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[3.11] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106… by serhiy-storchaka · Pull Request #106039 · python/cpython · GitHub

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[3.11] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106… #106039

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Merged
serhiy-storchaka merged 1 commit into from
Jun 23, 2023
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[3.11] gh-106030: Miscellaneous fixes in Python/suggestions.c (GH-106… #106039

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12 changes: 6 additions & 6 deletions Python/suggestions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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.
Expand Down Expand Up @@ -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;
}

Expand All @@ -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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