Added getxmp() for TIFF

Tests/test_file_tiff.py

@@ -600,6 +600,16 @@ class TestFileTiff:
         with Image.open(outfile) as reloaded:
             assert "icc_profile" not in reloaded.info
 
+    def test_xmp(self):
+        with Image.open("Tests/images/lab.tif") as im:
+            xmp = im.getxmp()
+
+            assert isinstance(xmp, dict)
+
+            description = xmp["xmpmeta"]["RDF"]["Description"]
+            assert description[0]["format"] == "image/tiff"
+            assert description[3]["BitsPerSample"]["Seq"]["li"] == ["8", "8", "8"]
+
     def test_close_on_load_exclusive(self, tmp_path):
         # similar to test_fd_leak, but runs on unixlike os
         tmpfile = str(tmp_path / "temp.tif")

src/PIL/ImageFile.py

@@ -31,6 +31,7 @@ import io
 import struct
 import sys
 import warnings
+import xml.etree.ElementTree
 
 from . import Image
 from ._util import isPath
@@ -309,6 +310,30 @@ class ImageFile(Image.Image):
 
         return self.tell() != frame
 
+    def _getxmp(self, xmp_tags):
+        def get_name(tag):
+            return tag.split("}")[1]
+
+        def get_value(element):
+            children = list(element)
+            if children:
+                value = {get_name(k): v for k, v in element.attrib.items()}
+                for child in children:
+                    name = get_name(child.tag)
+                    child_value = get_value(child)
+                    if name in value:
+                        if not isinstance(value[name], list):
+                            value[name] = [value[name]]
+                        value[name].append(child_value)
+                    else:
+                        value[name] = child_value
+                return value
+            else:
+                return element.text
+
+        root = xml.etree.ElementTree.fromstring(xmp_tags)
+        self._xmp[get_name(root.tag)] = get_value(root)
+
 
 class StubImageFile(ImageFile):
     """

src/PIL/JpegImagePlugin.py

@@ -40,7 +40,6 @@ import subprocess
 import sys
 import tempfile
 import warnings
-import xml.etree.ElementTree
 
 from . import Image, ImageFile, TiffImagePlugin
 from ._binary import i16be as i16
@@ -492,29 +491,7 @@ class JpegImageFile(ImageFile.ImageFile):
             if segment == "APP1":
                 marker, xmp_tags = content.rsplit(b"\x00", 1)
                 if marker == b"http://ns.adobe.com/xap/1.0/":
-
-                    def get_name(tag):
-                        return tag.split("}")[1]
-
-                    def get_value(element):
-                        children = list(element)
-                        if children:
-                            value = {get_name(k): v for k, v in element.attrib.items()}
-                            for child in children:
-                                name = get_name(child.tag)
-                                child_value = get_value(child)
-                                if name in value:
-                                    if not isinstance(value[name], list):
-                                        value[name] = [value[name]]
-                                    value[name].append(child_value)
-                                else:
-                                    value[name] = child_value
-                            return value
-                        else:
-                            return element.text
-
-                    root = xml.etree.ElementTree.fromstring(xmp_tags)
-                    self._xmp[get_name(root.tag)] = get_value(root)
+                    self._getxmp(xmp_tags)
         return self._xmp
 
 

src/PIL/TiffImagePlugin.py

@@ -1032,6 +1032,7 @@ class TiffImageFile(ImageFile.ImageFile):
         self.__fp = self.fp
         self._frame_pos = []
         self._n_frames = None
+        self._xmp = None
 
         logger.debug("*** TiffImageFile._open ***")
         logger.debug(f"- __first: {self.__first}")
@@ -1101,6 +1102,19 @@ class TiffImageFile(ImageFile.ImageFile):
         """Return the current frame number"""
         return self.__frame
 
+    def getxmp(self):
+        """
+        Returns a dictionary containing the XMP tags.
+        :returns: XMP tags in a dictionary.
+        """
+
+        if self._xmp is None:
+            self._xmp = {}
+
+        if 700 in self.tag_v2:
+            self._getxmp(self.tag_v2[700])
+        return self._xmp
+
     def load(self):
         if self.tile and self.use_load_libtiff:
             return self._load_libtiff()