Merge remote-tracking branch 'origin/main' into feature/clinic-parser-shrink

# Conflicts:
#	Modules/_io/clinic/bufferedio.c.h
#	Modules/_io/clinic/fileio.c.h
#	Modules/_io/clinic/iobase.c.h
#	Modules/_io/clinic/textio.c.h
#	Modules/_io/clinic/winconsoleio.c.h

Author: eendebakpt

.claude/CLAUDE.md

@@ -384,8 +384,14 @@ are always available.  They are listed here in alphabetical order.
    It is needed to unambiguous :ref:`filter <warning-filter>` syntax warnings
    by module name.
 
-   This function raises :exc:`SyntaxError` or :exc:`ValueError` if the compiled
-   source is invalid.
+   This function raises :exc:`SyntaxError` if the compiled source is invalid,
+   including a *source* containing a null character or that cannot be decoded;
+   :exc:`ValueError` if *mode* or *flags* is invalid,
+   or if a string *source* contains surrogate characters;
+   :exc:`MemoryError` or :exc:`RecursionError` if *source* is too complex
+   to parse or compile,
+   for example an expression with many thousands of nested operators;
+   and :exc:`OverflowError` if *source* is too large.
 
    If you want to parse Python code into its AST representation, see
    :func:`ast.parse`.
@@ -417,11 +423,15 @@ are always available.  They are listed here in alphabetical order.
       Previously, :exc:`TypeError` was raised when null bytes were encountered
       in *source*.
 
-   .. versionadded:: 3.8
+   .. versionchanged:: 3.8
       ``ast.PyCF_ALLOW_TOP_LEVEL_AWAIT`` can now be passed in flags to enable
       support for top-level ``await``, ``async for``, and ``async with``.
 
-   .. versionadded:: 3.15
+   .. versionchanged:: 3.12
+      :exc:`SyntaxError` is raised instead of :exc:`ValueError` when null bytes
+      are encountered in *source*.
+
+   .. versionchanged:: 3.15
       Added the *module* parameter.
 
 

Doc/builtins/functions.rst

@@ -116,15 +116,14 @@ Error Handling
 
    Get the *config* exit code.
 
-   * Set *\*exitcode* and return ``1`` if *config* has an exit code set.
-   * Return ``0`` if *config* has no exit code set.
+   Return ``0`` and leave *\*exitcode* unchanged.
 
-   Only the ``Py_InitializeFromInitConfig()`` function can set an exit
-   code if the ``parse_argv`` option is non-zero.
+   In Python 3.15, :c:func:`Py_InitializeFromInitConfig` sets an exit code if a
+   command line option wants to exit Python. This is no longer the case in
+   Python 3.16. Instead, the option is now processed in :c:func:`Py_RunMain`.
+   This function became useless.
 
-   An exit code can be set when parsing the command line failed (exit
-   code ``2``) or when a command line option asks to display the command
-   line help (exit code ``0``).
+   .. deprecated:: next
 
 
 Get Options
@@ -247,10 +246,11 @@ Initialize Python
 
    * Return ``0`` on success.
    * Set an error in *config* and return ``-1`` on error.
-   * Set an exit code in *config* and return ``-1`` if Python wants to
-     exit.
 
-   See ``PyInitConfig_GetExitcode()`` for the exit code case.
+   .. versionchanged:: next
+      The function no longer sets an exit code if a command line option wants
+      to exit Python. Instead, the option is now processed in
+      :c:func:`Py_RunMain`.
 
 
 .. _pyinitconfig-opts:
@@ -690,9 +690,6 @@ Example of customized Python always running in isolated mode::
 
     exception:
         PyConfig_Clear(&config);
-        if (PyStatus_IsExit(status)) {
-            return status.exitcode;
-        }
         /* Display the error message and exit the process with
            non-zero exit code */
         Py_ExitStatusException(status);
@@ -758,6 +755,8 @@ PyStatus
 
       Exit code. Argument passed to ``exit()``.
 
+      .. deprecated:: next
+
    .. c:member:: const char *err_msg
 
       Error message.
@@ -788,6 +787,11 @@ PyStatus
 
       Exit Python with the specified exit code.
 
+      .. deprecated:: next
+         :c:func:`Py_InitializeFromConfig` no longer sets an exit code if a
+         command line option wants to exit Python. Instead, the option is
+         now processed in :c:func:`Py_RunMain`.
+
    Functions to handle a status:
 
    .. c:function:: int PyStatus_Exception(PyStatus status)
@@ -803,6 +807,11 @@ PyStatus
 
       Is the result an exit?
 
+      .. deprecated:: next
+         :c:func:`Py_InitializeFromConfig` no longer sets an exit code if a
+         command line option wants to exit Python. Instead, the option is
+         now processed in :c:func:`Py_RunMain`.
+
    .. c:function:: void Py_ExitStatusException(PyStatus status)
 
       Call ``exit(exitcode)`` if *status* is an exit. Print the error