A Little script that installs python 2.7.1 + setuptools + pip + virtualenv on CentOS

install_python.sh

#!/bin/bash

PYTHON_URL=http://python.org/ftp/python/2.7.1/Python-2.7.1.tar.bz2
SETUPTOOLS_URL=http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg#md5=fe1f997bc722265116870bc7919059ea
INSTALL_PREFIX=/home/rcmachado/python

# Abort scripts if some of the comands returns != 0
set -o errexit
# Abort if a variable that isn't defined is used
set -o nounset

TMP_DIR=`mktemp -d`

rollback() {
        echo Cleaning up
        rm -rf $TMP_DIR
}

trap rollback INT TERM EXIT

echo Using $TMP_DIR

cd $TMP_DIR

echo Installing Python

wget -nv $PYTHON_URL -O $TMP_DIR/python.tar.bz2
tar xjf $TMP_DIR/python.tar.bz2
cd Python-*
echo Configuring using $INSTALL_PREFIX prefix
./configure --prefix=$INSTALL_PREFIX
make
make install

PATH=$INSTALL_PREFIX/bin:$PATH

echo Installing setuptools

wget -nv $SETUPTOOLS_URL
bash setuptools-*.egg

echo Installing PIP

easy_install pip

echo Installing virtualenv

pip install virtualenv