How to use the onelogin.saml2.utils.OneLogin_Saml2_Utils.parse_SAML_to_time function in onelogin

idp_entity_id = idp_data['entityId']

            get_data = ('get_data' in request_data and request_data['get_data']) or dict()

            if self.__settings.is_strict():
                res = OneLogin_Saml2_XML.validate_xml(root, 'saml-schema-protocol-2.0.xsd', self.__settings.is_debug_active())
                if isinstance(res, str):
                    raise Exception('Invalid SAML Logout Request. Not match the saml-schema-protocol-2.0.xsd')

                security = self.__settings.get_security_data()

                current_url = OneLogin_Saml2_Utils.get_self_url_no_query(request_data)

                # Check NotOnOrAfter
                if root.get('NotOnOrAfter', None):
                    na = OneLogin_Saml2_Utils.parse_SAML_to_time(root.get('NotOnOrAfter'))
                    if na <= OneLogin_Saml2_Utils.now():
                        raise Exception('Timing issues (please check your clock settings)')

                # Check destination
                if root.get('Destination', None):
                    destination = root.get('Destination')
                    if destination != '':
                        if current_url not in destination:
                            raise Exception(
                                'The LogoutRequest was received at '
                                '%(currentURL)s instead of %(destination)s' %
                                {
                                    'currentURL': current_url,
                                    'destination': destination,
                                }
                            )

errors = []
        root = OneLogin_Saml2_XML.validate_xml(xml, 'saml-schema-metadata-2.0.xsd', self.__debug)
        if isinstance(root, str):
            errors.append(root)
        else:
            if root.tag != '{%s}EntityDescriptor' % OneLogin_Saml2_Constants.NS_MD:
                errors.append('noEntityDescriptor_xml')
            else:
                if (len(root.findall('.//md:SPSSODescriptor', namespaces=OneLogin_Saml2_Constants.NSMAP))) != 1:
                    errors.append('onlySPSSODescriptor_allowed_xml')
                else:
                    valid_until, cache_duration = root.get('validUntil'), root.get('cacheDuration')

                    if valid_until:
                        valid_until = OneLogin_Saml2_Utils.parse_SAML_to_time(valid_until)
                    expire_time = OneLogin_Saml2_Utils.get_expire_time(cache_duration, valid_until)
                    if expire_time is not None and int(time()) > int(expire_time):
                        errors.append('expired_xml')

        # TODO: Validate Sign

        return errors

irt = sc_data.get('InResponseTo', None)
                        if (in_response_to is None and irt is not None and
                           security.get('rejectUnsolicitedResponsesWithInResponseTo', False)) or \
                           in_response_to and irt and irt != in_response_to:
                            continue
                        recipient = sc_data.get('Recipient', None)
                        if recipient and current_url not in recipient:
                            continue
                        nooa = sc_data.get('NotOnOrAfter', None)
                        if nooa:
                            parsed_nooa = OneLogin_Saml2_Utils.parse_SAML_to_time(nooa)
                            if parsed_nooa <= OneLogin_Saml2_Utils.now():
                                continue
                        nb = sc_data.get('NotBefore', None)
                        if nb:
                            parsed_nb = OneLogin_Saml2_Utils.parse_SAML_to_time(nb)
                            if parsed_nb > OneLogin_Saml2_Utils.now():
                                continue

                        if nooa:
                            self.valid_scd_not_on_or_after = OneLogin_Saml2_Utils.parse_SAML_to_time(nooa)

