feat: added parent artwork options

music_kraken/objects/artwork.py

@@ -1,18 +1,14 @@
 from __future__ import annotations
 
-from typing import List, Optional, Dict, Tuple, Type, Union, TypedDict
-
-from .collection import Collection
-from .metadata import (
-    Mapping as id3Mapping,
-    ID3Timestamp,
-    Metadata
-)
-from ..utils.string_processing import unify, hash_url
-
-from .parents import OuterProxy as Base
+from typing import Dict, List, Optional, Set, Tuple, Type, TypedDict, Union
 
 from ..utils.config import main_settings
+from ..utils.string_processing import hash_url, unify
+from .collection import Collection
+from .metadata import ID3Timestamp
+from .metadata import Mapping as id3Mapping
+from .metadata import Metadata
+from .parents import OuterProxy as Base
 
 
 class ArtworkVariant(TypedDict):
@@ -23,7 +19,9 @@ class ArtworkVariant(TypedDict):
 
 
 class Artwork:
-    def __init__(self, *variants: List[ArtworkVariant]) -> None:
+    def __init__(self, *variants: List[ArtworkVariant], parent_artworks: Set[Artwork] = None) -> None:
+        self.parent_artworks: Set[Artwork] = parent_artworks or set()
+        
         self._variant_mapping: Dict[str, ArtworkVariant] = {}
 
         for variant in variants:
@@ -36,7 +34,7 @@ class Artwork:
     def append(self, url: str, width: int = main_settings["preferred_artwork_resolution"], height: int = main_settings["preferred_artwork_resolution"], **kwargs) -> None:
         if url is None:
             return
-        
+     
         self._variant_mapping[hash_url(url=url)] = {
             "url": url,
             "width": width,
@@ -44,21 +42,36 @@ class Artwork:
             "deviation": self._calculate_deviation(width, height),
         }
 
+    @property
+    def flat_empty(self) -> bool:
+        return len(self._variant_mapping.keys()) <= 0
+
+    def _get_best_from_list(self, artwork_variants: List[ArtworkVariant]) -> Optional[ArtworkVariant]:
+        return min(artwork_variants, key=lambda x: x["deviation"])
+
     @property
     def best_variant(self) -> ArtworkVariant:
-        if len(self._variant_mapping.keys()) <= 0:
-            return None
-        return min(self._variant_mapping.values(), key=lambda x: x["deviation"])
+        if self.flat_empty:
+            return self._get_best_from_list([parent.best_variant for parent in self.parent_artworks])
+        return self._get_best_from_list(self._variant_mapping.values())
 
     def get_variant_name(self, variant: ArtworkVariant) -> str:
         return f"artwork_{variant['width']}x{variant['height']}_{hash_url(variant['url']).replace('/', '_')}"
 
     def __merge__(self, other: Artwork, **kwargs) -> None:
+        self.parent_artworks.update(other.parent_artworks)
+
         for key, value in other._variant_mapping.items():
             if key not in self._variant_mapping:
                 self._variant_mapping[key] = value
 
+    def __hash__(self) -> int:
+        return id(self)
+
     def __eq__(self, other: Artwork) -> bool:
+        if hash(self) == hash(other):
+            return True
+
         if not isinstance(other, Artwork):
             return False
         return any(a == b for a, b in zip(self._variant_mapping.keys(), other._variant_mapping.keys()))