Function PyArray_TupleFromItems

numpy/core/src/multiarray/common.h:314–333

* Simple helper to create a tuple from an array of items. The `make_null_none` * flag means that NULL entries are replaced with None, which is occasionally * useful. */

 * useful.
 */
static inline PyObject *
PyArray_TupleFromItems(int n, PyObject *const *items, int make_null_none)
{
    PyObject *tuple = PyTuple_New(n);
    if (tuple == NULL) {
        return NULL;
    }
    for (int i = 0; i < n; i ++) {
        PyObject *tmp;
        if (!make_null_none || items[i] != NULL) {
            tmp = items[i];
        }
        else {
            tmp = Py_None;
        }
        Py_INCREF(tmp);
        PyTuple_SET_ITEM(tuple, i, tmp);
    }
    return tuple;
}

/*
 * Returns 0 if the array has rank 0, -1 otherwise. Prints a deprecation