Move to kernel style SPDX license identifiers

[babeltrace.git] / src / bindings / python / bt2 / bt2 / stream.py

diff --git a/src/bindings/python/bt2/bt2/stream.py b/src/bindings/python/bt2/bt2/stream.py
index 3a8821795caeb9c0aa5eeaf3cf75e89e9bc63044..5fea4107cb837780e99bb146a28f2a1cadfeb320 100644 (file)
--- a/src/bindings/python/bt2/bt2/stream.py
+++ b/src/bindings/python/bt2/bt2/stream.py
@@ -1,60 +1,73 @@
-# The MIT License (MIT)
+# SPDX-License-Identifier: MIT
 #
 # Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
 
 from bt2 import native_bt, utils
 from bt2 import object as bt2_object
 from bt2 import packet as bt2_packet
-from bt2 import event as bt2_event
 from bt2 import stream_class as bt2_stream_class
+from bt2 import value as bt2_value
 import bt2
 
 
-class _Stream(bt2_object._SharedObject):
+def _bt2_trace():
+    from bt2 import trace as bt2_trace
+
+    return bt2_trace
+
+
+class _StreamConst(bt2_object._SharedObject):
     _get_ref = staticmethod(native_bt.stream_get_ref)
     _put_ref = staticmethod(native_bt.stream_put_ref)
+    _borrow_class_ptr = staticmethod(native_bt.stream_borrow_class_const)
+    _borrow_user_attributes_ptr = staticmethod(
+        native_bt.stream_borrow_user_attributes_const
+    )
+    _create_value_from_ptr_and_get_ref = staticmethod(
+        bt2_value._create_from_const_ptr_and_get_ref
+    )
+    _borrow_trace_ptr = staticmethod(native_bt.stream_borrow_trace_const)
+    _stream_class_pycls = bt2_stream_class._StreamClassConst
+    _trace_pycls = property(lambda _: _bt2_trace()._TraceConst)
 
     @property
     def cls(self):
-        stream_class_ptr = native_bt.stream_borrow_class(self._ptr)
+        stream_class_ptr = self._borrow_class_ptr(self._ptr)
         assert stream_class_ptr is not None
-        return bt2_stream_class._StreamClass._create_from_ptr_and_get_ref(
-            stream_class_ptr
-        )
+        return self._stream_class_pycls._create_from_ptr_and_get_ref(stream_class_ptr)
 
     @property
     def name(self):
         return native_bt.stream_get_name(self._ptr)
 
-    def _name(self, name):
-        utils._check_str(name)
-        native_bt.stream_set_name(self._ptr, name)
-
-    _name = property(fset=_name)
+    @property
+    def user_attributes(self):
+        ptr = self._borrow_user_attributes_ptr(self._ptr)
+        assert ptr is not None
+        return self._create_value_from_ptr_and_get_ref(ptr)
 
     @property
     def id(self):
         id = native_bt.stream_get_id(self._ptr)
         return id if id >= 0 else None
 
+    @property
+    def trace(self):
+        trace_ptr = self._borrow_trace_ptr(self._ptr)
+        assert trace_ptr is not None
+        return self._trace_pycls._create_from_ptr_and_get_ref(trace_ptr)
+
+
+class _Stream(_StreamConst):
+    _borrow_class_ptr = staticmethod(native_bt.stream_borrow_class)
+    _borrow_user_attributes_ptr = staticmethod(native_bt.stream_borrow_user_attributes)
+    _create_value_from_ptr_and_get_ref = staticmethod(
+        bt2_value._create_from_ptr_and_get_ref
+    )
+    _borrow_trace_ptr = staticmethod(native_bt.stream_borrow_trace)
+    _stream_class_pycls = bt2_stream_class._StreamClass
+    _trace_pycls = property(lambda _: _bt2_trace()._Trace)
+
     def create_packet(self):
         if not self.cls.supports_packets:
             raise ValueError(
@@ -67,3 +80,18 @@ class _Stream(bt2_object._SharedObject):
             raise bt2._MemoryError('cannot create packet object')
 
         return bt2_packet._Packet._create_from_ptr(packet_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(
+        fget=_StreamConst.user_attributes.fget, fset=_user_attributes
+    )
+
+    def _name(self, name):
+        utils._check_str(name)
+        native_bt.stream_set_name(self._ptr, name)
+
+    _name = property(fget=_StreamConst.name.fget, fset=_name)