Modify the implementation of auto_orient() so that it uses the corres…

…ponding PIL.ImageOps operation

willow/plugins/pillow.py

@@ -3,6 +3,7 @@
 except ImportError:
     pass
 
+from PIL import ImageOps
 from willow.image import (
     AvifImageFile,
     BadImageOperationError,
@@ -351,39 +352,7 @@ def save_as_avif(self, f, quality=80, lossless=False, apply_optimizers=True):
     def auto_orient(self):
         # JPEG files can be orientated using an EXIF tag.
         # Make sure this orientation is applied to the data
-        image = self.image
-
-        if hasattr(image, "_getexif"):
-            try:
-                exif = image._getexif()
-            except Exception:  # noqa: BLE001
-                # Blanket cover all the ways _getexif can fail in.
-                exif = None
-            if exif is not None:
-                # 0x0112 = Orientation
-                orientation = exif.get(0x0112, 1)
-
-                if 1 <= orientation <= 8:
-                    Image = _PIL_Image()
-                    ORIENTATION_TO_TRANSPOSE = {
-                        1: (),
-                        2: (Image.Transpose.FLIP_LEFT_RIGHT,),
-                        3: (Image.Transpose.ROTATE_180,),
-                        4: (
-                            Image.Transpose.ROTATE_180,
-                            Image.Transpose.FLIP_LEFT_RIGHT,
-                        ),
-                        5: (
-                            Image.Transpose.ROTATE_270,
-                            Image.Transpose.FLIP_LEFT_RIGHT,
-                        ),
-                        6: (Image.Transpose.ROTATE_270,),
-                        7: (Image.Transpose.ROTATE_90, Image.Transpose.FLIP_LEFT_RIGHT),
-                        8: (Image.Transpose.ROTATE_90,),
-                    }
-
-                    for transpose in ORIENTATION_TO_TRANSPOSE[orientation]:
-                        image = image.transpose(transpose)
+        image = ImageOps.exif_transpose(self.image)
 
         return PillowImage(image)