python () {
    import os, bb
    if os.path.exists("${STAGING_KERNEL_DIR}/kernelpackage.version"):
        file = open("${STAGING_KERNEL_DIR}/kernelpackage.version","r")
        bb.data.setVar("PV", file.readline(), d)
        bb.data.setVar("PR", file.readline(), d)
        bb.data.setVar("KERNEL_VERSION", file.readline(), d)
        file.close()
}