# MySQL Connector/Python - MySQL driver written in Python.
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

# MySQL Connector/Python is licensed under the terms of the GPLv2
# <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
# MySQL Connectors. There are special exceptions to the terms and
# conditions of the GPLv2 as it is applied to this software, see the
# FOSS License Exception
# <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

"""Custom Python types used by MySQL Connector/Python"""


import sys


class HexLiteral(str):

    """Class holding MySQL hex literals"""

    def __new__(cls, str_, charset='utf8'):
        if sys.version_info[0] == 2:
            hexed = ["%02x" % ord(i) for i in str_.encode(charset)]
        else:
            hexed = ["%02x" % i for i in str_.encode(charset)]
        obj = str.__new__(cls, ''.join(hexed))
        obj.charset = charset
        obj.original = str_
        return obj

    def __str__(self):
        return '0x' + self