SUMMARY = "a"
DESCRIPTION = "b"
LICENSE = "CLOSED"
MYVAR = "c"

python do_myfunc() {
    bb.warn("myfunc start")
    bb.warn("before SUMMARY=%s" % (d.getVar("SUMMARY")))
    bb.warn("before DESCRIPTION=%s" % (d.getVar("DESCRIPTION")))
    bb.warn("before MYVAR=%s" % (d.getVar("MYVAR")))
    d.setVar("SUMMARY", "pouet")
    d.setVar("DESCRIPTION", "pouet")
    d.setVar("MYVAR", "pouet")
    bb.warn("after SUMMARY=%s" % (d.getVar("SUMMARY")))
    bb.warn("after DESCRIPTION=%s" % (d.getVar("DESCRIPTION")))
    bb.warn("after MYVAR=%s" % (d.getVar("MYVAR")))
    bb.warn("myfunc end")
}

python do_myfunc2() {
    bb.warn("myfunc2 start")
    bb.warn("SUMMARY=%s" % (d.getVar("SUMMARY")))
    bb.warn("DESCRIPTION=%s" % (d.getVar("DESCRIPTION")))
    bb.warn("MYVAR=%s" % (d.getVar("MYVAR")))
    bb.warn("myfunc2 end")
}

addtask myfunc after do_unpack before do_build
addtask myfunc2 after do_myfunc before do_build

BB_DONT_CACHE = "1"