pyenv setup

pyenv.sh

# Lang - Python (pyenv)
#
#   $ git clone -C /ws/lang https://github.com/pyenv/pyenv
#   $ # uncomment deb-src sources for python /etc/apt/sources.list
#   $ apt-get update && apt-get build-dep python{2.7,3,3.7}
#   $ pyenv install 2.7.15
#   $ pyenv install 3.7.0
#   $ pyenv versions
#    > * system (set by /ws/lang/pyenv/version)
#    >   2.7.15
#    >   3.7.0
#   ) pyenv global 2.7.15
#   $ pyenv versions
#    >   system
#    > * 2.7.15 (set by /ws/lang/pyenv/version)
#    >   3.7.0
#   $ # add follow env vars to your dot files:
#   $ export PYENV_ROOT="${ONE_WS}/lang/pyenv"
#   $ export PATH="${PATH}:${PYENV_ROOT}/bin"
#   $ # reload shell
#   $ pip install --upgrade pip  # upgrade pip
#   $ # _IMPORTANT_ remove the global system installed virtualenv first if it
#   $ # exists to prevent issues, check with:
#   $ which virtualenv
#    > # SHOULD BE $PYENV_ROOT/shims/virtualenv, e.g.:
#    > /ws/lang/pyenv/shims/virtualenv
#    > # If it looks like the below, remove it with `pip uninstall virtualenv`
#    > /home/cstockton/.local/bin/virtualenv
#   $ # Now reinstall virtualenv with pip install
#   $ pip install virtualenv
#