How to use the elementpath.datatypes.DateTime10 function in elementpath

{
        'name': XSD_NEGATIVE_INTEGER,
        'python_type': (long_type, int),
        'base_type': XSD_NON_POSITIVE_INTEGER,
        'facets': [negative_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='-1')]
    },  # only negative value allowed [< 0]
)

XSD_10_BUILTIN_TYPES = XSD_COMMON_BUILTIN_TYPES + (
    # --- Year related primitive types (year 0 not allowed) ---
    {
        'name': XSD_DATETIME,
        'python_type': (unicode_type, str, datatypes.DateTime10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
        'to_python': datatypes.DateTime10.fromstring,
    },  # [-][Y*]YYYY-MM-DD[Thh:mm:ss]
    {
        'name': XSD_DATE,
        'python_type': (unicode_type, str, datatypes.Date10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
        'to_python': datatypes.Date10.fromstring,
    },  # [-][Y*]YYYY-MM-DD
    {
        'name': XSD_GYEAR,
        'python_type': (unicode_type, str, datatypes.GregorianYear10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
        'to_python': datatypes.GregorianYear10.fromstring,
    },  # [-][Y*]YYYY
    {

'base_type': XSD_INTEGER,
        'facets': [non_positive_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='0')]
    },  # only zero and smaller value allowed [<= 0]
    {
        'name': XSD_NEGATIVE_INTEGER,
        'python_type': (long_type, int),
        'base_type': XSD_NON_POSITIVE_INTEGER,
        'facets': [negative_int_validator, etree_element(XSD_MAX_INCLUSIVE, value='-1')]
    },  # only negative value allowed [< 0]
)

XSD_10_BUILTIN_TYPES = XSD_COMMON_BUILTIN_TYPES + (
    # --- Year related primitive types (year 0 not allowed) ---
    {
        'name': XSD_DATETIME,
        'python_type': (unicode_type, str, datatypes.DateTime10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
        'to_python': datatypes.DateTime10.fromstring,
    },  # [-][Y*]YYYY-MM-DD[Thh:mm:ss]
    {
        'name': XSD_DATE,
        'python_type': (unicode_type, str, datatypes.Date10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],
        'to_python': datatypes.Date10.fromstring,
    },  # [-][Y*]YYYY-MM-DD
    {
        'name': XSD_GYEAR,
        'python_type': (unicode_type, str, datatypes.GregorianYear10),
        'admitted_facets': DATETIME_FACETS,
        'facets': [COLLAPSE_WHITE_SPACE_ELEMENT],