direnvrc for pyenv and nvm

.direnvrc

use_python() {
    if [ -n "$(which pyenv)" ]; then
        local pyversion=$1
        pyenv local ${pyversion}
    fi
}

layout_virtualenv() {
  local venv_path="$1"
  source ${venv_path}/bin/activate
}

layout_virtualenvwrapper() {
  local venv_path="${WORKON_HOME}/$1"
  layout_virtualenv $venv_path
}

use_nvm() {
  local node_version=$1

  nvm_sh=~/.nvm/nvm.sh
  if [[ -e $nvm_sh ]]; then
    source $nvm_sh
    nvm use $node_version
  fi
}

.envrc

use python 3.8.5
layout virtualenvwrapper direnv-example
unset PS1
use nvm v12.18.3