# THE SOFTWARE.
from bt2 import native_bt, object, utils
-import bt2.message_iterator
+from bt2 import message_iterator as bt2_message_iterator
import collections.abc
-import bt2.value
+from bt2 import value as bt2_value
+from bt2 import trace_class as bt2_trace_class
+from bt2 import clock_class as bt2_clock_class
+from bt2 import query_executor as bt2_query_executor
import traceback
-import bt2.port
+from bt2 import port as bt2_port
import sys
import bt2
import os
# pointer to a 'bt_component_class *'.
-class _GenericComponentClass(object._SharedObject):
+class _ComponentClass(object._SharedObject):
@property
def name(self):
ptr = self._bt_as_component_class_ptr(self._ptr)
return self._bt_as_component_class_ptr(self._ptr)
def __eq__(self, other):
- if not isinstance(other, _GenericComponentClass):
+ if not isinstance(other, _ComponentClass):
try:
if not issubclass(other, _UserComponent):
return False
return self.addr == other.addr
-class _GenericSourceComponentClass(_GenericComponentClass):
+class _SourceComponentClass(_ComponentClass):
_get_ref = staticmethod(native_bt.component_class_source_get_ref)
_put_ref = staticmethod(native_bt.component_class_source_put_ref)
_bt_as_component_class_ptr = staticmethod(
)
-class _GenericFilterComponentClass(_GenericComponentClass):
+class _FilterComponentClass(_ComponentClass):
_get_ref = staticmethod(native_bt.component_class_filter_get_ref)
_put_ref = staticmethod(native_bt.component_class_filter_put_ref)
_bt_as_component_class_ptr = staticmethod(
)
-class _GenericSinkComponentClass(_GenericComponentClass):
+class _SinkComponentClass(_ComponentClass):
_get_ref = staticmethod(native_bt.component_class_sink_get_ref)
_put_ref = staticmethod(native_bt.component_class_sink_put_ref)
_bt_as_component_class_ptr = staticmethod(
_bt_as_component_ptr = staticmethod(native_bt.component_sink_as_component_const)
-# This is analogous to _GenericSourceComponentClass, but for source
+# This is analogous to _SourceComponentClass, but for source
# component objects.
class _GenericSourceComponent(object._SharedObject, _SourceComponent):
_get_ref = staticmethod(native_bt.component_source_get_ref)
native_bt.component_source_borrow_output_port_by_name_const,
native_bt.component_source_borrow_output_port_by_index_const,
native_bt.component_source_get_output_port_count,
- bt2.port._OutputPort,
+ bt2_port._OutputPort,
)
-# This is analogous to _GenericFilterComponentClass, but for filter
+# This is analogous to _FilterComponentClass, but for filter
# component objects.
class _GenericFilterComponent(object._SharedObject, _FilterComponent):
_get_ref = staticmethod(native_bt.component_filter_get_ref)
native_bt.component_filter_borrow_output_port_by_name_const,
native_bt.component_filter_borrow_output_port_by_index_const,
native_bt.component_filter_get_output_port_count,
- bt2.port._OutputPort,
+ bt2_port._OutputPort,
)
@property
native_bt.component_filter_borrow_input_port_by_name_const,
native_bt.component_filter_borrow_input_port_by_index_const,
native_bt.component_filter_get_input_port_count,
- bt2.port._InputPort,
+ bt2_port._InputPort,
)
