libraries/pysendfile: Added (Interface to sendfile syscall).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
This commit is contained in:
Dimitris Zlatanidis 2014-02-06 19:20:31 +07:00 committed by Erik Hanson
parent 117fbc6af0
commit 5f72ac5229
4 changed files with 128 additions and 0 deletions

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A Python interface to sendfile(2) syscall.
sendfile(2) is a system call which provides a "zero-copy" way of copying data
from one file descriptor to another (a socket).
The phrase "zero-copy" refers to the fact that all of the copying of data
between the two descriptors is done entirely by the kernel, with no
copying of data into userspace buffers. This is particularly useful
when sending a file over a socket (e.g. FTP).

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#!/bin/sh
# Slackware build script for pysendfile
# 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=pysendfile
VERSION=${VERSION:-2.0.0}
BUILD=${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.gz
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
if $(python3 -c 'import sys' 2>/dev/null); then
python3 setup.py install --root=$PKG
fi
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 HISTORY LICENSE $PKG/usr/doc/$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}

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PRGNAM="pysendfile"
VERSION="2.0.0"
HOMEPAGE="http://code.google.com/p/pysendfile/"
DOWNLOAD="http://pysendfile.googlecode.com/files/pysendfile-2.0.0.tar.gz"
MD5SUM="bd8d96b64e7c5c5b91ea2a6659aa82a3"
DOWNLOAD_x86_64=""
MD5SUM_x86_64=""
REQUIRES=""
MAINTAINER="Dimitris Zlatanidis"
EMAIL="d.zlatanidis@gmail.com"

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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------------------------------------------------------|
pysendfile: pysendfile (A Python interface to sendfile(2) syscall)
pysendfile:
pysendfile: sendfile(2) is a system call which provides a "zero-copy" way of
pysendfile: copying data from one file descriptor to another (a socket).
pysendfile:
pysendfile: Homepage: http://code.google.com/p/pysendfile/
pysendfile:
pysendfile:
pysendfile:
pysendfile:
pysendfile: