[3.10] gh-93738: Disallow pre-v3 syntax in the C domain (GH-97962) (#97977)

Also, disable using invalid sphinx-lint 0.6.2.
(cherry picked from commit f612565)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: ambv

.gitignore

@@ -139,6 +139,8 @@ Tools/ssl/win32
 
 # Artifacts generated by 3.11 lying around when switching branches:
 /_bootstrap_python
+/Modules/Setup.bootstrap
+/Modules/Setup.stdlib
 /Programs/_freeze_module
 /Python/deepfreeze/
 /Python/frozen_modules/

Doc/c-api/unicode.rst

@@ -17,8 +17,8 @@ of Unicode characters while staying memory efficient.  There are special cases
 for strings where all code points are below 128, 256, or 65536; otherwise, code
 points must be below 1114112 (which is the full Unicode range).
 
-:c:type:`Py_UNICODE*` and UTF-8 representations are created on demand and cached
-in the Unicode object.  The :c:type:`Py_UNICODE*` representation is deprecated
+:c:expr:`Py_UNICODE*` and UTF-8 representations are created on demand and cached
+in the Unicode object.  The :c:expr:`Py_UNICODE*` representation is deprecated
 and inefficient.
 
 Due to the transition between the old APIs and the new APIs, Unicode objects
@@ -30,7 +30,7 @@ can internally be in two states depending on how they were created:
 
 * "legacy" Unicode objects have been created through one of the deprecated
   APIs (typically :c:func:`PyUnicode_FromUnicode`) and only bear the
-  :c:type:`Py_UNICODE*` representation; you will have to call
+  :c:expr:`Py_UNICODE*` representation; you will have to call
   :c:func:`PyUnicode_READY` on them before calling any other API.
 
 .. note::
@@ -235,7 +235,7 @@ access internal read-only data of Unicode objects:
    returned buffer is always terminated with an extra null code point.  It
    may also contain embedded null code points, which would cause the string
    to be truncated when used in most C functions.  The ``AS_DATA`` form
-   casts the pointer to :c:type:`const char *`.  The *o* argument has to be
+   casts the pointer to :c:expr:`const char *`.  The *o* argument has to be
    a Unicode object (not checked).
 
    .. versionchanged:: 3.3
@@ -707,7 +707,7 @@ Extension modules can continue using them, as they will not be removed in Python
 
    Return a read-only pointer to the Unicode object's internal
    :c:type:`Py_UNICODE` buffer, or ``NULL`` on error. This will create the
-   :c:type:`Py_UNICODE*` representation of the object if it is not yet
+   :c:expr:`Py_UNICODE*` representation of the object if it is not yet
    available. The buffer is always terminated with an extra null code point.
    Note that the resulting :c:type:`Py_UNICODE` string may also contain
    embedded null code points, which would cause the string to be truncated when
@@ -734,7 +734,7 @@ Extension modules can continue using them, as they will not be removed in Python
 
    Like :c:func:`PyUnicode_AsUnicode`, but also saves the :c:func:`Py_UNICODE`
    array length (excluding the extra null terminator) in *size*.
-   Note that the resulting :c:type:`Py_UNICODE*` string
+   Note that the resulting :c:expr:`Py_UNICODE*` string
    may contain embedded null code points, which would cause the string to be
    truncated when used in most C functions.
 

Doc/conf.py

@@ -234,28 +234,3 @@
 # Relative filename of the data files
 refcount_file = 'data/refcounts.dat'
 stable_abi_file = 'data/stable_abi.dat'
-
-# Sphinx 2 and Sphinx 3 compatibility
-# -----------------------------------
-
-# bpo-40204: Allow Sphinx 2 syntax in the C domain
-c_allow_pre_v3 = True
-
-# bpo-40204: Disable warnings on Sphinx 2 syntax of the C domain since the
-# documentation is built with -W (warnings treated as errors).
-c_warn_on_allowed_pre_v3 = False
-
-# Fix '!' not working with C domain when pre_v3 is enabled
-import sphinx
-
-if sphinx.version_info[:2] < (5, 3):
-    from sphinx.domains.c import CXRefRole
-
-    original_run = CXRefRole.run
-
-    def new_run(self):
-        if self.disabled:
-            return super(CXRefRole, self).run()
-        return original_run(self)
-
-    CXRefRole.run = new_run

