Function is_any_numpy_timedelta

numpy/core/src/multiarray/datetime.c:3083–3105

* Returns true if the object is something that is best considered * a Datetime, false otherwise. */

 * a Datetime, false otherwise.
 */
static NPY_GCC_NONNULL(1) npy_bool
is_any_numpy_datetime(PyObject *obj)
{
    return (PyArray_IsScalar(obj, Datetime) ||
            (PyArray_Check(obj) && (
                PyArray_DESCR((PyArrayObject *)obj)->type_num ==
                                                        NPY_DATETIME)) ||
            PyDate_Check(obj) ||
            PyDateTime_Check(obj));
}

/*
 * Returns true if the object is something that is best considered
 * a Timedelta, false otherwise.
 */
static npy_bool
is_any_numpy_timedelta(PyObject *obj)
{
    return (PyArray_IsScalar(obj, Timedelta) ||
        (PyArray_Check(obj) && (
            PyArray_DESCR((PyArrayObject *)obj)->type_num == NPY_TIMEDELTA)) ||
        PyDelta_Check(obj));
}

/*
 * Returns true if the object is something that is best considered