python/python3-sympy: Added (library for symbolic mathematics).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

python/python3-sympy/README

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+SymPy is a Python library for symbolic mathematics. It aims to become
+a full-featured computer algebra system (CAS) while keeping the
+code as simple as possible in order to be comprehensible and easily
+extensible. SymPy is written entirely in Python and does not require
+any external libraries.
+
+SymPy has several optional dependencies which enhance its functionality
+or make it faster. Here are those available at SlackBuilds.org:
+numpy3, scipy3, python3-matplotlib, python3-ipython and python3-Cython.
+
+This is the python3 version of SymPy. For the python2 version use the
+sympy package.

python/python3-sympy/python3-sympy.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for python3-sympy
+
+# Copyright 2019 Serban Udrea <s.udrea@gsi.de>
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification,
+# is permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# Written by Grissiom <chaos.proton@gmail.com>
+# Updated for 0.6.7 by João Felipe Santos <joao.eel@gmail.com>
+# Updated for 0.7.3 and 0.7.6 by Willy Sudiarto Raharjo <willysr@slackbuilds.org>
+# Updated for 0.7.1, 0.7.5 and 1.3 by Serban Udrea <S.Udrea@gsi.de>
+# Adapted for python3 and updated for 1.4 by Alexander Verbovetsky <alik@ejik.org>
+
+PRGNAM=python3-sympy
+SRCNAM=sympy
+VERSION=${VERSION:-1.4}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $SRCNAM-$VERSION
+tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
+cd $SRCNAM-$VERSION
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+find ./ -type f -name '*.py' -exec \
+  sed -i -e 's|#!/usr/bin/python\>|#!/usr/bin/python3|' \
+  -e 's|#!/usr/bin/env python\>|#!/usr/bin/env python3|' {} \;
+
+python3 setup.py install --root=$PKG
+
+mv  $PKG/usr/share/man $PKG/usr/man
+rmdir $PKG/usr/share
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  AUTHORS LICENSE PKG-INFO README.rst \
+  $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

python/python3-sympy/python3-sympy.info

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+PRGNAM="python3-sympy"
+VERSION="1.4"
+HOMEPAGE="https://sympy.org"
+DOWNLOAD="https://github.com/sympy/sympy/releases/download/sympy-1.4/sympy-1.4.tar.gz"
+MD5SUM="478072d75b564c9356990e3027d464e6"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="python3-mpmath"
+MAINTAINER="Serban Udrea"
+EMAIL="S.Udrea@gsi.de"

python/python3-sympy/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+             |-----handy-ruler------------------------------------------------------|
+python3-sympy: python3-sympy (Python library for symbolic mathematics)
+python3-sympy:
+python3-sympy: SymPy aims to become a full-featured computer algebra system (CAS)
+python3-sympy: while keeping the code as simple as possible in order to be
+python3-sympy: comprehensible and easily extensible. SymPy is written entirely in
+python3-sympy: Python and does not require any external libraries.
+python3-sympy:
+python3-sympy: Homepage: https://sympy.org
+python3-sympy:
+python3-sympy:
+python3-sympy: