bpo-45467: Fix IncrementalDecoder and StreamReader in the "raw-unicode-escape" codec (GH-28944)

They support now splitting escape sequences between input chunks.

Add the third parameter "final" in codecs.raw_unicode_escape_decode().
It is True by default to match the former behavior.

1 files changed, 10 insertions, 0 deletions

diff --git a/Include/cpython/unicodeobject.h b/Include/cpython/unicodeobject.h
index bc5a3b4..ab4aebf 100644
--- a/Include/cpython/unicodeobject.h
+++ b/Include/cpython/unicodeobject.h
@@ -796,6 +796,16 @@ PyAPI_FUNC(PyObject*) _PyUnicode_DecodeUnicodeEscapeInternal(
                                               string. */
 );
 
+/* --- Raw-Unicode-Escape Codecs ---------------------------------------------- */
+
+/* Variant of PyUnicode_DecodeRawUnicodeEscape that supports partial decoding. */
+PyAPI_FUNC(PyObject*) _PyUnicode_DecodeRawUnicodeEscapeStateful(
+        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 */
+);
+
 /* --- Latin-1 Codecs ----------------------------------------------------- */
 
 PyAPI_FUNC(PyObject*) _PyUnicode_AsLatin1String(