                        any_subject_confirmation = True
                        break

                if not any_subject_confirmation:
                    raise OneLogin_Saml2_ValidationError(
                        'A valid SubjectConfirmation was not found on this Response',
                        OneLogin_Saml2_ValidationError.WRONG_SUBJECTCONFIRMATION
                    )

                if security.get('wantAssertionsSigned', False) and not has_signed_assertion:

continue
                    sc_data = scn.find('saml:SubjectConfirmationData', namespaces=OneLogin_Saml2_Constants.NSMAP)
                    if sc_data is None:
                        continue
                    else:
                        irt = sc_data.get('InResponseTo', None)
                        if (in_response_to is None and irt is not None and
                           security.get('rejectUnsolicitedResponsesWithInResponseTo', False)) or \
                           in_response_to and irt and irt != in_response_to:
                            continue
                        recipient = sc_data.get('Recipient', None)
                        if recipient and current_url not in recipient:
                            continue
                        nooa = sc_data.get('NotOnOrAfter', None)
                        if nooa:
                            parsed_nooa = OneLogin_Saml2_Utils.parse_SAML_to_time(nooa)
                            if parsed_nooa <= OneLogin_Saml2_Utils.now():
                                continue
                        nb = sc_data.get('NotBefore', None)
                        if nb:
                            parsed_nb = OneLogin_Saml2_Utils.parse_SAML_to_time(nb)
                            if parsed_nb > OneLogin_Saml2_Utils.now():
                                continue

                        if nooa:
                            self.valid_scd_not_on_or_after = OneLogin_Saml2_Utils.parse_SAML_to_time(nooa)

                        any_subject_confirmation = True
                        break

                if not any_subject_confirmation:
                    raise OneLogin_Saml2_ValidationError(

if self.__settings.is_strict():
                res = OneLogin_Saml2_Utils.validate_xml(dom, 'saml-schema-protocol-2.0.xsd', self.__settings.is_debug_active())
                if not isinstance(res, Document):
                    raise OneLogin_Saml2_ValidationError(
                        'Invalid SAML Logout Request. Not match the saml-schema-protocol-2.0.xsd',
                        OneLogin_Saml2_ValidationError.INVALID_XML_FORMAT
                    )

                security = self.__settings.get_security_data()

                current_url = OneLogin_Saml2_Utils.get_self_url_no_query(request_data)

                # Check NotOnOrAfter
                if dom.get('NotOnOrAfter', None):
                    na = OneLogin_Saml2_Utils.parse_SAML_to_time(dom.get('NotOnOrAfter'))
                    if na <= OneLogin_Saml2_Utils.now():
                        raise OneLogin_Saml2_ValidationError(
                            'Could not validate timestamp: expired. Check system clock.',
                            OneLogin_Saml2_ValidationError.RESPONSE_EXPIRED
                        )

                # Check destination
                if dom.get('Destination', None):
                    destination = dom.get('Destination')
                    if destination != '':
                        if current_url not in destination:
                            raise Exception(
                                'The LogoutRequest was received at '
                                '%(currentURL)s instead of %(destination)s' %
                                {
                                    'currentURL': current_url,

continue
                    else:
                        irt = sc_data.get('InResponseTo', None)
                        if in_response_to and irt and irt != in_response_to:
                            continue
                        recipient = sc_data.get('Recipient', None)
                        if recipient and current_url not in recipient:
                            continue
                        nooa = sc_data.get('NotOnOrAfter', None)
                        if nooa:
                            parsed_nooa = OneLogin_Saml2_Utils.parse_SAML_to_time(nooa)
                            if parsed_nooa <= OneLogin_Saml2_Utils.now():
                                continue
                        nb = sc_data.get('NotBefore', None)
                        if nb:
                            parsed_nb = OneLogin_Saml2_Utils.parse_SAML_to_time(nb)
                            if parsed_nb > OneLogin_Saml2_Utils.now():
                                continue
                        any_subject_confirmation = True
                        break

                if not any_subject_confirmation:
                    raise Exception('A valid SubjectConfirmation was not found on this Response')

                if security['wantAssertionsSigned'] and ('{%s}Assertion' % OneLogin_Saml2_Constants.NS_SAML) not in signed_elements:
                    raise Exception('The Assertion of the Response is not signed and the SP require it')

                if security['wantMessagesSigned'] and ('{%s}Response' % OneLogin_Saml2_Constants.NS_SAMLP) not in signed_elements:
                    raise Exception('The Message of the Response is not signed and the SP require it')

            if len(signed_elements) > 0:
                if len(signed_elements) > 2: