Function get_array_function

numpy/core/src/multiarray/arrayfunction_override.c:29–50

* Get an object's __array_function__ method in the fastest way possible. * Never raises an exception. Returns NULL if the method doesn't exist. */

 * Never raises an exception. Returns NULL if the method doesn't exist.
 */
static PyObject *
get_array_function(PyObject *obj)
{
    static PyObject *ndarray_array_function = NULL;

    if (ndarray_array_function == NULL) {
        ndarray_array_function = get_ndarray_array_function();
    }

    /* Fast return for ndarray */
    if (PyArray_CheckExact(obj)) {
        Py_INCREF(ndarray_array_function);
        return ndarray_array_function;
    }

    PyObject *array_function = PyArray_LookupSpecial(obj, npy_ma_str_array_function);
    if (array_function == NULL && PyErr_Occurred()) {
        PyErr_Clear(); /* TODO[gh-14801]: propagate crashes during attribute access? */
    }

    return array_function;
}


/*