Issue #29058: All stable API extensions added after Python 3.2 are now

available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of
the minimum Python version supporting this API.

Include/abstract.h

@@ -612,8 +612,10 @@ PyAPI_FUNC(PyObject *) PyNumber_Subtract(PyObject *o1, PyObject *o2);
    This is the equivalent of the Python expression: o1 * o2. */
 PyAPI_FUNC(PyObject *) PyNumber_Multiply(PyObject *o1, PyObject *o2);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 /* This is the equivalent of the Python expression: o1 @ o2. */
 PyAPI_FUNC(PyObject *) PyNumber_MatrixMultiply(PyObject *o1, PyObject *o2);
+#endif
 
 /* Returns the result of dividing o1 by o2 giving an integral result,
    or NULL on failure.
@@ -743,8 +745,10 @@ PyAPI_FUNC(PyObject *) PyNumber_InPlaceSubtract(PyObject *o1, PyObject *o2);
    This is the equivalent of the Python expression: o1 *= o2. */
 PyAPI_FUNC(PyObject *) PyNumber_InPlaceMultiply(PyObject *o1, PyObject *o2);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 /* This is the equivalent of the Python expression: o1 @= o2. */
 PyAPI_FUNC(PyObject *) PyNumber_InPlaceMatrixMultiply(PyObject *o1, PyObject *o2);
+#endif
 
 /* Returns the result of dividing o1 by o2 giving an integral result, possibly
    in-place, or NULL on failure.

Include/bytesobject.h

@@ -74,11 +74,13 @@ PyAPI_FUNC(PyObject*) _PyBytes_FromHex(
 PyAPI_FUNC(PyObject *) PyBytes_DecodeEscape(const char *, Py_ssize_t,
 						   const char *, Py_ssize_t,
 						   const char *);
+#ifndef Py_LIMITED_API
 /* Helper for PyBytes_DecodeEscape that detects invalid escape chars. */
 PyAPI_FUNC(PyObject *) _PyBytes_DecodeEscape(const char *, Py_ssize_t,
                                              const char *, Py_ssize_t,
                                              const char *,
                                              const char **);
+#endif
 
 /* Macro, trading safety for speed */
 #ifndef Py_LIMITED_API

Include/codecs.h

@@ -225,10 +225,14 @@ PyAPI_FUNC(PyObject *) PyCodec_XMLCharRefReplaceErrors(PyObject *exc);
 /* replace the unicode encode error with backslash escapes (\x, \u and \U) */
 PyAPI_FUNC(PyObject *) PyCodec_BackslashReplaceErrors(PyObject *exc);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 /* replace the unicode encode error with backslash escapes (\N, \x, \u and \U) */
 PyAPI_FUNC(PyObject *) PyCodec_NameReplaceErrors(PyObject *exc);
+#endif
 
+#ifndef Py_LIMITED_API
 PyAPI_DATA(const char *) Py_hexdigits;
+#endif
 
 #ifdef __cplusplus
 }

Include/fileobject.h

@@ -23,7 +23,9 @@ PyAPI_FUNC(char *) Py_UniversalNewlineFgets(char *, int, FILE*, PyObject *);
    If non-NULL, this is different than the default encoding for strings
 */
 PyAPI_DATA(const char *) Py_FileSystemDefaultEncoding;
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 PyAPI_DATA(const char *) Py_FileSystemDefaultEncodeErrors;
+#endif
 PyAPI_DATA(int) Py_HasFileSystemDefaultEncoding;
 
 /* Internal API

Include/fileutils.h

@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_FUNC(wchar_t *) Py_DecodeLocale(
     const char *arg,
     size_t *size);
@@ -12,6 +13,7 @@ PyAPI_FUNC(wchar_t *) Py_DecodeLocale(
 PyAPI_FUNC(char*) Py_EncodeLocale(
     const wchar_t *text,
     size_t *error_pos);
+#endif
 
 #ifndef Py_LIMITED_API
 

Include/import.h

@@ -9,9 +9,9 @@ extern "C" {
 
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(void) _PyImportZip_Init(void);
-#endif /* !Py_LIMITED_API */
 
