X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=bindings%2Fpython%2Fnotmuch%2Fquery.py;h=14c00cd53cd64f802f6bfe39b536649e544a99cc;hp=d4a93d5b6bf237299e906cc699d7d92a2fbe9c7f;hb=ff8f864245c3ac54cc23aa47af09c95cde484abb;hpb=4315ac015a1ba329880031805f4706731b3c1ef4

diff --git a/bindings/python/notmuch/query.py b/bindings/python/notmuch/query.py
index d4a93d5b..14c00cd5 100644
--- a/bindings/python/notmuch/query.py
+++ b/bindings/python/notmuch/query.py
@@ -182,6 +182,25 @@ class Query(object):
         self._assert_query_is_initialized()
         return Query._count_messages(self._query)
 
+    _count_threads = nmlib.notmuch_query_count_threads
+    _count_threads.argtypes = [NotmuchQueryP]
+    _count_threads.restype = c_uint
+
+    def count_threads(self):
+        '''
+        This function performs a search and returns the number of
+        unique thread IDs in the matching messages. This is the same
+        as number of threads matching a search.
+
+        Note that this is a significantly heavier operation than
+        meth:`Query.count_messages`.
+
+        :returns: the number of threads returned by this query
+        :rtype:   int
+        '''
+        self._assert_query_is_initialized()
+        return Query._count_threads(self._query)
+
     _destroy = nmlib.notmuch_query_destroy
     _destroy.argtypes = [NotmuchQueryP]
     _destroy.restype = None