Digraph3 Code
A collection of python3 modules for Algorithmic Decision Theory
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#--------------------------------------------------------------------------
# Python3 implementation of the Digraph software
# Current revision Py312
# Copyright (C) 2006-2024 Raymond Bisdorff
#
# This resource 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; either version 2 of the License, or
# (at your option) any later version.
#
# This software 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#-----------------------------------------------------------------------------
This Python3 software resources implement decision aid algorithms useful in the field of
Algorithmic Decision Theory and more specifically
in outranking based Multiple Criteria Decision Aid (MCDA).
**Downloading options**
1. You may download and extract a zip archive eithre, from the github link:
https://github.com/rbisdorff/Digraph3
or, from the sourceforge link:
https://sourceforge.net/projects/digraph3/
2. On a (Unix, Mac OSX) you may also use a git client and either, cloning from github.com:
...$ git clone https://github.com/rbisdorff/Digraph3
or, from sourceforge.net:
...$ git clone https://git.code.sf.net/p/digraph3/code Digraph3
**Installation instructon**
On Linux or Mac OS, ..$ *cd* to the extracted <Digraph3> directory::
../Digraph3$ make installVenv
installs the Digraph3 modules in an activated virtual Python environment (*the official python recommended option*), or in the user's local python3 *site-packages*. Whereas::
../Digraph3$ make install
installs (with *sudo ${PYTHON} setup.py*) the Digraph3 modules system wide in the current running python environment. Python 3.8 (or later) environment is recommended (see the makefile for adapting to your *PYTHON* make constant).
From Python3.10.4 on, the *distutils* package and the direct usage of *setup.py* are deprecated. The instead recommended installation via the *pip* module is provided with::
../Digraph3$ make installPip
This *make* command launches in fact a *${PYTHON} -m pip -v install --upgrade --scr = .* command that installs the Digraph3 modules in the running virtual environment (recommended option) or the user's local *site-packages* directory. A system wide installation is possible with prefixing the *make installPip* command with *sudo*.
If the cython C-compiled modules for Big Data are required, the Cython package must previously be installed in the running Python environment (...$ python3 -m pip install cython, wheel).
**Testing the installation**
.. /Digraph3$ make tests
runs a pytest suite in the ./test directory ( python3 pytest package required ...$ python3 -m pip install pytest )
.. /Digraph3$ make verboseTests
runs a verbose (with stdout not captured) pytest suite
Tutorials and technical documentation of modules, classes and methods are available under the following link:
https://digraph3.readthedocs.io/en/latest/
Enjoy !!
R Bisdorff
http://rbisdorff.github.io/
