# THE SOFTWARE.
from bt2 import native_bt, object, utils
-import bt2.interrupter
-import bt2.connection
-import bt2.component
+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
-import bt2.port
-import bt2.logging
+from bt2 import port as bt2_port
+from bt2 import logging as bt2_logging
import bt2
def _graph_port_added_listener_from_native(
user_listener, component_ptr, component_type, port_ptr, port_type
):
- component = bt2.component._create_component_from_ptr_and_get_ref(
+ component = bt2_component._create_component_from_ptr_and_get_ref(
component_ptr, component_type
)
- port = bt2.port._create_from_ptr_and_get_ref(port_ptr, port_type)
+ port = bt2_port._create_from_ptr_and_get_ref(port_ptr, port_type)
user_listener(component, port)
downstream_component_type,
downstream_port_ptr,
):
- upstream_component = bt2.component._create_component_from_ptr_and_get_ref(
+ upstream_component = bt2_component._create_component_from_ptr_and_get_ref(
upstream_component_ptr, upstream_component_type
)
- upstream_port = bt2.port._create_from_ptr_and_get_ref(
+ upstream_port = bt2_port._create_from_ptr_and_get_ref(
upstream_port_ptr, native_bt.PORT_TYPE_OUTPUT
)
- downstream_component = bt2.component._create_component_from_ptr_and_get_ref(
+ downstream_component = bt2_component._create_component_from_ptr_and_get_ref(
downstream_component_ptr, downstream_component_type
)
- downstream_port = bt2.port._create_from_ptr_and_get_ref(
+ downstream_port = bt2_port._create_from_ptr_and_get_ref(
downstream_port_ptr, native_bt.PORT_TYPE_INPUT
)
user_listener(
component_class,
name,
params=None,
- logging_level=bt2.logging.LoggingLevel.NONE,
+ logging_level=bt2_logging.LoggingLevel.NONE,
):
- if isinstance(component_class, bt2.component._SourceComponentClass):
+ if isinstance(component_class, bt2_component._SourceComponentClass):
cc_ptr = component_class._ptr
add_fn = native_bt.graph_add_source_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SOURCE
- elif isinstance(component_class, bt2.component._FilterComponentClass):
+ elif isinstance(component_class, bt2_component._FilterComponentClass):
cc_ptr = component_class._ptr
add_fn = native_bt.graph_add_filter_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_FILTER
- elif isinstance(component_class, bt2.component._SinkComponentClass):
+ elif isinstance(component_class, bt2_component._SinkComponentClass):
cc_ptr = component_class._ptr
add_fn = native_bt.graph_add_sink_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SINK
- elif issubclass(component_class, bt2.component._UserSourceComponent):
+ elif issubclass(component_class, bt2_component._UserSourceComponent):
cc_ptr = component_class._bt_cc_ptr
add_fn = native_bt.graph_add_source_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SOURCE
- elif issubclass(component_class, bt2.component._UserSinkComponent):
+ elif issubclass(component_class, bt2_component._UserSinkComponent):
cc_ptr = component_class._bt_cc_ptr
add_fn = native_bt.graph_add_sink_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_SINK
- elif issubclass(component_class, bt2.component._UserFilterComponent):
+ elif issubclass(component_class, bt2_component._UserFilterComponent):
cc_ptr = component_class._bt_cc_ptr
add_fn = native_bt.graph_add_filter_component
cc_type = native_bt.COMPONENT_CLASS_TYPE_FILTER
status, comp_ptr = add_fn(self._ptr, cc_ptr, name, params_ptr, 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 bt2_component._create_component_from_ptr(comp_ptr, cc_type)
def connect_ports(self, upstream_port, downstream_port):
- utils._check_type(upstream_port, bt2.port._OutputPort)
- utils._check_type(downstream_port, bt2.port._InputPort)
+ utils._check_type(upstream_port, bt2_port._OutputPort)
+ utils._check_type(downstream_port, bt2_port._InputPort)
status, conn_ptr = native_bt.graph_connect_ports(
self._ptr, upstream_port._ptr, downstream_port._ptr
)
utils._handle_func_status(status, 'cannot connect component ports within graph')
assert conn_ptr
- return bt2.connection._Connection._create_from_ptr(conn_ptr)
+ return bt2_connection._Connection._create_from_ptr(conn_ptr)
def add_port_added_listener(self, listener):
if not callable(listener):
if listener_ids is None:
raise bt2._Error('cannot add listener to graph object')
- return bt2.utils._ListenerHandle(listener_ids, self)
+ return utils._ListenerHandle(listener_ids, self)
def add_ports_connected_listener(self, listener):
if not callable(listener):
if listener_ids is None:
raise bt2._Error('cannot add listener to graph object')
- return bt2.utils._ListenerHandle(listener_ids, self)
+ return utils._ListenerHandle(listener_ids, self)
def run(self):
status = native_bt.graph_run(self._ptr)
raise
def add_interrupter(self, interrupter):
- utils._check_type(interrupter, bt2.interrupter.Interrupter)
+ utils._check_type(interrupter, bt2_interrupter.Interrupter)
native_bt.graph_add_interrupter(self._ptr, interrupter._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)
+ 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)
+ return bt2_message_iterator._OutputPortMessageIterator(msg_iter_ptr)