X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=bindings%2Fpython-cffi%2Fnotmuch2%2F_tags.py;h=3b14c981a4d9a09ed60430309184c0dae910a3b0;hb=2d895a0119b423b117d10e890c9e0eb5d2a9cdf8;hp=fe422a7944882d568eeaf81e2a3b7f8099db2bf9;hpb=e2df30f7a98f91543d0b3561dbb366eb4b3d812c;p=notmuch

diff --git a/bindings/python-cffi/notmuch2/_tags.py b/bindings/python-cffi/notmuch2/_tags.py
index fe422a79..3b14c981 100644
--- a/bindings/python-cffi/notmuch2/_tags.py
+++ b/bindings/python-cffi/notmuch2/_tags.py
@@ -110,6 +110,27 @@ class ImmutableTagSet(base.NotmuchObject, collections.abc.Set):
     def __eq__(self, other):
         return tuple(sorted(self.iter())) == tuple(sorted(other.iter()))
 
+    def issubset(self, other):
+        return self <= other
+
+    def issuperset(self, other):
+        return self >= other
+
+    def union(self, other):
+        return self | other
+
+    def intersection(self, other):
+        return self & other
+
+    def difference(self, other):
+        return self - other
+
+    def symmetric_difference(self, other):
+        return self ^ other
+
+    def copy(self):
+        return set(self)
+
     def __hash__(self):
         return hash(tuple(self.iter()))
 
@@ -277,7 +298,7 @@ class TagsIter(base.NotmuchObject, collections.abc.Iterator):
     :param errors: If using a codec, this is the error handler.
        See :func:`str.decode` to which this is passed on.
 
-    :raises ObjectDestoryedError: if used after destroyed.
+    :raises ObjectDestroyedError: if used after destroyed.
     """
     _tags_p = base.MemoryPointer()