 PyMODINIT_FUNC PyInit_imp(void);
+#endif /* !Py_LIMITED_API */
 PyAPI_FUNC(long) PyImport_GetMagicNumber(void);
 PyAPI_FUNC(const char *) PyImport_GetMagicTag(void);
 PyAPI_FUNC(PyObject *) PyImport_ExecCodeModule(
@@ -29,16 +29,20 @@ PyAPI_FUNC(PyObject *) PyImport_ExecCodeModuleWithPathnames(
     const char *pathname,       /* decoded from the filesystem encoding */
     const char *cpathname       /* decoded from the filesystem encoding */
     );
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyImport_ExecCodeModuleObject(
     PyObject *name,
     PyObject *co,
     PyObject *pathname,
     PyObject *cpathname
     );
+#endif
 PyAPI_FUNC(PyObject *) PyImport_GetModuleDict(void);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyImport_AddModuleObject(
     PyObject *name
     );
+#endif
 PyAPI_FUNC(PyObject *) PyImport_AddModule(
     const char *name            /* UTF-8 encoded string */
     );
@@ -55,6 +59,7 @@ PyAPI_FUNC(PyObject *) PyImport_ImportModuleLevel(
     PyObject *fromlist,
     int level
     );
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_FUNC(PyObject *) PyImport_ImportModuleLevelObject(
     PyObject *name,
     PyObject *globals,
@@ -62,6 +67,7 @@ PyAPI_FUNC(PyObject *) PyImport_ImportModuleLevelObject(
     PyObject *fromlist,
     int level
     );
+#endif
 
 #define PyImport_ImportModuleEx(n, g, l, f) \
     PyImport_ImportModuleLevel(n, g, l, f, 0)
@@ -70,9 +76,11 @@ PyAPI_FUNC(PyObject *) PyImport_GetImporter(PyObject *path);
 PyAPI_FUNC(PyObject *) PyImport_Import(PyObject *name);
 PyAPI_FUNC(PyObject *) PyImport_ReloadModule(PyObject *m);
 PyAPI_FUNC(void) PyImport_Cleanup(void);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(int) PyImport_ImportFrozenModuleObject(
     PyObject *name
     );
+#endif
 PyAPI_FUNC(int) PyImport_ImportFrozenModule(
     const char *name            /* UTF-8 encoded string */
     );

Include/memoryobject.h

@@ -21,8 +21,10 @@ PyAPI_DATA(PyTypeObject) PyMemoryView_Type;
 #endif
 
 PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(char *mem, Py_ssize_t size,
                                                int flags);
+#endif
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info);
 #endif

Include/moduleobject.h

@@ -12,14 +12,18 @@ PyAPI_DATA(PyTypeObject) PyModule_Type;
 #define PyModule_Check(op) PyObject_TypeCheck(op, &PyModule_Type)
 #define PyModule_CheckExact(op) (Py_TYPE(op) == &PyModule_Type)
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyModule_NewObject(
     PyObject *name
     );
+#endif
 PyAPI_FUNC(PyObject *) PyModule_New(
     const char *name            /* UTF-8 encoded string */
     );
 PyAPI_FUNC(PyObject *) PyModule_GetDict(PyObject *);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyModule_GetNameObject(PyObject *);
+#endif
 PyAPI_FUNC(const char *) PyModule_GetName(PyObject *);
 PyAPI_FUNC(const char *) PyModule_GetFilename(PyObject *) Py_DEPRECATED(3.2);
 PyAPI_FUNC(PyObject *) PyModule_GetFilenameObject(PyObject *);

Include/object.h

@@ -547,7 +547,9 @@ PyAPI_FUNC(PyObject *) _PyObject_NextNotImplemented(PyObject *);
 PyAPI_FUNC(PyObject *) PyObject_GenericGetAttr(PyObject *, PyObject *);
 PyAPI_FUNC(int) PyObject_GenericSetAttr(PyObject *,
                                               PyObject *, PyObject *);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(int) PyObject_GenericSetDict(PyObject *, PyObject *, void *);
+#endif
 PyAPI_FUNC(Py_hash_t) PyObject_Hash(PyObject *);
 PyAPI_FUNC(Py_hash_t) PyObject_HashNotImplemented(PyObject *);
 PyAPI_FUNC(int) PyObject_IsTrue(PyObject *);

Include/objimpl.h

@@ -95,7 +95,9 @@ PyObject_{New, NewVar, Del}.
    the raw memory.
 */
 PyAPI_FUNC(void *) PyObject_Malloc(size_t size);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_FUNC(void *) PyObject_Calloc(size_t nelem, size_t elsize);
+#endif
 PyAPI_FUNC(void *) PyObject_Realloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyObject_Free(void *ptr);
 

Include/odictobject.h

@@ -17,12 +17,13 @@ PyAPI_DATA(PyTypeObject) PyODictKeys_Type;
 PyAPI_DATA(PyTypeObject) PyODictItems_Type;
 PyAPI_DATA(PyTypeObject) PyODictValues_Type;
 
