python · pablogsal · Jun 21, 2020 · Jun 20, 2020 · Jun 20, 2020 · Jun 21, 2020
diff --git a/Doc/c-api/veryhigh.rst b/Doc/c-api/veryhigh.rst
@@ -193,13 +193,17 @@ the same library that the Python runtime is using.
   :c:func:`PyParser_SimpleParseStringFlagsFilename` below, leaving  *filename* set
   to ``NULL`` and *flags* set to ``0``.

+   .. deprecated-removed:: 3.9 3.10
+

 .. c:function:: struct _node* PyParser_SimpleParseStringFlags( const char *str, int start, int flags)

   This is a simplified interface to
   :c:func:`PyParser_SimpleParseStringFlagsFilename` below, leaving  *filename* set
   to ``NULL``.

+   .. deprecated-removed:: 3.9 3.10
+

 .. c:function:: struct _node* PyParser_SimpleParseStringFlagsFilename( const char *str, const char *filename, int start, int flags)

@@ -209,18 +213,24 @@ the same library that the Python runtime is using.
   many times. *filename* is decoded from the filesystem encoding
   (:func:`sys.getfilesystemencoding`).

+   .. deprecated-removed:: 3.9 3.10
+

 .. c:function:: struct _node* PyParser_SimpleParseFile(FILE *fp, const char *filename, int start)

   This is a simplified interface to :c:func:`PyParser_SimpleParseFileFlags` below,
   leaving *flags* set to ``0``.

+   .. deprecated-removed:: 3.9 3.10
+

 .. c:function:: struct _node* PyParser_SimpleParseFileFlags(FILE *fp, const char *filename, int start, int flags)

   Similar to :c:func:`PyParser_SimpleParseStringFlagsFilename`, but the Python
   source code is read from *fp* instead of an in-memory string.

+   .. deprecated-removed:: 3.9 3.10
+

 .. c:function:: PyObject* PyRun_String(const char *str, int start, PyObject *globals, PyObject *locals)


diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
@@ -704,6 +704,11 @@ Deprecated
  users can leverage the Abstract Syntax Tree (AST) generation and compilation
  stage, using the :mod:`ast` module.

+* The Public C API functions :c:func:`PyParser_SimpleParseStringFlags`,
+  :c:func:`PyParser_SimpleParseStringFlagsFilename` and
+  :c:func:`PyParser_SimpleParseFileFlags` are deprecated and will be removed
+  in Python 3.10 together with the old parser.
+
 * Using :data:`NotImplemented` in a boolean context has been deprecated,
  as it is almost exclusively the result of incorrect rich comparator
  implementations. It will be made a :exc:`TypeError` in a future version

diff --git a/Include/pythonrun.h b/Include/pythonrun.h
@@ -72,16 +72,15 @@ PyAPI_FUNC(struct _mod *) PyParser_ASTFromFileObject(
 #define PyParser_SimpleParseFile(FP, S, B) \
    PyParser_SimpleParseFileFlags(FP, S, B, 0)
 #endif
-PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlags(const char *, int,
-                                                           int);
+Py_DEPRECATED(3.9) 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);
+Py_DEPRECATED(3.9) PyAPI_FUNC(struct _node *) PyParser_SimpleParseStringFlagsFilename(const char *,
+                                                                                      const char *,
+                                                                                      int, int);
 #endif
-PyAPI_FUNC(struct _node *) PyParser_SimpleParseFileFlags(FILE *, const char *,
-                                                         int, int);
-
+Py_DEPRECATED(3.9) PyAPI_FUNC(struct _node *) PyParser_SimpleParseFileFlags(FILE *, const char *,
+                                                                            int, int);
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) PyRun_StringFlags(const char *, int, PyObject *,
                                         PyObject *, PyCompilerFlags *);

diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-06-20-18-36-05.bpo-40939.V3eiAZ.rst b/Misc/NEWS.d/next/Core and Builtins/2020-06-20-18-36-05.bpo-40939.V3eiAZ.rst
@@ -0,0 +1 @@
+Deprecate :c:func:`PyParser_SimpleParseStringFlags`, :c:func:`PyParser_SimpleParseStringFlagsFilename` and :c:func:`PyParser_SimpleParseFileFlags`.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Deprecate :c:func:`PyParser_SimpleParseStringFlags`, :c:func:`PyParser_SimpleParseStringFlagsFilename` and :c:func:`PyParser_SimpleParseFileFlags`.