Function _vec_string_no_args

numpy/core/src/multiarray/multiarraymodule.c:4136–4203

}

static PyObject *
_vec_string_no_args(PyArrayObject* char_array,
                                   PyArray_Descr* type, PyObject* method)
{
    /*
     * This is a faster version of _vec_string_args to use when there
     * are no additional arguments to the string method.  This doesn't
     * require a broadcast iterator (and broadcast iterators don't work
     * with 1 argument anyway).
     */
    PyArrayIterObject* in_iter = NULL;
    PyArrayObject* result = NULL;
    PyArrayIterObject* out_iter = NULL;

    in_iter = (PyArrayIterObject*)PyArray_IterNew((PyObject*)char_array);
    if (in_iter == NULL) {
        Py_DECREF(type);
        goto err;
    }

    result = (PyArrayObject*)PyArray_SimpleNewFromDescr(
            PyArray_NDIM(char_array), PyArray_DIMS(char_array), type);
    if (result == NULL) {
        goto err;
    }

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

    while (PyArray_ITER_NOTDONE(in_iter)) {
        PyObject* item_result;
        PyObject* item = PyArray_ToScalar(in_iter->dataptr, in_iter->ao);
        if (item == NULL) {
            goto err;
        }

        item_result = PyObject_CallFunctionObjArgs(method, item, NULL);
        Py_DECREF(item);
        if (item_result == NULL) {
            goto err;
        }

        if (PyArray_SETITEM(result, PyArray_ITER_DATA(out_iter), item_result)) {
            Py_DECREF(item_result);
            PyErr_SetString( PyExc_TypeError,
                "result array type does not match underlying function");
            goto err;
        }
        Py_DECREF(item_result);

        PyArray_ITER_NEXT(in_iter);
        PyArray_ITER_NEXT(out_iter);
    }

    Py_DECREF(in_iter);
    Py_DECREF(out_iter);