(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('DRIVER_BIN', {[DQ [ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub 0]]})]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('TOOLNAME', {[DQ [ComSub (Com {[LIT_CHARS basename]} {[DQ [VarSub 0]]})]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PYDIR', {[DQ [VarSub DRIVER_BIN][LIT_CHARS /pydir]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PNACLPYTHON', {[DQ [VarSub PNACLPYTHON test_op=VS_TEST_COLON_HYPHEN {[LIT_CHARS python]}]]})])
  (Com {[VarSub PNACLPYTHON]} {[DQ [VarSub PYDIR][LIT_CHARS /loader.py]]} {[DQ [VarSub TOOLNAME]]} {[DQ [VarSub @]]})
)