import uuid as uuidp
-class _TraceEnvironment(collections.abc.MutableMapping):
+class _TraceEnvironmentConst(collections.abc.Mapping):
+ _create_value_from_ptr_and_get_ref = staticmethod(
+ bt2_value._create_from_const_ptr_and_get_ref
+ )
+
def __init__(self, trace):
self._trace = trace
if value_ptr is None:
raise KeyError(key)
- return bt2_value._create_from_ptr_and_get_ref(value_ptr)
-
- def __setitem__(self, key, value):
- if isinstance(value, str):
- set_env_entry_fn = native_bt.trace_set_environment_entry_string
- elif isinstance(value, int):
- set_env_entry_fn = native_bt.trace_set_environment_entry_integer
- else:
- raise TypeError('expected str or int, got {}'.format(type(value)))
-
- status = set_env_entry_fn(self._trace._ptr, key, value)
- utils._handle_func_status(status, "cannot set trace object's environment entry")
-
- def __delitem__(self, key):
- raise NotImplementedError
+ return self._create_value_from_ptr_and_get_ref(value_ptr)
def __len__(self):
count = native_bt.trace_get_environment_entry_count(self._trace._ptr)
return count
def __iter__(self):
- trace_ptr = self._trace_env._trace._ptr
+ trace_ptr = self._trace._ptr
for idx in range(len(self)):
borrow_entry_fn = native_bt.trace_borrow_environment_entry_by_index_const
yield entry_name
-def _trace_destruction_listener_from_native(user_listener, trace_ptr):
- trace = _Trace._create_from_ptr_and_get_ref(trace_ptr)
- user_listener(trace)
+class _TraceEnvironment(_TraceEnvironmentConst, collections.abc.MutableMapping):
+ _create_value_from_ptr_and_get_ref = staticmethod(
+ bt2_value._create_from_ptr_and_get_ref
+ )
+
+ def __setitem__(self, key, value):
+ if isinstance(value, str):
+ set_env_entry_fn = native_bt.trace_set_environment_entry_string
+ elif isinstance(value, int):
+ set_env_entry_fn = native_bt.trace_set_environment_entry_integer
+ else:
+ raise TypeError('expected str or int, got {}'.format(type(value)))
+ status = set_env_entry_fn(self._trace._ptr, key, value)
+ utils._handle_func_status(status, "cannot set trace object's environment entry")
-class _Trace(object._SharedObject, collections.abc.Mapping):
+ def __delitem__(self, key):
+ raise NotImplementedError
+
+
+class _TraceConst(object._SharedObject, collections.abc.Mapping):
_get_ref = staticmethod(native_bt.trace_get_ref)
_put_ref = staticmethod(native_bt.trace_put_ref)
+ _borrow_stream_ptr_by_id = staticmethod(native_bt.trace_borrow_stream_by_id_const)
+ _borrow_stream_ptr_by_index = staticmethod(
+ native_bt.trace_borrow_stream_by_index_const
+ )
+ _borrow_class_ptr = staticmethod(native_bt.trace_borrow_class_const)
+ _borrow_user_attributes_ptr = staticmethod(
+ native_bt.trace_borrow_user_attributes_const
+ )
+ _create_value_from_ptr_and_get_ref = staticmethod(
+ bt2_value._create_from_const_ptr_and_get_ref
+ )
+ _stream_pycls = property(lambda _: bt2_stream._StreamConst)
+ _trace_class_pycls = property(lambda _: bt2_trace_class._TraceClassConst)
+ _trace_env_pycls = property(lambda _: _TraceEnvironmentConst)
def __len__(self):
count = native_bt.trace_get_stream_count(self._ptr)
def __getitem__(self, id):
utils._check_uint64(id)
- stream_ptr = native_bt.trace_borrow_stream_by_id_const(self._ptr, id)
+ stream_ptr = self._borrow_stream_ptr_by_id(self._ptr, id)
if stream_ptr is None:
raise KeyError(id)
- return bt2_stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
+ return self._stream_pycls._create_from_ptr_and_get_ref(stream_ptr)
def __iter__(self):
for idx in range(len(self)):
- stream_ptr = native_bt.trace_borrow_stream_by_index_const(self._ptr, idx)
+ stream_ptr = self._borrow_stream_ptr_by_index(self._ptr, idx)
assert stream_ptr is not None
id = native_bt.stream_get_id(stream_ptr)
@property
def cls(self):
- trace_class_ptr = native_bt.trace_borrow_class(self._ptr)
+ trace_class_ptr = self._borrow_class_ptr(self._ptr)
assert trace_class_ptr is not None
- return bt2_trace_class._TraceClass._create_from_ptr_and_get_ref(trace_class_ptr)
+ return self._trace_class_pycls._create_from_ptr_and_get_ref(trace_class_ptr)
@property
def user_attributes(self):
- ptr = native_bt.trace_borrow_user_attributes(self._ptr)
+ ptr = self._borrow_user_attributes_ptr(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.trace_set_user_attributes(self._ptr, value._ptr)
-
- _user_attributes = property(fset=_user_attributes)
+ return self._create_value_from_ptr_and_get_ref(ptr)
@property
def name(self):
return native_bt.trace_get_name(self._ptr)
+ @property
+ def uuid(self):
+ uuid_bytes = native_bt.trace_get_uuid(self._ptr)
+ if uuid_bytes is None:
+ return
+
+ return uuidp.UUID(bytes=uuid_bytes)
+
+ @property
+ def environment(self):
+ return self._trace_env_pycls(self)
+
+ def add_destruction_listener(self, listener):
+ '''Add a listener to be called when the trace is destroyed.'''
