PV = "${@bb.parse.BBHandler.vars_from_file(bb.data.getVar('FILE',d),d)[1] or '1.0'}"
PR = "${@bb.parse.BBHandler.vars_from_file(bb.data.getVar('FILE',d),d)[2] or 'r0'}"
PF = "${PN}-${EXTENDPE}${PV}-${PR}"
-EXTENDPE = "${@['','${PE\x7d_'][bb.data.getVar('PE',d,1) > 0]}"
-EXTENDPEVER = "${@['','${PE\x7d:'][bb.data.getVar('PE',d,1) > 0]}"
+PE ?= "0"
+EXTENDPE = "${@int('${PE}') and '${PE}_' or ''}"
+EXTENDPEVER = "${@int('${PE}') and '${PE}:' or ''}"
EXTENDPV = "${EXTENDPEVER}${PV}-${PR}${DISTRO_PR}"
P = "${PN}-${PV}"