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bpo-29116: Improve error message for concatenating str with non-str. (#710)

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Serhiy Storchaka 2017-03-19 19:38:42 +02:00 • committed by GitHub
parent 80ec8364f1
commit 004e03fb0c
1 changed files with 10 additions and 1 deletions
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11
Objects/unicodeobject.c
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@ -11282,7 +11282,16 @@ PyUnicode_Concat(PyObject *left, PyObject *right)
Py_UCS4 maxchar, maxchar2; Py_UCS4 maxchar, maxchar2;
Py_ssize_t left_len, right_len, new_len; Py_ssize_t left_len, right_len, new_len;
if (ensure_unicode(left) < 0 || ensure_unicode(right) < 0) if (ensure_unicode(left) < 0)
return NULL;
if (!PyUnicode_Check(right)) {
PyErr_Format(PyExc_TypeError,
"can only concatenate str (not \"%.200s\") to str",
right->ob_type->tp_name);
return NULL;
}
if (PyUnicode_READY(right) < 0)
return NULL; return NULL;
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