diskimage-builder/elements/dib-python/environment.d/50-dib-python-version

# Pick which distros we need to force python2
if [ -z "${DIB_PYTHON_VERSION:-}" ]; then
    if [ "$DISTRO_NAME" == "ubuntu" ]; then
        if [ "$DIB_RELEASE" == "precise" ]; then
            DIB_PYTHON_VERSION=2
        elif [ "$DIB_RELEASE" == "trusty" ]; then
            DIB_PYTHON_VERSION=2
        fi
    elif [ "$DISTRO_NAME" == "debian" ]; then
        DIB_PYTHON_VERSION=2
    elif [ "$DISTRO_NAME" == "fedora" ]; then
        if [ "$DIB_RELEASE" -le 22 ]; then
            DIB_PYTHON_VERSION=2
        fi
    elif [ "$DISTRO_NAME" == "centos" ]; then
        DIB_PYTHON_VERSION=2
    elif [ "$DISTRO_NAME" == "centos7" ]; then
        DIB_PYTHON_VERSION=2
    elif [ "$DISTRO_NAME" == "opensuse" ]; then
        DIB_PYTHON_VERSION=2
    fi
fi

if [ -z "${DIB_PYTHON_VERSION:-}" ]; then
    DIB_PYTHON_VERSION=3
fi

export DIB_PYTHON_VERSION