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
_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')
component_class,
name,
params=None,
+ obj=None,
logging_level=bt2_logging.LoggingLevel.NONE,
):
if isinstance(component_class, bt2_component._SourceComponentClass):
cc_ptr = component_class._ptr
- add_fn = native_bt.graph_add_source_component
+ add_fn = native_bt.bt2_graph_add_source_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SOURCE
elif isinstance(component_class, bt2_component._FilterComponentClass):
cc_ptr = component_class._ptr
- add_fn = native_bt.graph_add_filter_component
+ add_fn = native_bt.bt2_graph_add_filter_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_FILTER
elif isinstance(component_class, bt2_component._SinkComponentClass):
cc_ptr = component_class._ptr
- add_fn = native_bt.graph_add_sink_component
+ add_fn = native_bt.bt2_graph_add_sink_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SINK
elif issubclass(component_class, bt2_component._UserSourceComponent):
cc_ptr = component_class._bt_cc_ptr
- add_fn = native_bt.graph_add_source_component
+ add_fn = native_bt.bt2_graph_add_source_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SOURCE
elif issubclass(component_class, bt2_component._UserSinkComponent):
cc_ptr = component_class._bt_cc_ptr
- add_fn = native_bt.graph_add_sink_component
+ add_fn = native_bt.bt2_graph_add_sink_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SINK
elif issubclass(component_class, bt2_component._UserFilterComponent):
cc_ptr = component_class._bt_cc_ptr
- add_fn = native_bt.graph_add_filter_component
+ add_fn = native_bt.bt2_graph_add_filter_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_FILTER
else:
raise TypeError(
utils._check_str(name)
utils._check_log_level(logging_level)
- params = bt2.create_value(params)
+ base_cc_ptr = component_class._bt_component_class_ptr()
+ if obj is not None and not native_bt.bt2_is_python_component_class(base_cc_ptr):
+ raise ValueError('cannot pass a Python object to a non-Python component')
+
+ params = bt2.create_value(params)
params_ptr = params._ptr if params is not None else None
- status, comp_ptr = add_fn(self._ptr, cc_ptr, name, params_ptr, logging_level)
+ status, comp_ptr = add_fn(
+ self._ptr, cc_ptr, name, params_ptr, obj, logging_level
+ )
utils._handle_func_status(status, 'cannot add component to graph')
assert comp_ptr
return bt2_component._create_component_from_ptr(comp_ptr, cc_type)
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)
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)