-# This is analogous to _GenericSinkComponentClass, but for sink
+# This is analogous to _SinkComponentClass, but for sink
# component objects.
class _GenericSinkComponent(object._SharedObject, _SinkComponent):
_get_ref = staticmethod(native_bt.component_sink_get_ref)
native_bt.component_sink_borrow_input_port_by_name_const,
native_bt.component_sink_borrow_input_port_by_index_const,
native_bt.component_sink_get_input_port_count,
- bt2.port._InputPort,
+ bt2_port._InputPort,
)
_COMP_CLS_TYPE_TO_GENERIC_COMP_CLS_PYCLS = {
- native_bt.COMPONENT_CLASS_TYPE_SOURCE: _GenericSourceComponentClass,
- native_bt.COMPONENT_CLASS_TYPE_FILTER: _GenericFilterComponentClass,
- native_bt.COMPONENT_CLASS_TYPE_SINK: _GenericSinkComponentClass,
+ native_bt.COMPONENT_CLASS_TYPE_SOURCE: _SourceComponentClass,
+ native_bt.COMPONENT_CLASS_TYPE_FILTER: _FilterComponentClass,
+ native_bt.COMPONENT_CLASS_TYPE_SINK: _SinkComponentClass,
}
# Create a component class Python object of type
-# _GenericSourceComponentClass, _GenericFilterComponentClass or
-# _GenericSinkComponentClass, depending on comp_cls_type.
+# _SourceComponentClass, _FilterComponentClass or
+# _SinkComponentClass, depending on comp_cls_type.
#
# Acquires a new reference to ptr.
# creates a native BT component class of the corresponding type and
# associates it with this user-defined class. The metaclass also defines
# class methods like the `name` and `description` properties to match
-# the _GenericComponentClass interface.
+# the _ComponentClass interface.
#
# The component class name which is used is either:
#
cls, comp_cls_name, comp_cls_descr, comp_cls_help
)
elif _UserSinkComponent in bases:
- if not hasattr(cls, '_consume'):
- raise bt2.IncompleteUserClass(
- "cannot create component class '{}': missing a _consume() method".format(
+ if not hasattr(cls, '_user_consume'):
+ raise bt2._IncompleteUserClass(
+ "cannot create component class '{}': missing a _user_consume() method".format(
class_name
)
)
cls, comp_cls_name, comp_cls_descr, comp_cls_help
)
else:
- raise bt2.IncompleteUserClass(
+ raise bt2._IncompleteUserClass(
"cannot find a known component class base in the bases of '{}'".format(
class_name
)
# call user's __init__() method
if params_ptr is not None:
- params = bt2.value._create_from_ptr_and_get_ref(params_ptr)
+ params = bt2_value._create_from_ptr_and_get_ref(params_ptr)
else:
params = None
@staticmethod
def _bt_set_iterator_class(cls, iter_cls):
if iter_cls is None:
- raise bt2.IncompleteUserClass(
+ raise bt2._IncompleteUserClass(
"cannot create component class '{}': missing message iterator class".format(
cls.__name__
)
)
- if not issubclass(iter_cls, bt2.message_iterator._UserMessageIterator):
- raise bt2.IncompleteUserClass(
+ if not issubclass(iter_cls, bt2_message_iterator._UserMessageIterator):
+ raise bt2._IncompleteUserClass(
"cannot create component class '{}': message iterator class does not inherit bt2._UserMessageIterator".format(
cls.__name__
)
)
if not hasattr(iter_cls, '__next__'):
- raise bt2.IncompleteUserClass(
+ raise bt2._IncompleteUserClass(
"cannot create component class '{}': message iterator class is missing a __next__() method".format(
cls.__name__
)
# this can raise, in which case the native call to
# bt_component_class_query() returns NULL
if params_ptr is not None:
- params = bt2.value._create_from_ptr_and_get_ref(params_ptr)
+ params = bt2_value._create_from_ptr_and_get_ref(params_ptr)
else:
params = None
- query_exec = bt2.QueryExecutor._create_from_ptr_and_get_ref(query_exec_ptr)
+ query_exec = bt2_query_executor.QueryExecutor._create_from_ptr_and_get_ref(
+ query_exec_ptr
+ )
# this can raise, but the native side checks the exception
- results = cls._query(query_exec, obj, params, log_level)
+ results = cls._user_query(query_exec, obj, params, log_level)
# this can raise, but the native side checks the exception
results = bt2.create_value(results)
