hooks: introduce Info.name property

Author: snejus

beets/autotag/hooks.py

@@ -18,10 +18,13 @@
 
 from copy import deepcopy
 from dataclasses import dataclass
+from functools import cached_property
 from typing import TYPE_CHECKING, Any, TypeVar
 
 from typing_extensions import Self
 
+from beets.util import cached_classproperty
+
 if TYPE_CHECKING:
     from beets.library import Item
 
@@ -55,6 +58,10 @@ def __hash__(self) -> int:  # type: ignore[override]
 class Info(AttrDict[Any]):
     """Container for metadata about a musical entity."""
 
+    @cached_property
+    def name(self) -> str:
+        raise NotImplementedError
+
     def __init__(
         self,
         album: str | None = None,
@@ -96,6 +103,10 @@ class AlbumInfo(Info):
     user items, and later to drive tagging decisions once selected.
     """
 
+    @cached_property
+    def name(self) -> str:
+        return self.album or ""
+
     def __init__(
         self,
         tracks: list[TrackInfo],
@@ -168,6 +179,10 @@ class TrackInfo(Info):
     stand alone for singleton matching.
     """
 
+    @cached_property
+    def name(self) -> str:
+        return self.title or ""
+
     def __init__(
         self,
         *,
@@ -220,6 +235,10 @@ class Match:
     distance: Distance
     info: Info
 
+    @cached_classproperty
+    def type(cls) -> str:
+        return cls.__name__.removesuffix("Match")  # type: ignore[attr-defined]
+
 
 @dataclass
 class AlbumMatch(Match):