-%include <babeltrace2/graph/message-iterator.h>
-%include <babeltrace2/graph/port-output-message-iterator.h>
-%include <babeltrace2/graph/self-component-port-input-message-iterator.h>
-%include <babeltrace2/graph/self-message-iterator.h>
-
-/* Helper functions for Python */
-%{
-static PyObject *bt_bt2_get_user_component_from_user_msg_iter(
- bt_self_message_iterator *self_message_iterator)
-{
- bt_self_component *self_component = bt_self_message_iterator_borrow_component(self_message_iterator);
- PyObject *py_comp;
-
- BT_ASSERT(self_component);
- py_comp = bt_self_component_get_data(self_component);
- BT_ASSERT(py_comp);
-
- /* Return new reference */
- Py_INCREF(py_comp);
- return py_comp;
-}
-
-static inline
-PyObject *create_pylist_from_messages(bt_message_array_const messages,
- uint64_t message_count)
-{
- uint64_t i;
- PyObject *py_msg_list = PyList_New(message_count);
-
- BT_ASSERT(py_msg_list);
-
- for (i = 0; i < message_count; i++) {
- PyList_SET_ITEM(py_msg_list, i,
- SWIG_NewPointerObj(SWIG_as_voidptr(messages[i]),
- SWIGTYPE_p_bt_message, 0));
- }
-
- return py_msg_list;
+/* Output argument typemap for message_iterator (always appends) */
+%typemap(in, numinputs=0)
+ (bt_self_component_port_input_message_iterator **)
+ (bt_self_component_port_input_message_iterator *temp_msg_iter = NULL) {
+ $1 = &temp_msg_iter;