My Python developing environment.

installation_pyenv

# Install pyenv in ~/.pyenv
cd ~
git clone git://github.com/yyuu/pyenv.git .pyenv

echo 'export PYENV_ROOT="${HOME}/.pyenv"' >> ~/.zshrc
echo 'if [ -d "${PYENV_ROOT}" ]; then' >> ~/.zshrc
echo '    export PATH=${PYENV_ROOT}/bin:$PATH' >> ~/.zshrc
echo '    eval "$(pyenv init -)"' >> ~/.zshrc
echo 'fi' >> ~/.zshrc

# Reload user's shell
exec $SHELL -l

# Install virtualenv as a pyenv plugin
cd $PYENV_ROOT/plugins
git clone git://github.com/yyuu/pyenv-virtualenv.git

# Lists available Python versions
pyenv install -l

# Install Python
pyenv install 2.7.3
pyenv install 3.2.3

# Sets the global version of Python to be used in all shells
pyenv gloabl 2.7.3

# Sets a local application-specific Python version
pyenv local 2.7.3

# Lists installed Python versions
pyenv versions

# Current active Python version
pyenv version

# Uninstall Python in pyenv
pyenv uninstall 3.2.3

# Create virtual Python environment "dev01" as a Python 2.7.3
pyenv virtualenv --distribute 2.7.3 dev01

# Sets dev01 environment to directory Python_2.7.3_practice
mkdir Python_2.7.3_practice
cd Python_2.7.3_practice
pyenv local dev01

# Uninstall dev01
pyenv uninstall dev01