paveldedik

# The use_env call below is a reusable command to activate/create a new Python
# virtualenv, requiring only a single declarative line of code in your .env files.
# It only performs an action if the requested virtualenv is not the current one.
use_env() {
  typeset venv
  venv="$1"
  if [[ "${VIRTUAL_ENV##*/}" != "$venv" ]]; then
    if workon | grep -q "$venv"; then
      workon "$venv"
    else