X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fcomponent.py;h=43e3ce1645bb90fe4c4a80f9e4b853ea70640af1;hb=9b4f9b425f2efce9a6ccc25f7ae062ebc1116a7d;hp=07cccec90e035a1b8d800c23e0063445ef046823;hpb=ce4923b0c7a2de36eba95725334d251e9aa08aad;p=babeltrace.git

diff --git a/src/bindings/python/bt2/bt2/component.py b/src/bindings/python/bt2/bt2/component.py
index 07cccec9..43e3ce16 100644
--- a/src/bindings/python/bt2/bt2/component.py
+++ b/src/bindings/python/bt2/bt2/component.py
@@ -499,7 +499,7 @@ class _UserComponentType(type):
             )
 
         if cc_ptr is None:
-            raise bt2.CreationError(
+            raise bt2._MemoryError(
                 "cannot create component class '{}'".format(class_name)
             )
 
@@ -677,7 +677,7 @@ class _UserComponent(metaclass=_UserComponentType):
         tc_ptr = native_bt.trace_class_create(ptr)
 
         if tc_ptr is None:
-            raise bt2.CreationError('could not create trace class')
+            raise bt2._MemoryError('could not create trace class')
 
         tc = bt2._TraceClass._create_from_ptr(tc_ptr)
         tc._assigns_automatic_stream_class_id = assigns_automatic_stream_class_id
@@ -698,7 +698,7 @@ class _UserComponent(metaclass=_UserComponentType):
         cc_ptr = native_bt.clock_class_create(ptr)
 
         if cc_ptr is None:
-            raise bt2.CreationError('could not create clock class')
+            raise bt2._MemoryError('could not create clock class')
 
         cc = bt2.clock_class._ClockClass._create_from_ptr(cc_ptr)
 
@@ -852,3 +852,19 @@ class _UserSinkComponent(_UserComponent, _SinkComponent):
         )
         assert self_port_ptr
         return bt2.port._UserComponentInputPort._create_from_ptr(self_port_ptr)
+
+    def _create_input_port_message_iterator(self, input_port):
+        utils._check_type(input_port, bt2.port._UserComponentInputPort)
+
+        msg_iter_ptr = native_bt.self_component_port_input_message_iterator_create_from_sink_component(
+            self._bt_ptr, input_port._ptr
+        )
+
+        if msg_iter_ptr is None:
+            raise bt2.CreationError('cannot create message iterator object')
+
+        return bt2.message_iterator._UserComponentInputPortMessageIterator(msg_iter_ptr)
+
+    @property
+    def _is_interrupted(self):
+        return bool(native_bt.self_component_sink_is_interrupted(self._bt_ptr))