[Python-checkins] [3.11] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106… (GH-106039)
serhiy-storchaka
webhook-mailer at python.org
Fri Jun 23 14:13:10 EDT 2023
https://github.com/python/cpython/commit/26d87fd5c7a2f94ad0a9c5385722a13a9c75fa78
commit: 26d87fd5c7a2f94ad0a9c5385722a13a9c75fa78
branch: 3.11
author: Serhiy Storchaka <storchaka at gmail.com>
committer: serhiy-storchaka <storchaka at gmail.com>
date: 2023-06-23T21:13:07+03:00
summary:
[3.11] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106… (GH-106039)
* PyUnicode_CompareWithASCIIString() only works if the second argument
is ASCII string.
* Refleak in get_suggestions_for_name_error.
* Add some missing error checks.
(cherry picked from commit c8c162ef5294cddb7ac75fe93ab918e5661c68ee)
files:
M Python/suggestions.c
diff --git a/Python/suggestions.c b/Python/suggestions.c
index c336ec8ffffc9..5a4cf93246a3e 100644
--- a/Python/suggestions.c
+++ b/Python/suggestions.c
@@ -147,14 +147,14 @@ calculate_suggestions(PyObject *dir,
for (int i = 0; i < dir_size; ++i) {
PyObject *item = PyList_GET_ITEM(dir, i);
+ if (_PyUnicode_Equal(name, item)) {
+ continue;
+ }
Py_ssize_t item_size;
const char *item_str = PyUnicode_AsUTF8AndSize(item, &item_size);
if (item_str == NULL) {
return NULL;
}
- if (PyUnicode_CompareWithASCIIString(name, item_str) == 0) {
- continue;
- }
// No more than 1/3 of the involved characters should need changed.
Py_ssize_t max_distance = (name_size + item_size + 3) * MOVE_COST / 6;
// Don't take matches we've already beaten.
@@ -225,19 +225,19 @@ offer_suggestions_for_name_error(PyNameErrorObject *exc)
PyCodeObject *code = PyFrame_GetCode(frame);
assert(code != NULL && code->co_localsplusnames != NULL);
PyObject *varnames = _PyCode_GetVarnames(code);
+ Py_DECREF(code);
if (varnames == NULL) {
return NULL;
}
PyObject *dir = PySequence_List(varnames);
Py_DECREF(varnames);
- Py_DECREF(code);
if (dir == NULL) {
return NULL;
}
PyObject *suggestions = calculate_suggestions(dir, name);
Py_DECREF(dir);
- if (suggestions != NULL) {
+ if (suggestions != NULL|| PyErr_Occurred()) {
return suggestions;
}
@@ -247,7 +247,7 @@ offer_suggestions_for_name_error(PyNameErrorObject *exc)
}
suggestions = calculate_suggestions(dir, name);
Py_DECREF(dir);
- if (suggestions != NULL) {
+ if (suggestions != NULL || PyErr_Occurred()) {
return suggestions;
}
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