setup python environment: python2.7.5,easy_install, pip, virtualenv, ipython.#curl https://gist.githubusercontent.com/webee/6581853/raw/pyenv.sh |sudo sh

pyenv.sh

#!/bin/sh
#curl https://gist.githubusercontent.com/webee/6581853/raw/pyenv.sh |sudo sh
#set -x
#resource url.
#check root.
root=$(whoami)
if [ "$root" != "root" ];then
    echo "need root privilege."
    exit 1
fi

PY_VER=2.7.6
PY_DIR=Python-${PY_VER}

PY_PROFILE_URL=https://gist.githubusercontent.com/webee/6582040/raw/python.sh
PY_PROFILE=/etc/profile.d/python.sh

PY_SRC_URL=http://www.python.org/ftp/python/${PY_VER}/${PY_DIR}.tar.bz2
PY_SETUPTOOLS_URL=https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py

#download resources.
function download_resources() {
    cd $PY_ROOT
    mkdir -p src
    cd src
    wget $PY_SRC_URL
}

#extract resources.
function extract_resources() {
    cd ${PY_ROOT}
    mkdir -p xsrc
    cd xsrc
    tar xf ${PY_SRC}/${PY_DIR}.tar.bz2
}

#install python
function install_python() {
    cd ${PY_DIR}
    ./configure --prefix=${PY_ROOT}/${PY_DIR}
    make
    make install
    cd ${PY_ROOT}
    ln -s ${PY_DIR} default
}

#install setuptools
function install_setuptools() {
    wget ${PY_SETUPTOOLS_URL} -O -|${PY_HOME}/bin/python
}

#install pip
function install_pip() {
    $PY_HOME/bin/easy_install pip
}

#install virtualenv
function install_virtualenv() {
    #repo: http://e.pypi.python.org/
    $PY_HOME/bin/pip install virtualenv -i http://pypi.v2ex.com/simple
}

#do
curl $PY_PROFILE_URL >$PY_PROFILE
source $PY_PROFILE
mkdir -p $PY_ROOT

download_resources
extract_resources
install_python
install_setuptools
install_pip
install_virtualenv
setup_pyenv $PY_DEFAULT_ENV

#active default pyenv
pyenv

#install essential tools/libs.
pipinstall ipython
#pipinstall numpy
#pipinstall Cython