dotfiles/.config/zsh/plugins/autopyenv/autopyenv.zsh

# vim:set ft=zsh
pydirs="${PYENVS_DIR:-$XDG_DATA_HOME/virtualenv}"
function chpwd_activate(){
    [[ "$(pwd)" == "/" ]] && return 0
    for pydir in $(ls $pydirs); do
            if [[ "$(pwd | sed -e 's|/|~|g' | cut -c2-)" =~ "^${pydir}$" ]] || [[ "r-$(pwd | sed -e 's|/|~|g' | cut -c2-)" =~ "^${pydir}(~.+)?$" ]]; then
            if [ "x$VIRTUAL_ENV" != "x$pydirs/$pydir" ]; then
                source "$pydirs/$pydir/bin/activate"
            fi
            return
        fi
    done
    if [ "x$VIRTUAL_ENV" != "x" ]; then
      deactivate
    fi
}

function venv(){
    [[ "$(pwd)" == "/" ]] && echo "Cannot create venv at root" && return 1
    [[ "$(pwd)" != "/" ]] && envdir=$(pwd | sed -e 's|/|~|g' | cut -c2-)
    [[ "$1" == "-r" ]] && envdir="r-$envdir" # create a venv that will be activated for all subdirectories as well
    if [ ! -e "$pydirs/${envdir}" ]; then
        echo "Creating python venv for ${envdir}.."
        mkdir "$pydirs" -p
        python3 -m venv "$pydirs/${envdir}"
        echo "Activating virtual env ${envdir}"
        source "$pydirs/${envdir}/bin/activate"
    else
        echo "A venv for this path already exists"
    fi
}

autoload -U add-zsh-hook
add-zsh-hook chpwd chpwd_activate