Add stub functions.

Author: serhiy-storchaka

Include/internal/pycore_bytesobject.h

@@ -23,6 +23,9 @@ extern PyObject* _PyBytes_FromHex(
 PyAPI_FUNC(PyObject*) _PyBytes_DecodeEscape2(const char *, Py_ssize_t,
                                              const char *,
                                              int *, const char **);
+// Export for binary compatibility.
+PyAPI_FUNC(PyObject*) _PyBytes_DecodeEscape(const char *, Py_ssize_t,
+                                            const char *, const char **);
 
 
 // Substring Search.

Include/internal/pycore_unicodeobject.h

@@ -154,6 +154,15 @@ PyAPI_FUNC(PyObject*) _PyUnicode_DecodeUnicodeEscapeInternal2(
                                         point to the first invalid escaped
                                         char in string.
                                         May be NULL if errors is not NULL. */
+// Export for binary compatibility.
+PyAPI_FUNC(PyObject*) _PyUnicode_DecodeUnicodeEscapeInternal(
+    const char *string,     /* Unicode-Escape encoded string */
+    Py_ssize_t length,      /* size of string */
+    const char *errors,     /* error handling */
+    Py_ssize_t *consumed,   /* bytes consumed */
+    const char **first_invalid_escape); /* on return, points to first
+                                           invalid escaped char in
+                                           string. */
 
 /* --- Raw-Unicode-Escape Codecs ---------------------------------------------- */
 

Objects/bytesobject.c

@@ -1183,6 +1183,19 @@ PyObject *_PyBytes_DecodeEscape2(const char *s,
     return NULL;
 }
 
+// Export for binary compatibility.
+PyObject *_PyBytes_DecodeEscape(const char *s,
+                                Py_ssize_t len,
+                                const char *errors,
+                                const char **first_invalid_escape)
+{
+    int first_invalid_escape_char;
+    return _PyBytes_DecodeEscape2(
+            s, len, errors,
+            &first_invalid_escape_char,
+            first_invalid_escape);
+}
+
 PyObject *PyBytes_DecodeEscape(const char *s,
                                 Py_ssize_t len,
                                 const char *errors,

Objects/unicodeobject.c

@@ -6433,6 +6433,21 @@ _PyUnicode_DecodeUnicodeEscapeInternal2(const char *s,
     return NULL;
 }
 
+// Export for binary compatibility.
+PyObject *
+_PyUnicode_DecodeUnicodeEscapeInternal(const char *s,
+                               Py_ssize_t size,
+                               const char *errors,
+                               Py_ssize_t *consumed,
+                               const char **first_invalid_escape)
+{
+    int first_invalid_escape_char;
+    return _PyUnicode_DecodeUnicodeEscapeInternal2(
+            s, size, errors, consumed,
+            &first_invalid_escape_char,
+            first_invalid_escape);
+}
+
 PyObject *
 _PyUnicode_DecodeUnicodeEscapeStateful(const char *s,
                               Py_ssize_t size,