python/threadpool: Added (object-oriented thread pool framework).

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

python/threadpool/README

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+A thread pool is an object that maintains a pool of worker threads to
+perform time consuming operations in parallel. It assigns jobs to the
+threads by putting them in a work request queue, where they are picked
+up by the next available thread. This then performs the requested
+operation in the background and puts the results in another queue.
+
+The thread pool object can then collect the results from all threads
+from this queue as soon as they become available or after all threads
+have finished their work. It's then possible to define callbacks to
+handle each result as it comes in.
+
+NOTE: This module is regarded as an extended example, not as a
+finished product. Feel free to adapt it too your needs.

python/threadpool/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------------------------------------------------------|
+threadpool: threadpool (Easy to use object-oriented thread pool framework)
+threadpool:
+threadpool: A thread pool is an object that maintains a pool of worker threads to
+threadpool: perform time consuming operations in parallel. It assigns jobs to the
+threadpool: threads by putting them in a work request queue, where they are picked
+threadpool: up by the next available thread. This then performs the requested
+threadpool: operation in the background and puts the results in another queue.
+threadpool:
+threadpool: homepage : http://chrisarndt.de/projects/threadpool/
+threadpool:
+threadpool:

python/threadpool/threadpool.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for threadpool
+
+# Copyright 2014 Dimitris Zlatanidis Greece-Orestiada
+# 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.
+
+PRGNAM=threadpool
+VERSION=${VERSION:-1.2.7}
+BUILD=${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=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e 
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
+cd $PRGNAM-$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 {} \;
+ 
+python setup.py install --root=$PKG
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a README.txt PKG-INFO CHANGELOG.txt $PKG/usr/doc/$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/threadpool/threadpool.info

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+PRGNAM="threadpool"
+VERSION="1.2.7"
+HOMEPAGE="http://chrisarndt.de/projects/threadpool/"
+DOWNLOAD="http://chrisarndt.de/projects/threadpool/download/threadpool-1.2.7.tar.bz2"
+MD5SUM="e1d5a4f73440ed701dfd0b3eb0d9c1ca"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="%README%"
+MAINTAINER="Dimitris Zlatanidis"
+EMAIL="d.zlatanidis@gmail.com"