# Pastebin RN82ya5s
import os
import sys
bitbakelibs = os.path.join(os.path.dirname(os.environ["BBPATH"]),
                           "meta", "poky", "bitbake", "lib")
sys.path.append(bitbakelibs)
import bb.tinfoil

with bb.tinfoil.Tinfoil() as bbhandler:
    bbhandler.prepare(config_only=False, quiet=3)
    datastore = bbhandler.parse_recipe(sys.argv[1])
    print("Definition:", datastore.getVar(sys.argv[2], False))
    print("Result:    ", datastore.getVar(sys.argv[2], True))