refactored and cleaned up data objects

src/music_kraken/objects/lyrics.py

@@ -0,0 +1,27 @@
+from typing import List
+
+import pycountry
+
+from .parents import DatabaseObject
+from .source import SourceAttribute, Source
+from .metadata import MetadataAttribute
+from .formatted_text import FormattedText
+
+
+class Lyrics(DatabaseObject, SourceAttribute, MetadataAttribute):
+    def __init__(
+            self,
+            text: FormattedText,
+            language: pycountry.Languages,
+            _id: str = None,
+            dynamic: bool = False,
+            source_list: List[Source] = None,
+            **kwargs
+    ) -> None:
+        DatabaseObject.__init__(_id=_id, dynamic=dynamic)
+
+        self.text: FormattedText = text
+        self.language: pycountry.Languages = language
+
+        if source_list is not None:
+            self.source_list = source_list