Merge pull request #6758 from radarhere/webp_getxmp

Resolves https://github.com/python-pillow/Pillow/issues/6757

Tests/test_file_webp_metadata.py

@@ -11,6 +11,11 @@ pytestmark = [
     skip_unless_feature("webp_mux"),
 ]
 
+try:
+    from defusedxml import ElementTree
+except ImportError:
+    ElementTree = None
+
 
 def test_read_exif_metadata():
 
@@ -110,6 +115,22 @@ def test_read_no_exif():
         assert not webp_image._getexif()
 
 
+def test_getxmp():
+    with Image.open("Tests/images/flower.webp") as im:
+        assert "xmp" not in im.info
+        assert im.getxmp() == {}
+
+    with Image.open("Tests/images/flower2.webp") as im:
+        if ElementTree is None:
+            with pytest.warns(UserWarning):
+                assert im.getxmp() == {}
+        else:
+            assert (
+                im.getxmp()["xmpmeta"]["xmptk"]
+                == "Adobe XMP Core 5.3-c011 66.145661, 2012/02/06-14:56:27        "
+            )
+
+
 @skip_unless_feature("webp_anim")
 def test_write_animated_metadata(tmp_path):
     iccp_data = b"<iccp_data>"

docs/releasenotes/9.4.0.rst

@@ -45,6 +45,12 @@ removes the hidden RGB values for better compression by default in libwebp 0.5
 or later. By setting this option to ``True``, the encoder will keep the hidden
 RGB values.
 
+getxmp()
+^^^^^^^^
+
+`XMP data <https://en.wikipedia.org/wiki/Extensible_Metadata_Platform>`_ can now be
+decoded for WEBP images through ``getxmp()``.
+
 Security
 ========
 

src/PIL/WebPImagePlugin.py

@@ -98,6 +98,15 @@ class WebPImageFile(ImageFile.ImageFile):
             return None
         return self.getexif()._get_merged_dict()
 
+    def getxmp(self):
+        """
+        Returns a dictionary containing the XMP tags.
+        Requires defusedxml to be installed.
+
+        :returns: XMP tags in a dictionary.
+        """
+        return self._getxmp(self.info["xmp"]) if "xmp" in self.info else {}
+
     def seek(self, frame):
         if not self._seek_check(frame):
             return