Converts the inputted string text to a value that matches the type from
        this column type.

        :param      value | <str>

def valueFromString(self, value, context=None):
        """
        Converts the inputted string text to a value that matches the type from
        this column type.

        :param      value | <str>
        """
        if value == 'now':
            return datetime.datetime.now().time()
        elif dateutil_parser:
            return dateutil_parser.parse(value).time()
        else:
            time_struct = time.strptime(value, self.defaultFormat())
            return datetime.time(time_struct.tm_hour,
                                 time_struct.tm_min,
                                 time_struct.tm_sec)