Support pickling XMP tags.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/pyexiv2/xmp.py b/src/pyexiv2/xmp.py
index 8223a24..ab2edeb 100644
--- a/src/pyexiv2/xmp.py
+++ b/src/pyexiv2/xmp.py
@@ -467,6 +467,15 @@ class XmpTag(object):
              right = self._raw_value
         return '<%s = %s>' % (left, right)
 
+    # Support for pickling.
+    def __getstate__(self):
+        return (self.key, self.raw_value)
+
+    def __setstate__(self, state):
+        key, raw_value = state
+        self._tag = libexiv2python._XmpTag(key)
+        self.raw_value = raw_value
+
 
 def register_namespace(name, prefix):
     """