# Copyright (c) 2014, 2022, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2.0, as
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# published by the Free Software Foundation.
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#
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# This program is also distributed with certain software (including
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# but not limited to OpenSSL) that is licensed under separate terms,
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# as designated in a particular file or component or in included license
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# documentation. The authors of MySQL hereby grant you an
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# additional permission to link the program and your derivative works
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# with the separately licensed software that they have included with
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# MySQL.
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#
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# Without limiting anything contained in the foregoing, this file,
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# which is part of MySQL Connector/Python, is also subject to the
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# Universal FOSS Exception, version 1.0, a copy of which can be found at
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# http://oss.oracle.com/licenses/universal-foss-exception.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License, version 2.0, for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""Custom Python types used by MySQL Connector/Python"""
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from __future__ import annotations
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from typing import Type
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class HexLiteral(str):
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"""Class holding MySQL hex literals"""
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charset: str = ""
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original: str = ""
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def __new__(cls: Type[HexLiteral], str_: str, charset: str = "utf8") -> HexLiteral:
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hexed = [f"{i:02x}" for i in str_.encode(charset)]
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obj = str.__new__(cls, "".join(hexed))
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obj.charset = charset
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obj.original = str_
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return obj
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def __str__(self) -> str:
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return "0x" + self
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