Parse orientation from XMP tags

Tests/test_file_png.py

@@ -603,6 +603,11 @@ class TestFilePng:
             exif = im._getexif()
         assert exif[274] == 1
 
+    def test_xmp_tags_orientation(self):
+        with Image.open("Tests/images/xmp_tags_orientation.png") as im:
+            exif = im.getexif()
+        assert exif[274] == 3
+
     def test_exif_save(self, tmp_path):
         with Image.open("Tests/images/exif.png") as im:
             test_file = str(tmp_path / "temp.png")

src/PIL/Image.py

@@ -35,6 +35,7 @@ import struct
 import sys
 import tempfile
 import warnings
+import xml.etree.ElementTree
 from collections.abc import Callable, MutableMapping
 from pathlib import Path
 
@@ -1297,10 +1298,30 @@ class Image:
             return tuple(extrema)
         return self.im.getextrema()
 
+    def _parse_xmp_tags(self):
+        if 0x0112 in self._exif:
+            return
+
+        xmp_tags = self.info.get("XML:com.adobe.xmp")
+        if not xmp_tags:
+            return
+
+        root = xml.etree.ElementTree.fromstring(xmp_tags)
+        for elem in root.iter():
+            if elem.tag.endswith("}Description"):
+                break
+        else:
+            return
+
+        orientation = elem.attrib.get("{http://ns.adobe.com/tiff/1.0/}Orientation")
+        if orientation:
+            self._exif[0x0112] = int(orientation)
+
     def getexif(self):
         if self._exif is None:
             self._exif = Exif()
         self._exif.load(self.info.get("exif"))
+        self._parse_xmp_tags()
         return self._exif
 
     def getim(self):

src/PIL/PngImagePlugin.py

@@ -940,6 +940,7 @@ class PngImageFile(ImageFile.ImageFile):
                 "".join(self.info["Raw profile type exif"].split("\n")[3:])
             )
         self._exif.load(exif_info)
+        self._parse_xmp_tags()
         return self._exif
 
     def _close__fp(self):