Script to install python 2.7 to a local location together with virtualenv

install_python.sh

#/bin/bash

# Get installation prefix from the args
PREFIX=$HOME # Default to home
if [ -n "$1" ]; then
    PREFIX=$1
    if [ ! -d "$PREFIX" ]; then
        mkdir $PREFIX
    fi
    PREFIX=`cd $PREFIX; pwd` # Convert to absolute path
fi 
echo "Installing python to $PREFIX"
ACTIVATE_SCRIPT="$PREFIX/activate.sh"
touch $ACTIVATE_SCRIPT
chmod +x $ACTIVATE_SCRIPT

TEMP_DIR=`mktemp -d /tmp/python_install.XXXXXXXX`
echo "Creating a temporary directory $TEMP_DIR"

cd $TEMP_DIR

# This is needed to have Tkinter package in python -- at least a primitive
# GUI backend matplotlib could use
echo "Installing tcl/tk"
wget http://prdownloads.sourceforge.net/tcl/tcl8.6.0-src.tar.gz
wget http://prdownloads.sourceforge.net/tcl/tk8.6.0-src.tar.gz
tar xvf tcl8.6.0-src.tar.gz
tar xvf tk8.6.0-src.tar.gz

echo "Installing tcl"
cd $TEMP_DIR/tcl8.6.0/unix
./configure --prefix="$PREFIX" --exec-prefix="$PREFIX"
make install 

echo "Installing tk"
cd $TEMP_DIR/tk8.6.0/unix
./configure --prefix="$PREFIX" --exec-prefix="$PREFIX"
make install 

cd $TEMP_DIR
echo "export LD_LIBRARY_PATH=$PREFIX/lib:$LD_LIBRARY_PATH" >> $ACTIVATE_SCRIPT
source $ACTIVATE_SCRIPT
echo "export LDFLAGS=-L${PREFIX}/lib" >> setup_exports.sh
echo "export CPPFLAGS=-I${PREFIX}/include" >> setup_exports.sh
echo "export CFLAGS=-I${PREFIX}/include" >> setup_exports.sh

source setup_exports.sh

# Install python
wget http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz
tar xvf Python-2.7.3.tgz
cd Python-2.7.3
./configure
make altinstall prefix="$PREFIX" exec-prefix="$PREFIX"

if [ ! -f $PREFIX/bin/python ]; then
    ln -s $PREFIX/bin/python2.7 $PREFIX/bin/python 
fi
# Create activate script
echo "export PATH=$PREFIX/bin:\$PATH" >> $ACTIVATE_SCRIPT
echo "export PYTHONPATH=$PREFIX/lib/python2.7/site-packages/:\$PYTHONPATH" >> $ACTIVATE_SCRIPT

# Activate the environment here as well
source $ACTIVATE_SCRIPT

# Download and install setuptools
wget --no-check-certificate  https://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11-py2.7.egg#md5=fe1f997bc722265116870bc7919059ea
sh ./setuptools-0.6c11-py2.7.egg

# Install virtualenv and its wrapper
easy_install-2.7 virtualenv virtualenvwrapper

echo "source $PREFIX/bin/virtualenvwrapper.sh" >> $ACTIVATE_SCRIPT

# Cleanup
rm -rf $TEMP_DIR