Install Python 2.7 on Mac OS

setup-python.sh

#!/bin/sh

#set -e

PYTHON_VERSION=$(brew info python | grep -o "stable 2\.7\.\d" | awk '{print $2}')

function install_python {
    brew install readline sqlite gdbm
    brew install python --universal --framework
}


function config_python {
    FRAMEWORK=/System/Library/Frameworks/Python.framework/Versions
    NEW_FRAMEWORK=/usr/local/Cellar/python/$PYTHON_VERSION/Frameworks/Python.framework/Versions/Current
    
    sudo rm $FRAMEWORK/Current
    sudo ln -s $NEW_FRAMEWORK $FRAMEWORK/Current

    pip install tox
}

function install_pip_virtualenv {
    sudo /usr/local/share/python/easy_install pip
    sudo pip install virtualenv virtualenvwrapper
}

function install_ipython {
    pip install ipython
    export PYTHONPATH=/usr/local/lib/python2.7:$PYTHONPATH
    brew install zmq
    sudo pip install pyzmq
}


install_python
config_python
install_pip_virtualenv
install_ipython