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Raymond Hettinger 2016-01-26 21:46:03 -08:00
commit 0ef0423cb2
3 changed files with 24 additions and 0 deletions
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7
Modules/_collectionsmodule.c
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@ -1085,10 +1085,17 @@ deque_insert(dequeobject *deque, PyObject *args)
Py_ssize_t index;
Py_ssize_t n = Py_SIZE(deque);
PyObject *value;
PyObject *oldvalue;
PyObject *rv;
if (!PyArg_ParseTuple(args, "nO:insert", &index, &value))
return NULL;
if (deque->maxlen == Py_SIZE(deque)) {
if (index >= deque->maxlen || Py_SIZE(deque) == 0)
Py_RETURN_NONE;
oldvalue = deque_pop(deque, NULL);
Py_DECREF(oldvalue);
}
if (index >= n)
return deque_append(deque, value);
if (index <= -n || index == 0)