Build Python bindings with distutils for consistent installs

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

diff --git a/bindings/python/bt2/bt2/packet.py b/bindings/python/bt2/bt2/packet.py
new file mode 100644 (file)
index 0000000..1fba03c
--- /dev/null
+++ b/bindings/python/bt2/bt2/packet.py
@@ -0,0 +1,107 @@
+# The MIT License (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, utils
+import bt2.fields
+import bt2.stream
+import copy
+import abc
+import bt2
+
+
+class _Packet(object._Object):
+    @property
+    def stream(self):
+        stream_ptr = native_bt.ctf_packet_get_stream(self._ptr)
+        assert(stream_ptr)
+        return bt2.stream._Stream._create_from_ptr(stream_ptr)
+
+    @property
+    def header_field(self):
+        field_ptr = native_bt.ctf_packet_get_header(self._ptr)
+
+        if field_ptr is None:
+            return
+
+        return bt2.fields._create_from_ptr(field_ptr)
+
+    @header_field.setter
+    def header_field(self, header_field):
+        header_field_ptr = None
+
+        if header_field is not None:
+            utils._check_type(header_field, bt2.fields._Field)
+            header_field_ptr = header_field._ptr
+
+        ret = native_bt.ctf_packet_set_header(self._ptr, header_field_ptr)
+        utils._handle_ret(ret, "cannot set packet object's header field")
+
+    @property
+    def context_field(self):
+        field_ptr = native_bt.ctf_packet_get_context(self._ptr)
+
+        if field_ptr is None:
+            return
+
+        return bt2.fields._create_from_ptr(field_ptr)
+
+    @context_field.setter
+    def context_field(self, context_field):
+        context_field_ptr = None
+
+        if context_field is not None:
+            utils._check_type(context_field, bt2.fields._Field)
+            context_field_ptr = context_field._ptr
+
+        ret = native_bt.ctf_packet_set_context(self._ptr, context_field_ptr)
+        utils._handle_ret(ret, "cannot set packet object's context field")
+
+    def __eq__(self, other):
+        if type(other) is not type(self):
+            return False
+
+        if self.addr == other.addr:
+            return True
+
+        self_props = (
+            self.header_field,
+            self.context_field,
+        )
+        other_props = (
+            other.header_field,
+            other.context_field,
+        )
+        return self_props == other_props
+
+    def _copy(self, copy_func):
+        cpy = self.stream.create_packet()
+        cpy.header_field = copy_func(self.header_field)
+        cpy.context_field = copy_func(self.context_field)
+        return cpy
+
+    def __copy__(self):
+        return self._copy(copy.copy)
+
+    def __deepcopy__(self, memo):
+        cpy = self._copy(copy.deepcopy)
+        memo[id(self)] = cpy
+        return cpy