X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fgraph.py;h=a3926e5951ff14df902f47c5b5203281bad27cbd;hp=b1d59700c8cc100c50d3c28809d82edf7495cf04;hb=f3d6b4c2f7592fde9ff770989b25bacaa4820dc8;hpb=2945edfe752782d2528af21bdbd3bbfef4cd51ca

diff --git a/src/bindings/python/bt2/bt2/graph.py b/src/bindings/python/bt2/bt2/graph.py
index b1d59700..a3926e59 100644
--- a/src/bindings/python/bt2/bt2/graph.py
+++ b/src/bindings/python/bt2/bt2/graph.py
@@ -57,6 +57,10 @@ class Graph(object._SharedObject):
 
         super().__init__(ptr)
 
+        # list of listener partials to keep a reference as long as
+        # this graph exists
+        self._listener_partials = []
+
     def add_component(
         self,
         component_class,
@@ -140,6 +144,9 @@ class Graph(object._SharedObject):
         if listener_ids is None:
             raise bt2._Error('cannot add listener to graph object')
 
+        # keep the partial's reference
+        self._listener_partials.append(listener_from_native)
+
     def run_once(self):
         status = native_bt.graph_run_once(self._ptr)
         utils._handle_func_status(status, 'graph object could not run once')