doc/api/libbabeltrace2/DoxygenLayout.xml: use `topics` tab

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

diff --git a/src/bindings/python/bt2/bt2/packet.py b/src/bindings/python/bt2/bt2/packet.py
index 04ec688889a8c6541c45cf338109c5b696197908..0e7605f1660d253de5a4b5423c465154f3adfcbe 100644 (file)
--- a/src/bindings/python/bt2/bt2/packet.py
+++ b/src/bindings/python/bt2/bt2/packet.py
@@ -1,38 +1,32 @@
-# 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, object
+
 from bt2 import field as bt2_field
-from bt2 import stream as bt2_stream
+from bt2 import object as bt2_object
+from bt2 import native_bt
+
+
+def _bt2_stream():
+    from bt2 import stream as bt2_stream
+
+    return bt2_stream
+
+
+class _PacketConst(bt2_object._SharedObject):
+    @staticmethod
+    def _get_ref(ptr):
+        native_bt.packet_get_ref(ptr)
 
+    @staticmethod
+    def _put_ref(ptr):
+        native_bt.packet_put_ref(ptr)
 
-class _PacketConst(object._SharedObject):
-    _get_ref = staticmethod(native_bt.packet_get_ref)
-    _put_ref = staticmethod(native_bt.packet_put_ref)
     _borrow_stream_ptr = staticmethod(native_bt.packet_borrow_stream_const)
     _borrow_context_field_ptr = staticmethod(
         native_bt.packet_borrow_context_field_const
     )
-    _stream_pycls = property(lambda _: bt2_stream._StreamConst)
+    _stream_pycls = property(lambda _: _bt2_stream()._StreamConst)
     _create_field_from_ptr = staticmethod(bt2_field._create_field_from_const_ptr)
 
     @property
@@ -56,5 +50,5 @@ class _PacketConst(object._SharedObject):
 class _Packet(_PacketConst):
     _borrow_stream_ptr = staticmethod(native_bt.packet_borrow_stream)
     _borrow_context_field_ptr = staticmethod(native_bt.packet_borrow_context_field)
-    _stream_pycls = property(lambda _: bt2_stream._Stream)
+    _stream_pycls = property(lambda _: _bt2_stream()._Stream)
     _create_field_from_ptr = staticmethod(bt2_field._create_field_from_ptr)