From c2ea62f5c3978874e4a5cf346e476e5fbdbf79de Mon Sep 17 00:00:00 2001
From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Thu, 27 Jun 2019 23:39:21 -0400
Subject: [PATCH] bt2: make `_ArrayField` inherit
 `collections.abc.MutableSequence`

An array field is conceptually a mutable sequence just like an array
value (`ArrayValue`).

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Change-Id: Ia3f27fd524286e924b5529030963df33e7553336
Reviewed-on: https://review.lttng.org/c/babeltrace/+/1562
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Simon Marchi <simon.marchi@efficios.com>
Reviewed-by: Francis Deslauriers <francis.deslauriers@efficios.com>
---
 src/bindings/python/bt2/bt2/field.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/bindings/python/bt2/bt2/field.py b/src/bindings/python/bt2/bt2/field.py
index d35cb258..3a735ec3 100644
--- a/src/bindings/python/bt2/bt2/field.py
+++ b/src/bindings/python/bt2/bt2/field.py
@@ -525,8 +525,7 @@ class _VariantField(_ContainerField, _Field):
     value = property(fset=_set_value)
 
 
-class _ArrayField(_ContainerField, _Field):
-
+class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence):
     def _get_length(self):
         return native_bt.field_array_get_length(self._ptr)
 
-- 
2.34.1