bpo-44964: Correct the note about the f_lasti field (GH-28208) (GH-28276)
(cherry picked from commit ab327f2929589407595a3de95727c8ab34ddd4af)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 7b54f44..d3cf983 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1034,9 +1034,8 @@
:attr:`f_code` is the code object being executed in this frame; :attr:`f_locals`
is the dictionary used to look up local variables; :attr:`f_globals` is used for
global variables; :attr:`f_builtins` is used for built-in (intrinsic) names;
- :attr:`f_lasti` gives the precise instruction (it represents a wordcode index, which
- means that to get an index into the bytecode string of the code object it needs to be
- multiplied by 2).
+ :attr:`f_lasti` gives the precise instruction (this is an index into the
+ bytecode string of the code object).
Accessing ``f_code`` raises an :ref:`auditing event <auditing>`
``object.__getattr__`` with arguments ``obj`` and ``"f_code"``.
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index 5a5f4a3..2f08b9f 100644
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -1948,7 +1948,8 @@
offset instead of a simple offset into the bytecode string. This means that this
number needs to be multiplied by 2 to be used with APIs that expect a byte offset
instead (like :c:func:`PyCode_Addr2Line` for example). Notice as well that the
- ``f_lasti`` member of ``FrameObject`` objects is not considered stable.
+ ``f_lasti`` member of ``FrameObject`` objects is not considered stable: please
+ use :c:func:`PyFrame_GetLineNumber` instead.
CPython bytecode changes
========================