-#endif /* Py_LIMITED_API */
-
 #define PyODict_Check(op) PyObject_TypeCheck(op, &PyODict_Type)
 #define PyODict_CheckExact(op) (Py_TYPE(op) == &PyODict_Type)
 #define PyODict_SIZE(op) PyDict_GET_SIZE((op))
-#define PyODict_HasKey(od, key) (PyMapping_HasKey(PyObject *)od, key)
+
+#endif /* Py_LIMITED_API */
+
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 
 PyAPI_FUNC(PyObject *) PyODict_New(void);
 PyAPI_FUNC(int) PyODict_SetItem(PyObject *od, PyObject *key, PyObject *item);
@@ -37,6 +38,8 @@ PyAPI_FUNC(int) PyODict_DelItem(PyObject *od, PyObject *key);
 #define PyODict_GetItemString(od, key) \
     PyDict_GetItemString((PyObject *)od, key)
 
+#endif
+
 #ifdef __cplusplus
 }
 #endif

Include/osmodule.h

@@ -7,7 +7,9 @@
 extern "C" {
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 PyAPI_FUNC(PyObject *) PyOS_FSPath(PyObject *path);
+#endif
 
 #ifdef __cplusplus
 }

Include/pyerrors.h

@@ -87,8 +87,10 @@ PyAPI_FUNC(PyObject *) PyErr_Occurred(void);
 PyAPI_FUNC(void) PyErr_Clear(void);
 PyAPI_FUNC(void) PyErr_Fetch(PyObject **, PyObject **, PyObject **);
 PyAPI_FUNC(void) PyErr_Restore(PyObject *, PyObject *, PyObject *);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(void) PyErr_GetExcInfo(PyObject **, PyObject **, PyObject **);
 PyAPI_FUNC(void) PyErr_SetExcInfo(PyObject *, PyObject *, PyObject *);
+#endif
 
 #if defined(__clang__) || \
     (defined(__GNUC_MAJOR__) && \
@@ -147,7 +149,9 @@ PyAPI_FUNC(void) _PyErr_ChainExceptions(PyObject *, PyObject *, PyObject *);
 
 PyAPI_DATA(PyObject *) PyExc_BaseException;
 PyAPI_DATA(PyObject *) PyExc_Exception;
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_DATA(PyObject *) PyExc_StopAsyncIteration;
+#endif
 PyAPI_DATA(PyObject *) PyExc_StopIteration;
 PyAPI_DATA(PyObject *) PyExc_GeneratorExit;
 PyAPI_DATA(PyObject *) PyExc_ArithmeticError;
@@ -160,7 +164,9 @@ PyAPI_DATA(PyObject *) PyExc_EOFError;
 PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
 PyAPI_DATA(PyObject *) PyExc_OSError;
 PyAPI_DATA(PyObject *) PyExc_ImportError;
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 PyAPI_DATA(PyObject *) PyExc_ModuleNotFoundError;
+#endif
 PyAPI_DATA(PyObject *) PyExc_IndexError;
 PyAPI_DATA(PyObject *) PyExc_KeyError;
 PyAPI_DATA(PyObject *) PyExc_KeyboardInterrupt;
@@ -168,7 +174,9 @@ PyAPI_DATA(PyObject *) PyExc_MemoryError;
 PyAPI_DATA(PyObject *) PyExc_NameError;
 PyAPI_DATA(PyObject *) PyExc_OverflowError;
 PyAPI_DATA(PyObject *) PyExc_RuntimeError;
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_DATA(PyObject *) PyExc_RecursionError;
+#endif
 PyAPI_DATA(PyObject *) PyExc_NotImplementedError;
 PyAPI_DATA(PyObject *) PyExc_SyntaxError;
 PyAPI_DATA(PyObject *) PyExc_IndentationError;
@@ -185,6 +193,7 @@ PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
 PyAPI_DATA(PyObject *) PyExc_ValueError;
 PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_DATA(PyObject *) PyExc_BlockingIOError;
 PyAPI_DATA(PyObject *) PyExc_BrokenPipeError;
 PyAPI_DATA(PyObject *) PyExc_ChildProcessError;
@@ -200,6 +209,7 @@ PyAPI_DATA(PyObject *) PyExc_NotADirectoryError;
 PyAPI_DATA(PyObject *) PyExc_PermissionError;
 PyAPI_DATA(PyObject *) PyExc_ProcessLookupError;
 PyAPI_DATA(PyObject *) PyExc_TimeoutError;
+#endif
 
