X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fmessage_iterator.py;h=56f67a5ad1b268c6425c3f7b7add6ee785b5014e;hb=415d43a1b12feae338e910af6d6a1865054c2ef4;hp=ed5b8e58614cebf7d01f3313f50c267d84936a3e;hpb=157a98edd5aebe1b6ab7f60a49d8430450fabe76;p=babeltrace.git

diff --git a/src/bindings/python/bt2/bt2/message_iterator.py b/src/bindings/python/bt2/bt2/message_iterator.py
index ed5b8e58..56f67a5a 100644
--- a/src/bindings/python/bt2/bt2/message_iterator.py
+++ b/src/bindings/python/bt2/bt2/message_iterator.py
@@ -218,6 +218,9 @@ class _UserMessageIterator(_MessageIterator):
     def _create_message_iterator(self, input_port):
         utils._check_type(input_port, bt2_port._UserComponentInputPort)
 
+        if not input_port.is_connected:
+            raise ValueError('input port is not connected')
+
         (
             status,
             msg_iter_ptr,