lib: bt_graph_create(): accept MIP version

[babeltrace.git] / src / bindings / python / bt2 / bt2 / graph.py

diff --git a/src/bindings/python/bt2/bt2/graph.py b/src/bindings/python/bt2/bt2/graph.py
index b8cdb1f4f9653682baa0830629206b2c68904d24..6c9db7ec96a24b4e97d4b44c993fc2c2a6100514 100644 (file)
--- a/src/bindings/python/bt2/bt2/graph.py
+++ b/src/bindings/python/bt2/bt2/graph.py
@@ -24,7 +24,6 @@ from bt2 import native_bt, object, utils
 from bt2 import interrupter as bt2_interrupter
 from bt2 import connection as bt2_connection
 from bt2 import component as bt2_component
-from bt2 import message_iterator as bt2_message_iterator
 import functools
 from bt2 import port as bt2_port
 from bt2 import logging as bt2_logging
@@ -71,8 +70,13 @@ class Graph(object._SharedObject):
     _get_ref = staticmethod(native_bt.graph_get_ref)
     _put_ref = staticmethod(native_bt.graph_put_ref)
 
-    def __init__(self):
-        ptr = native_bt.graph_create()
+    def __init__(self, mip_version=0):
+        utils._check_uint64(mip_version)
+
+        if mip_version > bt2.get_maximal_mip_version():
+            raise ValueError('unknown MIP version {}'.format(mip_version))
+
+        ptr = native_bt.graph_create(mip_version)
 
         if ptr is None:
             raise bt2._MemoryError('cannot create graph object')
@@ -175,6 +179,10 @@ class Graph(object._SharedObject):
 
         return utils._ListenerHandle(listener_ids, self)
 
+    def run_once(self):
+        status = native_bt.graph_run_once(self._ptr)
+        utils._handle_func_status(status, 'graph object could not run once')
+
     def run(self):
         status = native_bt.graph_run(self._ptr)
 
@@ -192,14 +200,3 @@ class Graph(object._SharedObject):
 
     def interrupt(self):
         native_bt.graph_interrupt(self._ptr)
-
-    def create_output_port_message_iterator(self, output_port):
-        utils._check_type(output_port, bt2_port._OutputPort)
-        msg_iter_ptr = native_bt.port_output_message_iterator_create(
-            self._ptr, output_port._ptr
-        )
-
-        if msg_iter_ptr is None:
-            raise bt2._MemoryError('cannot create output port message iterator')
-
-        return bt2_message_iterator._OutputPortMessageIterator(msg_iter_ptr)