PPMd compression/decompression library
Project description
Introduction
pyppmd module provides classes and functions for compressing and decompressing text data, using PPM(Prediction by partial matching) compression algorithm which has several variations of implementations. PPMd is the implementation by Dmitry Shkarin.
The API is similar to Python’s bz2/lzma/zlib module.
Some parts of th codes are derived from 7-zip, pyzstd and ppmd-cffi.
Development status
A development status is considered as Alpha.
Copyright
Some part of this library uses codes from following software.
ppmd-cffi Copyright (C) 2020-2021 Hiroshi Miura
pyzstd Copyright (C) 2020-2021 Ma Lin
7-Zip Copyright (C) 1999-2017 Igor Pavlov
License
Copyright (C) 2020-2021 Hiroshi Miura
Copyright (C) 2020-2021 Ma Lin
Copyright (C) 1999-2017 Igor Pavlov
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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