results_ptr = results._ptr
# We return a new reference.
- bt2.value._Value._get_ref(results_ptr)
+ bt2_value._Value._get_ref(results_ptr)
return int(results_ptr)
- def _query(cls, query_executor, obj, params, log_level):
- raise NotImplementedError
+ def _user_query(cls, query_executor, obj, params, log_level):
+ raise bt2.UnknownObject
def _bt_component_class_ptr(self):
return self._bt_as_component_class_ptr(self._bt_cc_ptr)
def __init__(self, params=None):
pass
- def _finalize(self):
+ def _user_finalize(self):
pass
- def _port_connected(self, port, other_port):
+ def _user_port_connected(self, port, other_port):
pass
def _bt_port_connected_from_native(
self, self_port_ptr, self_port_type, other_port_ptr
):
- port = bt2.port._create_self_from_ptr_and_get_ref(self_port_ptr, self_port_type)
+ port = bt2_port._create_self_from_ptr_and_get_ref(self_port_ptr, self_port_type)
if self_port_type == native_bt.PORT_TYPE_OUTPUT:
other_port_type = native_bt.PORT_TYPE_INPUT
else:
other_port_type = native_bt.PORT_TYPE_OUTPUT
- other_port = bt2.port._create_from_ptr_and_get_ref(
+ other_port = bt2_port._create_from_ptr_and_get_ref(
other_port_ptr, other_port_type
)
- self._port_connected(port, other_port)
+ self._user_port_connected(port, other_port)
def _create_trace_class(self, assigns_automatic_stream_class_id=True):
ptr = self._bt_as_self_component_ptr(self._bt_ptr)
if tc_ptr is None:
raise bt2._MemoryError('could not create trace class')
- tc = bt2._TraceClass._create_from_ptr(tc_ptr)
+ tc = bt2_trace_class._TraceClass._create_from_ptr(tc_ptr)
tc._assigns_automatic_stream_class_id = assigns_automatic_stream_class_id
return tc
if cc_ptr is None:
raise bt2._MemoryError('could not create clock class')
- cc = bt2.clock_class._ClockClass._create_from_ptr(cc_ptr)
+ cc = bt2_clock_class._ClockClass._create_from_ptr(cc_ptr)
if frequency is not None:
cc._frequency = frequency
native_bt.self_component_source_borrow_output_port_by_name,
native_bt.self_component_source_borrow_output_port_by_index,
get_output_port_count,
- bt2.port._UserComponentOutputPort,
+ bt2_port._UserComponentOutputPort,
)
def _add_output_port(self, name, user_data=None):
comp_status, 'cannot add output port to source component object'
)
assert self_port_ptr is not None
- return bt2.port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
class _UserFilterComponent(_UserComponent, _FilterComponent):
native_bt.self_component_filter_borrow_output_port_by_name,
native_bt.self_component_filter_borrow_output_port_by_index,
get_output_port_count,
- bt2.port._UserComponentOutputPort,
+ bt2_port._UserComponentOutputPort,
)
@property
native_bt.self_component_filter_borrow_input_port_by_name,
native_bt.self_component_filter_borrow_input_port_by_index,
get_input_port_count,
- bt2.port._UserComponentInputPort,
+ bt2_port._UserComponentInputPort,
)
def _add_output_port(self, name, user_data=None):
comp_status, 'cannot add output port to filter component object'
)
assert self_port_ptr
- return bt2.port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
def _add_input_port(self, name, user_data=None):
utils._check_str(name)
comp_status, 'cannot add input port to filter component object'
)
assert self_port_ptr
- return bt2.port._UserComponentInputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentInputPort._create_from_ptr(self_port_ptr)
class _UserSinkComponent(_UserComponent, _SinkComponent):
)
def _bt_graph_is_configured_from_native(self):
- self._graph_is_configured()
+ self._user_graph_is_configured()
- def _graph_is_configured(self):
+ def _user_graph_is_configured(self):
pass
@property
native_bt.self_component_sink_borrow_input_port_by_name,
native_bt.self_component_sink_borrow_input_port_by_index,
get_input_port_count,
- bt2.port._UserComponentInputPort,
+ bt2_port._UserComponentInputPort,
)
def _add_input_port(self, name, user_data=None):
comp_status, 'cannot add input port to sink component object'
)
assert self_port_ptr
- return bt2.port._UserComponentInputPort._create_from_ptr(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)
+ 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)
+ 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))
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