        super().__init__(id_=id_)
-        self.mb_id = mb_id
-        self.name = name
-
-    def __eq__(self, __o: object) -> bool:
-        if type(__o) != type(self):
-            return False
-        return self.id == __o.id
-
-    def __str__(self) -> str:
-        return self.name

src/music_kraken/objects/song.py

@@ -276,10 +276,6 @@ class Album(MainObject, SourceAttribute, MetadataAttribute):
             id3Mapping.DATE: [self.date.timestamp]
         })
 
-    @property
-    def is_split(self) -> bool:
-        return len(self.artist_collection) > 1
-
     def get_copyright(self) -> str:
         if self.date is None:
             return ""
@@ -295,6 +291,16 @@ class Album(MainObject, SourceAttribute, MetadataAttribute):
 
         return self.language.alpha_3
 
+    @property
+    def is_split(self) -> bool:
+        """
+        A split Album is an Album from more than one Artists
+        usually half the songs are made by one Artist, the other half by the other one.
+        In this case split means either that or one artist featured by all songs.
+        :return:
+        """
+        return len(self.artist_collection) > 1
+
     def get_options(self) -> list:
         options = self.artist_collection.copy()
         options.append(self)