[3.12] gh-105069: Add a readline-like callable to the tokenizer to consume input iteratively (GH-105070) (#105119)

gh-105069: Add a readline-like callable to the tokenizer to consume input iteratively (GH-105070)
(cherry picked from commit 9216e69a87d16d871625721ed5a8aa302511f367)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

1 files changed, 7 insertions, 5 deletions

diff --git a/Python/Python-tokenize.c b/Python/Python-tokenize.c
index 2de1daa..a7933b2 100644
--- a/Python/Python-tokenize.c
+++ b/Python/Python-tokenize.c
@@ -37,15 +37,17 @@ typedef struct
 @classmethod
 _tokenizer.tokenizeriter.__new__ as tokenizeriter_new
 
-    source: str
+    readline: object
+    /
     *
     extra_tokens: bool
+    encoding: str(c_default="NULL") = 'utf-8'
 [clinic start generated code]*/
 
 static PyObject *
-tokenizeriter_new_impl(PyTypeObject *type, const char *source,
-                       int extra_tokens)
-/*[clinic end generated code: output=f6f9d8b4beec8106 input=90dc5b6a5df180c2]*/
+tokenizeriter_new_impl(PyTypeObject *type, PyObject *readline,
+                       int extra_tokens, const char *encoding)
+/*[clinic end generated code: output=7501a1211683ce16 input=f7dddf8a613ae8bd]*/
 {
     tokenizeriterobject *self = (tokenizeriterobject *)type->tp_alloc(type, 0);
     if (self == NULL) {
@@ -55,7 +57,7 @@ tokenizeriter_new_impl(PyTypeObject *type, const char *source,
     if (filename == NULL) {
         return NULL;
     }
-    self->tok = _PyTokenizer_FromUTF8(source, 1, 1);
+    self->tok = _PyTokenizer_FromReadline(readline, encoding, 1, 1);
     if (self->tok == NULL) {
         Py_DECREF(filename);
         return NULL;