Added getxmp() method

Tests/test_image_getxmp.py

@@ -0,0 +1,9 @@
+from PIL import Image
+
+
+def test_getxmp():
+    with Image.open("Tests/images/xmp_test.jpg") as im:
+        xmp = im.getxmp()
+
+        assert isinstance(xmp, dict)
+        assert xmp["Description"]["Version"] == "10.4"

src/PIL/Image.py

@@ -539,6 +539,7 @@ def __init__(self):
         self.readonly = 0
         self.pyaccess = None
         self._exif = None
+        self._xmp = None
 
     @property
     def width(self):
@@ -1318,6 +1319,27 @@ def getexif(self):
 
         return self._exif
 
+    def getxmp(self):
+        """
+        Returns a dictionary containing the xmp tags for a given image.
+        :returns: XMP tags in a dictionary.
+        """
+
+        if self._xmp is None:
+            self._xmp = {}
+
+        for segment, content in self.applist:
+            if segment == "APP1":
+                marker, xmp_tags = content.rsplit(b"\x00", 1)
+                if marker == b"http://ns.adobe.com/xap/1.0/":
+                    root = xml.etree.ElementTree.fromstring(xmp_tags)
+                    for element in root.findall(".//"):
+                        self._xmp[element.tag.split("}")[1]] = {
+                            child.split("}")[1]: value
+                            for child, value in element.attrib.items()
+                        }
+        return self._xmp
+
     def getim(self):
         """
         Returns a capsule that points to the internal image memory.