+ if not callable(listener):
+ raise TypeError("'listener' parameter is not callable")
+
+ fn = native_bt.bt2_trace_add_destruction_listener
+ listener_from_native = functools.partial(
+ _trace_destruction_listener_from_native, listener
+ )
+
+ status, listener_id = fn(self._ptr, listener_from_native)
+ utils._handle_func_status(
+ status, 'cannot add destruction listener to trace object'
+ )
+
+ return utils._ListenerHandle(listener_id, self)
+
+
+class _Trace(_TraceConst):
+ _borrow_stream_ptr_by_id = staticmethod(native_bt.trace_borrow_stream_by_id)
+ _borrow_stream_ptr_by_index = staticmethod(native_bt.trace_borrow_stream_by_index)
+ _borrow_class_ptr = staticmethod(native_bt.trace_borrow_class)
+ _borrow_user_attributes_ptr = staticmethod(native_bt.trace_borrow_user_attributes)
+ _create_value_from_ptr_and_get_ref = staticmethod(
+ bt2_value._create_from_ptr_and_get_ref
+ )
+ _stream_pycls = property(lambda _: bt2_stream._Stream)
+ _trace_class_pycls = property(lambda _: bt2_trace_class._TraceClass)
+ _trace_env_pycls = property(lambda _: _TraceEnvironment)
+
def _name(self, name):
utils._check_str(name)
status = native_bt.trace_set_name(self._ptr, name)
_name = property(fset=_name)
- @property
- def uuid(self):
- uuid_bytes = native_bt.trace_get_uuid(self._ptr)
- if uuid_bytes is None:
- return
+ def _user_attributes(self, user_attributes):
+ value = bt2_value.create_value(user_attributes)
+ utils._check_type(value, bt2_value.MapValue)
+ native_bt.trace_set_user_attributes(self._ptr, value._ptr)
- return uuidp.UUID(bytes=uuid_bytes)
+ _user_attributes = property(fset=_user_attributes)
def _uuid(self, uuid):
utils._check_type(uuid, uuidp.UUID)
_uuid = property(fset=_uuid)
- @property
- def environment(self):
- return _TraceEnvironment(self)
-
def create_stream(self, stream_class, id=None, name=None, user_attributes=None):
utils._check_type(stream_class, bt2_stream_class._StreamClass)
return stream
- def add_destruction_listener(self, listener):
- '''Add a listener to be called when the trace is destroyed.'''
- if not callable(listener):
- raise TypeError("'listener' parameter is not callable")
-
- fn = native_bt.bt2_trace_add_destruction_listener
- listener_from_native = functools.partial(
- _trace_destruction_listener_from_native, listener
- )
-
- status, listener_id = fn(self._ptr, listener_from_native)
- utils._handle_func_status(
- status, 'cannot add destruction listener to trace object'
- )
- return utils._ListenerHandle(listener_id, self)
+def _trace_destruction_listener_from_native(user_listener, trace_ptr):
+ trace = _TraceConst._create_from_ptr_and_get_ref(trace_ptr)
+ user_listener(trace)
projects / babeltrace.git / blobdiff