# THE SOFTWARE.
from bt2 import native_bt, object, utils
-import bt2.message
+from bt2 import message as bt2_message
import collections.abc
-import bt2.component
-import bt2.port
+from bt2 import stream as bt2_stream
+from bt2 import event_class as bt2_event_class
+from bt2 import packet as bt2_packet
+from bt2 import port as bt2_port
+from bt2 import clock_class as bt2_clock_class
import bt2
msg_ptr = self._current_msgs[self._at]
self._at += 1
- return bt2.message._create_from_ptr(msg_ptr)
+ return bt2_message._create_from_ptr(msg_ptr)
@property
def can_seek_beginning(self):
return res != 0
def seek_beginning(self):
- # Forget about buffered messages, they won't be valid after seeking..
+ # Forget about buffered messages, they won't be valid after seeking.
self._current_msgs.clear()
self._at = 0
)
-# This is created when the user wants to iterate on a component's output port,
-# from outside the graph.
-class _OutputPortMessageIterator(_GenericMessageIterator):
- _get_msg_range = staticmethod(native_bt.bt2_port_output_get_msg_range)
- _get_ref = staticmethod(native_bt.port_output_message_iterator_get_ref)
- _put_ref = staticmethod(native_bt.port_output_message_iterator_put_ref)
- _can_seek_beginning = staticmethod(
- native_bt.port_output_message_iterator_can_seek_beginning
- )
- _seek_beginning = staticmethod(
- native_bt.port_output_message_iterator_seek_beginning
- )
-
-
# This is extended by the user to implement component classes in Python. It
# is created for a given output port when an input port message iterator is
# created on the input port on the other side of the connection. It is also
return self
def _bt_init_from_native(self, self_output_port_ptr):
- self_output_port = bt2.port._create_self_from_ptr_and_get_ref(
+ self_output_port = bt2_port._create_self_from_ptr_and_get_ref(
self_output_port_ptr, native_bt.PORT_TYPE_OUTPUT
)
self.__init__(self_output_port)
def addr(self):
return int(self._bt_ptr)
- def _finalize(self):
+ @property
+ def _is_interrupted(self):
+ return bool(native_bt.self_message_iterator_is_interrupted(self._bt_ptr))
+
+ def _user_finalize(self):
pass
def __next__(self):
msg = next(self)
except StopIteration:
raise bt2.Stop
- except:
+ except Exception:
raise
- utils._check_type(msg, bt2.message._Message)
+ utils._check_type(msg, bt2_message._MessageConst)
# The reference we return will be given to the message array.
# However, the `msg` Python object may stay alive, if the user has kept
def _bt_can_seek_beginning_from_native(self):
# Here, we mimic the behavior of the C API:
#
- # - If the iterator has a _can_seek_beginning attribute, read it and use
- # that result.
- # - Otherwise, the presence or absence of a `_seek_beginning`
+ # - If the iterator has a _user_can_seek_beginning attribute,
+ # read it and use that result.
+ # - Otherwise, the presence or absence of a `_user_seek_beginning`
# method indicates whether the iterator can seek beginning.
- if hasattr(self, '_can_seek_beginning'):
- can_seek_beginning = self._can_seek_beginning
+ if hasattr(self, '_user_can_seek_beginning'):
+ can_seek_beginning = self._user_can_seek_beginning
utils._check_bool(can_seek_beginning)
return can_seek_beginning
else:
- return hasattr(self, '_seek_beginning')
+ return hasattr(self, '_user_seek_beginning')
def _bt_seek_beginning_from_native(self):
- self._seek_beginning()
+ self._user_seek_beginning()
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_message_iterator(
+ status, msg_iter_ptr = native_bt.bt2_self_component_port_input_message_iterator_create_from_message_iterator(
self._bt_ptr, input_port._ptr
)
-
- if msg_iter_ptr is None:
- raise bt2.CreationError('cannot create message iterator object')
+ utils._handle_func_status(status, 'cannot create message iterator object')
+ assert msg_iter_ptr is not None
return _UserComponentInputPortMessageIterator(msg_iter_ptr)
- def _create_event_message(
- self, event_class, parent=None, default_clock_snapshot=None
- ):
- utils._check_type(event_class, bt2.event_class._EventClass)
+ def _create_event_message(self, event_class, parent, default_clock_snapshot=None):
