# THE SOFTWARE.
from bt2 import native_bt, utils
-import bt2.packet
-import bt2.event
+from bt2 import object as bt2_object
+from bt2 import packet as bt2_packet
+from bt2 import trace as bt2_trace
+from bt2 import stream_class as bt2_stream_class
+from bt2 import value as bt2_value
import bt2
-class _Stream(bt2.object._SharedObject):
+class _Stream(bt2_object._SharedObject):
_get_ref = staticmethod(native_bt.stream_get_ref)
_put_ref = staticmethod(native_bt.stream_put_ref)
def cls(self):
stream_class_ptr = native_bt.stream_borrow_class(self._ptr)
assert stream_class_ptr is not None
- return bt2.stream_class._StreamClass._create_from_ptr_and_get_ref(stream_class_ptr)
+ return bt2_stream_class._StreamClass._create_from_ptr_and_get_ref(
+ stream_class_ptr
+ )
@property
def name(self):
_name = property(fset=_name)
+ @property
+ def user_attributes(self):
+ ptr = native_bt.stream_borrow_user_attributes(self._ptr)
+ assert ptr is not None
+ return bt2_value._create_from_ptr_and_get_ref(ptr)
+
+ def _user_attributes(self, user_attributes):
+ value = bt2_value.create_value(user_attributes)
+ utils._check_type(value, bt2_value.MapValue)
+ native_bt.stream_set_user_attributes(self._ptr, value._ptr)
+
+ _user_attributes = property(fset=_user_attributes)
+
@property
def id(self):
id = native_bt.stream_get_id(self._ptr)
return id if id >= 0 else None
def create_packet(self):
+ if not self.cls.supports_packets:
+ raise ValueError(
+ 'cannot create packet: stream class does not support packets'
+ )
+
packet_ptr = native_bt.packet_create(self._ptr)
if packet_ptr is None:
- raise bt2.CreationError('cannot create packet object')
+ raise bt2._MemoryError('cannot create packet object')
+
+ return bt2_packet._Packet._create_from_ptr(packet_ptr)
- return bt2.packet._Packet._create_from_ptr(packet_ptr)
+ @property
+ def trace(self):
+ trace_ptr = native_bt.stream_borrow_trace(self._ptr)
+ assert trace_ptr is not None
+ return bt2_trace._Trace._create_from_ptr_and_get_ref(trace_ptr)