Added example [skip ci]

examples/compare_albums.py

@@ -0,0 +1,42 @@
+"""Compare two albums in Photos and find the differences."""
+
+import sys
+
+import osxphotos
+import click
+
+
+@click.command()
+@click.argument("album1")
+@click.argument("album2")
+def compare_albums(album1, album2):
+    print("Loading Photos library...")
+    photosdb = osxphotos.PhotosDB()
+    album1_ = None
+    album2_ = None
+    for album in photosdb.album_info:
+        if album.title == album1:
+            album1_ = album
+        if album.title == album2:
+            album2_ = album
+    if album1_ is None:
+        print("Album 1 not found:", album1)
+        sys.exit(1)
+    if album2_ is None:
+        print("Album 2 not found:", album2)
+        sys.exit(1)
+
+    print(f"Comparing albums: '{album1}' '{album2}'")
+    not_in_album2 = [photo for photo in album1_.photos if photo not in album2_.photos]
+    not_in_album1 = [photo for photo in album2_.photos if photo not in album1_.photos]
+
+    print(f"Photos in '{album1}' but not in '{album2}':")
+    for photo in not_in_album2:
+        print(f"  {photo.original_filename}, {photo.date}, {photo.uuid}")
+    print(f"Photos in '{album2}' but not in '{album1}':")
+    for photo in not_in_album1:
+        print(f"  {photo.original_filename}, {photo.date}, {photo.uuid}")
+
+
+if __name__ == "__main__":
+    compare_albums()