+ utils._check_type(event_class, bt2_event_class._EventClass)
if event_class.stream_class.supports_packets:
- utils._check_type(parent, bt2.packet._Packet)
+ utils._check_type(parent, bt2_packet._Packet)
else:
- utils._check_type(parent, bt2.stream._Stream)
+ utils._check_type(parent, bt2_stream._Stream)
if default_clock_snapshot is not None:
if event_class.stream_class.default_clock_class is None:
if ptr is None:
raise bt2._MemoryError('cannot create event message object')
- return bt2.message._EventMessage(ptr)
+ return bt2_message._EventMessage(ptr)
def _create_message_iterator_inactivity_message(self, clock_class, clock_snapshot):
- utils._check_type(clock_class, bt2.clock_class._ClockClass)
+ utils._check_type(clock_class, bt2_clock_class._ClockClass)
ptr = native_bt.message_message_iterator_inactivity_create(
self._bt_ptr, clock_class._ptr, clock_snapshot
)
if ptr is None:
raise bt2._MemoryError('cannot create inactivity message object')
- return bt2.message._MessageIteratorInactivityMessage(ptr)
+ return bt2_message._MessageIteratorInactivityMessage(ptr)
def _create_stream_beginning_message(self, stream, default_clock_snapshot=None):
- utils._check_type(stream, bt2.stream._Stream)
+ utils._check_type(stream, bt2_stream._Stream)
ptr = native_bt.message_stream_beginning_create(self._bt_ptr, stream._ptr)
if ptr is None:
raise bt2._MemoryError('cannot create stream beginning message object')
- msg = bt2.message._StreamBeginningMessage(ptr)
+ msg = bt2_message._StreamBeginningMessage(ptr)
if default_clock_snapshot is not None:
msg._default_clock_snapshot = default_clock_snapshot
return msg
def _create_stream_end_message(self, stream, default_clock_snapshot=None):
- utils._check_type(stream, bt2.stream._Stream)
+ utils._check_type(stream, bt2_stream._Stream)
ptr = native_bt.message_stream_end_create(self._bt_ptr, stream._ptr)
if ptr is None:
raise bt2._MemoryError('cannot create stream end message object')
- msg = bt2.message._StreamEndMessage(ptr)
+ msg = bt2_message._StreamEndMessage(ptr)
if default_clock_snapshot is not None:
msg._default_clock_snapshot = default_clock_snapshot
return msg
def _create_packet_beginning_message(self, packet, default_clock_snapshot=None):
- utils._check_type(packet, bt2.packet._Packet)
+ utils._check_type(packet, bt2_packet._Packet)
if packet.stream.cls.packets_have_beginning_default_clock_snapshot:
if default_clock_snapshot is None:
if ptr is None:
raise bt2._MemoryError('cannot create packet beginning message object')
- return bt2.message._PacketBeginningMessage(ptr)
+ return bt2_message._PacketBeginningMessage(ptr)
def _create_packet_end_message(self, packet, default_clock_snapshot=None):
- utils._check_type(packet, bt2.packet._Packet)
+ utils._check_type(packet, bt2_packet._Packet)
if packet.stream.cls.packets_have_end_default_clock_snapshot:
if default_clock_snapshot is None:
if ptr is None:
raise bt2._MemoryError('cannot create packet end message object')
- return bt2.message._PacketEndMessage(ptr)
+ return bt2_message._PacketEndMessage(ptr)
def _create_discarded_events_message(
self, stream, count=None, beg_clock_snapshot=None, end_clock_snapshot=None
):
- utils._check_type(stream, bt2.stream._Stream)
+ utils._check_type(stream, bt2_stream._Stream)
if not stream.cls.supports_discarded_events:
raise ValueError('stream class does not support discarded events')
if ptr is None:
raise bt2._MemoryError('cannot discarded events message object')
- msg = bt2.message._DiscardedEventsMessage(ptr)
+ msg = bt2_message._DiscardedEventsMessage(ptr)
if count is not None:
msg._count = count
def _create_discarded_packets_message(
self, stream, count=None, beg_clock_snapshot=None, end_clock_snapshot=None
):
- utils._check_type(stream, bt2.stream._Stream)
+ utils._check_type(stream, bt2_stream._Stream)
if not stream.cls.supports_discarded_packets:
raise ValueError('stream class does not support discarded packets')
if ptr is None:
raise bt2._MemoryError('cannot discarded packets message object')
- msg = bt2.message._DiscardedPacketsMessage(ptr)
+ msg = bt2_message._DiscardedPacketsMessage(ptr)
if count is not None:
msg._count = count
projects / babeltrace.git / blobdiff