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Description:
ppmdcffi 0.5.0
PPM(Prediction by partial matching) is a compression algorithm which has several variations of implementations.
PPMd is the implementation by Dmitry Shkarin. It is used in the RAR and by 7-Zip as one of several possible methods.
ppmd-cffi is a python bindings with PPMd implementation by C language.
The C codes are derived from p7zip, portable 7-zip implementation.
ppmd-cffi supports PPMd var.H and PPMd var.I.
PyPPMd is a brother project that use python buffer protocol for interface.
It supports PPMd var.H, and PPMd var. I on posix platforms(mac and linux).
It supports CPython and PyPy.
Manuals
You can find a manual at the readthedocs
Installation
As usual, you can install ppmd-cffi using python standard pip command.
pip install ppmd-cffi
Command
ppmd-cffi provide small utility compress/decompress files.
$ ppmd target.txt
$ ppmd -x target.txt.ppmd
License
Copyright (C) 2020,2021 Hiroshi Miura
7-Zip Copyright (C) 1999-2010 Igor Pavlov
LZMA SDK Copyright (C) 1999-2010 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
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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