Create track class

src/music/__init__.py

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+from .track import Track

src/music/track.py

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+from pathlib import Path
+
+
+class Track:
+    def __init__(self, location: Path):
+        self.path = location
+
+    @property
+    def filename(self) -> str:
+        return self.path.name
+
+    @property
+    def stem(self) -> str:
+        return self.path.stem
+
+    @property
+    def extension(self) -> str:
+        return self.path.suffix
+
+    @property
+    def artist(self) -> Path:
+        return self.path.parent.parent
+
+    @property
+    def album(self) -> Path:
+        return self.path.parent
+
+    def artist_output(self, root: Path) -> Path:
+        return root / self.artist.parts[-1]
+
+    def album_output(self, root: Path) -> Path:
+        return root / self.artist.parts[-1] / self.album.parts[-1]
+
+    def output_file(self, root: Path, extension: str) -> Path:
+        return root / self.artist.parts[-1] / self.album.parts[-1] / f"{self.stem}.{extension}"