python read_subpackage_metadata () {
    import oe.packagedata

    data = oe.packagedata.read_pkgdata(d.getVar('PN', True), d)

    for key in data.keys():
        d.setVar(key, data[key])

    for pkg in d.getVar('PACKAGES', True).split():
        sdata = oe.packagedata.read_subpkgdata(pkg, d)
        for key in sdata.keys():
            d.setVar(key, sdata[key])
}
