.bashrc

# other stuff here
# derivative of https://github.com/lojikil/dotfiles/blob/master/.bashrc#L33

# create virtualenv management functions
function venv-activate() {
    # always activate a local venv if available
    if [ -d "$(pwd)/venv" ]
    then
        echo "local virtualenv activated (venv)."
        # ...but warn if a global venv by the given name exists
        if [ "$1" != "" -a -d "$HOME/.venv/$1" ]
        then
            echo "existing global virtualenv ignored ($1)."
        fi
        source "$(pwd)/venv/bin/activate"
    elif [ "$1" != "" -a -d "$HOME/.venv/$1" ]
    then
        echo "virtualenv activated ($1)."
        source "$HOME/.venv/$1/bin/activate"
    else
        echo "invalid virtualenv ($1)."
    fi
}

function venv-create() {
    # only create global venvs
    if [ "$1" != "" -a ! -d "$HOME/.venv/$1" ]
    then
        # create a venv using a specific python version
        if [ "$2" != "" ]
        then
            virtualenv -p "$2" "$HOME/.venv/$1" || echo "virtualenv creation failed."; return
        else
            virtualenv "$HOME/.venv/$1"
        fi
        echo "virtualenv created ($1)."
        source "$HOME/.venv/$1/bin/activate"
    else
        echo "virtualenv already exists ($1)."
    fi
}

function venv-list() {
    if [ -d "$(pwd)/venv" ]
    then
        echo "venv (local)"
    fi
    ls "$HOME/.venv/"
}