Initial commit of source - working, but needs stubs for Cocoa

src/mpd_now_playable/song.py

@@ -0,0 +1,27 @@
+from enum import StrEnum
+from typing import Protocol
+
+from attrs import define, field
+
+
+class PlaybackState(StrEnum):
+	play = "play"
+	pause = "pause"
+	stop = "stop"
+
+
+@define
+class Song:
+	state: PlaybackState
+	title: str
+	artist: str
+	album: str
+	album_artist: str
+	duration: float
+	elapsed: float
+	art: bytes | None = field(repr=lambda a: "<has art>" if a else "<no art>")
+
+
+class SongListener(Protocol):
+	def update(self, song: Song | None) -> None:
+		...