pickletester.py 文件源码

def test_bad_stack(self):
        badpickles = [
            b'.',                       # STOP
            b'0',                       # POP
            b'1',                       # POP_MARK
            b'2',                       # DUP
            # b'(2',                    # PyUnpickler doesn't raise
            b'R',                       # REDUCE
            b')R',
            b'a',                       # APPEND
            b'Na',
            b'b',                       # BUILD
            b'Nb',
            b'd',                       # DICT
            b'e',                       # APPENDS
            # b'(e',                    # PyUnpickler raises AttributeError
            b'ibuiltins\nlist\n',       # INST
            b'l',                       # LIST
            b'o',                       # OBJ
            b'(o',
            b'p1\n',                    # PUT
            b'q\x00',                   # BINPUT
            b'r\x00\x00\x00\x00',       # LONG_BINPUT
            b's',                       # SETITEM
            b'Ns',
            b'NNs',
            b't',                       # TUPLE
            b'u',                       # SETITEMS
            # b'(u',                    # PyUnpickler doesn't raise
            b'}(Nu',
            b'\x81',                    # NEWOBJ
            b')\x81',
            b'\x85',                    # TUPLE1
            b'\x86',                    # TUPLE2
            b'N\x86',
            b'\x87',                    # TUPLE3
            b'N\x87',
            b'NN\x87',
            b'\x90',                    # ADDITEMS
            # b'(\x90',                 # PyUnpickler raises AttributeError
            b'\x91',                    # FROZENSET
            b'\x92',                    # NEWOBJ_EX
            b')}\x92',
            b'\x93',                    # STACK_GLOBAL
            b'Vlist\n\x93',
            b'\x94',                    # MEMOIZE
        ]
        for p in badpickles:
            self.check_unpickling_error(self.bad_stack_errors, p)