 
 /* Compatibility aliases */
@@ -232,8 +242,10 @@ PyAPI_FUNC(PyObject *) PyErr_NoMemory(void);
 PyAPI_FUNC(PyObject *) PyErr_SetFromErrno(PyObject *);
 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObject(
     PyObject *, PyObject *);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000
 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilenameObjects(
     PyObject *, PyObject *, PyObject *);
+#endif
 PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithFilename(
     PyObject *exc,
     const char *filename   /* decoded from the filesystem encoding */
@@ -279,8 +291,10 @@ PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
 PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErr(int);
 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObject(
     PyObject *,int, PyObject *);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03040000
 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilenameObjects(
     PyObject *,int, PyObject *, PyObject *);
+#endif
 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithFilename(
     PyObject *exc,
     int ierr,
@@ -293,13 +307,14 @@ PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
 PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErr(PyObject *, int);
 #endif /* MS_WINDOWS */
 
-PyAPI_FUNC(PyObject *) PyErr_SetExcWithArgsKwargs(PyObject *, PyObject *,
-    PyObject *);
-
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 PyAPI_FUNC(PyObject *) PyErr_SetImportErrorSubclass(PyObject *, PyObject *,
     PyObject *, PyObject *);
+#endif
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject *) PyErr_SetImportError(PyObject *, PyObject *,
     PyObject *);
+#endif
 
 /* Export the old function so that the existing API remains available: */
 PyAPI_FUNC(void) PyErr_BadInternalCall(void);

Include/pymem.h

@@ -101,7 +101,9 @@ PyAPI_FUNC(PyObject*) _PyTraceMalloc_GetTraceback(
 */
 
 PyAPI_FUNC(void *) PyMem_Malloc(size_t size);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03050000
 PyAPI_FUNC(void *) PyMem_Calloc(size_t nelem, size_t elsize);
+#endif
 PyAPI_FUNC(void *) PyMem_Realloc(void *ptr, size_t new_size);
 PyAPI_FUNC(void) PyMem_Free(void *ptr);
 

Include/pythonrun.h

@@ -91,9 +91,11 @@ PyAPI_FUNC(struct _mod *) PyParser_ASTFromFileObject(
 #endif
 PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlags(const char *, int,
                                                            int);
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlagsFilename(const char *,
                                                                    const char *,
                                                                    int, int);
+#endif
 PyAPI_FUNC(struct _node *) PyParser_SimpleParseFileFlags(FILE *, const char *,
                                                          int, int);
 

Include/pythread.h

@@ -69,7 +69,9 @@ PyAPI_FUNC(void) PyThread_release_lock(PyThread_type_lock);
 PyAPI_FUNC(size_t) PyThread_get_stacksize(void);
 PyAPI_FUNC(int) PyThread_set_stacksize(size_t);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject*) PyThread_GetInfo(void);
+#endif
 
 /* Thread Local Storage (TLS) API */
 PyAPI_FUNC(int) PyThread_create_key(void);

Include/unicodeobject.h

@@ -722,10 +722,12 @@ PyAPI_FUNC(PyObject*) _PyUnicode_FromASCII(
     Py_ssize_t size);
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject*) PyUnicode_Substring(
     PyObject *str,
     Py_ssize_t start,
     Py_ssize_t end);
+#endif
 
 #ifndef Py_LIMITED_API
 /* Compute the maximum character of the substring unicode[start:end].
@@ -736,6 +738,7 @@ PyAPI_FUNC(Py_UCS4) _PyUnicode_FindMaxChar (
     Py_ssize_t end);
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 /* Copy the string into a UCS4 buffer including the null character if copy_null
    is set. Return NULL and raise an exception on error. Raise a SystemError if
    the buffer is smaller than the string. Return buffer on success.
@@ -751,6 +754,7 @@ PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4(
  * PyMem_Malloc; if this fails, NULL is returned with a memory error
    exception set. */
 PyAPI_FUNC(Py_UCS4*) PyUnicode_AsUCS4Copy(PyObject *unicode);
+#endif
 
 /* Return a read-only pointer to the Unicode object's internal
    Py_UNICODE buffer.
@@ -775,11 +779,13 @@ PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicodeAndSize(
     )  /* Py_DEPRECATED(3.3) */;
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 /* Get the length of the Unicode object. */
 