Doc/extending/newtypes.rst

@@ -208,7 +208,7 @@ a special case, for which the new value passed to the handler is ``NULL``.
 Python supports two pairs of attribute handlers; a type that supports attributes
 only needs to implement the functions for one pair.  The difference is that one
 pair takes the name of the attribute as a :c:expr:`char\*`, while the other
-accepts a :c:type:`PyObject\*`.  Each type can use whichever pair makes more
+accepts a :c:expr:`PyObject*`.  Each type can use whichever pair makes more
 sense for the implementation's convenience. ::
 
    getattrfunc  tp_getattr;        /* char * version */
@@ -219,7 +219,7 @@ sense for the implementation's convenience. ::
 
 If accessing attributes of an object is always a simple operation (this will be
 explained shortly), there are generic implementations which can be used to
-provide the :c:type:`PyObject\*` version of the attribute management functions.
+provide the :c:expr:`PyObject*` version of the attribute management functions.
 The actual need for type-specific attribute handlers almost completely
 disappeared starting with Python 2.2, though there are many examples which have
 not been updated to use some of the new generic mechanism that is available.
@@ -341,7 +341,7 @@ Type-specific Attribute Management
 
 For simplicity, only the :c:expr:`char\*` version will be demonstrated here; the
 type of the name parameter is the only difference between the :c:expr:`char\*`
-and :c:type:`PyObject\*` flavors of the interface. This example effectively does
+and :c:expr:`PyObject*` flavors of the interface. This example effectively does
 the same thing as the generic example above, but does not use the generic
 support added in Python 2.2.  It explains how the handler functions are
 called, so that if you do need to extend their functionality, you'll understand
@@ -572,7 +572,7 @@ performance-critical objects (such as numbers).
 
 For an object to be weakly referencable, the extension type must do two things:
 
-#. Include a :c:type:`PyObject\*` field in the C object structure dedicated to
+#. Include a :c:expr:`PyObject*` field in the C object structure dedicated to
    the weak reference mechanism.  The object's constructor should leave it
    ``NULL`` (which is automatic when using the default
    :c:member:`~PyTypeObject.tp_alloc`).

Doc/extending/newtypes_tutorial.rst

@@ -24,7 +24,7 @@ The Basics
 ==========
 
 The :term:`CPython` runtime sees all Python objects as variables of type
-:c:type:`PyObject\*`, which serves as a "base type" for all Python objects.
+:c:expr:`PyObject*`, which serves as a "base type" for all Python objects.
 The :c:type:`PyObject` structure itself only contains the object's
 :term:`reference count` and a pointer to the object's "type object".
 This is where the action is; the type object determines which (C) functions

Doc/whatsnew/2.2.rst

@@ -1102,7 +1102,7 @@ code, none of the changes described here will affect you very much.
 * A different argument parsing function, :c:func:`PyArg_UnpackTuple`, has been
   added that's simpler and presumably faster.  Instead of specifying a format
   string, the caller simply gives the minimum and maximum number of arguments
-  expected, and a set of pointers to :c:type:`PyObject\*` variables that will be
+  expected, and a set of pointers to :c:expr:`PyObject*` variables that will be
   filled in with argument values.
 
 * Two new flags :const:`METH_NOARGS` and :const:`METH_O` are available in method

Doc/whatsnew/2.5.rst

@@ -1725,7 +1725,7 @@ attribute of the function object to  change this::
 ``ctypes.pythonapi`` object.  This object does *not*  release the global
 interpreter lock before calling a function, because the lock must be held when
 calling into the interpreter's code.   There's a :class:`py_object()` type
-constructor that will create a  :c:type:`PyObject \*` pointer.  A simple usage::
+constructor that will create a  :c:expr:`PyObject *` pointer.  A simple usage::
 
    import ctypes