Function _vec_string_with_args

numpy/core/src/multiarray/multiarraymodule.c:4040–4134

}

static PyObject *
_vec_string_with_args(PyArrayObject* char_array, PyArray_Descr* type,
                      PyObject* method, PyObject* args)
{
    PyObject* broadcast_args[NPY_MAXARGS];
    PyArrayMultiIterObject* in_iter = NULL;
    PyArrayObject* result = NULL;
    PyArrayIterObject* out_iter = NULL;
    Py_ssize_t i, n, nargs;

    nargs = PySequence_Size(args) + 1;
    if (nargs == -1 || nargs > NPY_MAXARGS) {
        PyErr_Format(PyExc_ValueError,
                "len(args) must be < %d", NPY_MAXARGS - 1);
        Py_DECREF(type);
        goto err;
    }

    broadcast_args[0] = (PyObject*)char_array;
    for (i = 1; i < nargs; i++) {
        PyObject* item = PySequence_GetItem(args, i-1);
        if (item == NULL) {
            Py_DECREF(type);
            goto err;
        }
        broadcast_args[i] = item;
        Py_DECREF(item);
    }
    in_iter = (PyArrayMultiIterObject*)PyArray_MultiIterFromObjects
        (broadcast_args, nargs, 0);
    if (in_iter == NULL) {
        Py_DECREF(type);
        goto err;
    }
    n = in_iter->numiter;

    result = (PyArrayObject*)PyArray_SimpleNewFromDescr(in_iter->nd,
            in_iter->dimensions, type);
    if (result == NULL) {
        goto err;
    }

    out_iter = (PyArrayIterObject*)PyArray_IterNew((PyObject*)result);
    if (out_iter == NULL) {
        goto err;
    }

    while (PyArray_MultiIter_NOTDONE(in_iter)) {
        PyObject* item_result;
        PyObject* args_tuple = PyTuple_New(n);
        if (args_tuple == NULL) {
            goto err;
        }

        for (i = 0; i < n; i++) {
            PyArrayIterObject* it = in_iter->iters[i];
            PyObject* arg = PyArray_ToScalar(PyArray_ITER_DATA(it), it->ao);
            if (arg == NULL) {