 PyAPI_FUNC(Py_ssize_t) PyUnicode_GetLength(
     PyObject *unicode
 );
+#endif
 
 /* Get the number of Py_UNICODE units in the
    string representation. */
@@ -788,6 +794,7 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_GetSize(
     PyObject *unicode           /* Unicode object */
     ) Py_DEPRECATED(3.3);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 /* Read a character from the string. */
 
 PyAPI_FUNC(Py_UCS4) PyUnicode_ReadChar(
@@ -805,6 +812,7 @@ PyAPI_FUNC(int) PyUnicode_WriteChar(
     Py_ssize_t index,
     Py_UCS4 character
     );
+#endif
 
 #ifndef Py_LIMITED_API
 /* Get the maximum ordinal for a Unicode character. */
@@ -1490,6 +1498,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeUnicodeEscape(
     const char *errors          /* error handling */
     );
 
+#ifndef Py_LIMITED_API
 /* Helper for PyUnicode_DecodeUnicodeEscape that detects invalid escape
    chars. */
 PyAPI_FUNC(PyObject*) _PyUnicode_DecodeUnicodeEscape(
@@ -1500,6 +1509,7 @@ PyAPI_FUNC(PyObject*) _PyUnicode_DecodeUnicodeEscape(
                                               invalid escaped char in
                                               string. */
 );
+#endif
 
 PyAPI_FUNC(PyObject*) PyUnicode_AsUnicodeEscapeString(
     PyObject *unicode           /* Unicode object */
@@ -1690,6 +1700,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeMBCSStateful(
     Py_ssize_t *consumed        /* bytes consumed */
     );
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject*) PyUnicode_DecodeCodePageStateful(
     int code_page,              /* code page number */
     const char *string,         /* encoded string */
@@ -1697,6 +1708,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_DecodeCodePageStateful(
     const char *errors,         /* error handling */
     Py_ssize_t *consumed        /* bytes consumed */
     );
+#endif
 
 PyAPI_FUNC(PyObject*) PyUnicode_AsMBCSString(
     PyObject *unicode           /* Unicode object */
@@ -1710,11 +1722,13 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeMBCS(
     ) Py_DEPRECATED(3.3);
 #endif
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 PyAPI_FUNC(PyObject*) PyUnicode_EncodeCodePage(
     int code_page,              /* code page number */
     PyObject *unicode,          /* Unicode object */
     const char *errors          /* error handling */
     );
+#endif
 
 #endif /* MS_WINDOWS */
 
@@ -1777,6 +1791,7 @@ PyAPI_FUNC(PyObject*) _PyUnicode_TransformDecimalAndSpaceToASCII(
 
 /* --- Locale encoding --------------------------------------------------- */
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 /* Decode a string from the current locale encoding. The decoder is strict if
    *surrogateescape* is equal to zero, otherwise it uses the 'surrogateescape'
    error handler (PEP 383) to escape undecodable bytes. If a byte sequence can
@@ -1806,6 +1821,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_EncodeLocale(
     PyObject *unicode,
     const char *errors
     );
+#endif
 
 /* --- File system encoding ---------------------------------------------- */
 
@@ -2002,6 +2018,7 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_Find(
     int direction               /* Find direction: +1 forward, -1 backward */
     );
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000
 /* Like PyUnicode_Find, but search for single character only. */
 PyAPI_FUNC(Py_ssize_t) PyUnicode_FindChar(
     PyObject *str,
@@ -2010,6 +2027,7 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_FindChar(
     Py_ssize_t end,
     int direction
     );
+#endif
 
 /* Count the number of occurrences of substr in str[start:end]. */
 

Include/warnings.h

@@ -18,12 +18,14 @@ PyAPI_FUNC(int) PyErr_WarnFormat(
     const char *format,         /* ASCII-encoded string  */
     ...);
 
+#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 /* Emit a ResourceWarning warning */
 PyAPI_FUNC(int) PyErr_ResourceWarning(
     PyObject *source,
     Py_ssize_t stack_level,
     const char *format,         /* ASCII-encoded string  */
     ...);
+#endif
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(int) PyErr_WarnExplicitObject(
     PyObject *category,

Misc/NEWS

@@ -552,6 +552,10 @@ Windows
 C API
 -----
 
+- Issue #29058: All stable API extensions added after Python 3.2 are now
+  available only when Py_LIMITED_API is set to the PY_VERSION_HEX value of
+  the minimum Python version supporting this API.
+
 - Issue #28822: The indices parameters *start* and *end* of PyUnicode_FindChar()
   are now adjusted to behave like ``str[start:end]``.