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gh-145142: Make str.maketrans safe under free-threading #145157

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Merged
colesbury merged 13 commits into from
Feb 27, 2026
+63 −31
Merged

gh-145142: Make str.maketrans safe under free-threading #145157

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0745e41
gh-145142: Make str.maketrans safe under free-threading
VanshAgarwal24036 Feb 23, 2026
3fdf54c
Add new line at end of test file
VanshAgarwal24036 Feb 23, 2026
9a75245
Update changes
VanshAgarwal24036 Feb 24, 2026
5071b9d
Add new line at end of news file
VanshAgarwal24036 Feb 24, 2026
b34fd09
Remove unnecessary paranthesis in news file
VanshAgarwal24036 Feb 24, 2026
044c347
Correct build error
VanshAgarwal24036 Feb 24, 2026
b7e9d1b
Update
VanshAgarwal24036 Feb 24, 2026
bfc812a
Add new function
VanshAgarwal24036 Feb 24, 2026
f7c3c45
Update helper fuction
VanshAgarwal24036 Feb 24, 2026
4e715b0
Update function
VanshAgarwal24036 Feb 24, 2026
b60b67c
Perform suggested changes
VanshAgarwal24036 Feb 24, 2026
28af6d8
Fix placement of clinic code
colesbury Feb 27, 2026
4994663
Merge branch 'main' into gh-145142-dict-next-critical-section
colesbury Feb 27, 2026
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@VanshAgarwal24036
VanshAgarwal24036 committed Feb 24, 2026
commit 4e715b009b73f76063db88741b415a0a355d7a37
18 changes: 9 additions & 9 deletions Objects/unicodeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13090,8 +13090,7 @@ unicode_maketrans_from_dict(PyObject *x, PyObject *newdict)
PyObject *key, *value;
Py_ssize_t i = 0;
int res;
int ret = -1; /* assume failure */

int ret = -1;
Py_BEGIN_CRITICAL_SECTION(x);
while (PyDict_Next(x, &i, &key, &value)) {
if (PyUnicode_Check(key)) {
Expand All @@ -13101,30 +13100,31 @@ unicode_maketrans_from_dict(PyObject *x, PyObject *newdict)
if (PyUnicode_GET_LENGTH(key) != 1) {
PyErr_SetString(PyExc_ValueError, "string keys in translate"
"table must be of length 1");
goto done;
break;
}
kind = PyUnicode_KIND(key);
data = PyUnicode_DATA(key);
newkey = PyLong_FromLong(PyUnicode_READ(kind, data, 0));
if (!newkey)
goto done;
break;
res = PyDict_SetItem(newdict, newkey, value);
Py_DECREF(newkey);
if (res < 0)
goto done;
break;
}
else if (PyLong_Check(key)) {
if (PyDict_SetItem(newdict, key, value) < 0)
goto done;
break;
}
else {
PyErr_SetString(PyExc_TypeError, "keys in translate table must"
"be strings or integers");
goto done;
break;
}
}
ret = 0;
done:
if (!PyErr_Occurred()) {
ret = 0;
}
Py_END_CRITICAL_SECTION();
return ret;
}
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