ZSH Activate/Deactive Virtual Environment

gistfile1.txt

venv () {
    if ((${+VIRTUAL_ENV})); then
        echo "Deactivating Virtual Environment: $VIRTUAL_ENV"
        deactivate
    else
        VENV_PATH=${PWD:gs/\/home\/ckabalan\//\/home\/ckabalan\/.virtualenv\//}
        ACTIVATE_PATH=$VENV_PATH/bin/activate
        if [[ -e $ACTIVATE_PATH ]]; then
            echo "Activating Virtual Environment: $VENV_PATH"
            source $ACTIVATE_PATH
        else
            echo "Virtual Environment Does Not Exist At: $VENV_PATH"
        fi
    fi
    unset REL_PATH
    unset VENV_PATH
    unset ACTIVATE_PATH
}