pickletester.py 文件源码

python
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项目:zippy 作者: securesystemslab 项目源码 文件源码
def test_priming_unpickler_memo(self):
        # Verify that we can set the Unpickler's memo attribute.
        data = ["abcdefg", "abcdefg", 44]
        f = io.BytesIO()
        pickler = self.pickler_class(f)

        pickler.dump(data)
        first_pickled = f.getvalue()

        f = io.BytesIO()
        primed = self.pickler_class(f)
        primed.memo = pickler.memo

        primed.dump(data)
        primed_pickled = f.getvalue()

        unpickler = self.unpickler_class(io.BytesIO(first_pickled))
        unpickled_data1 = unpickler.load()

        self.assertEqual(unpickled_data1, data)

        primed = self.unpickler_class(io.BytesIO(primed_pickled))
        primed.memo = unpickler.memo
        unpickled_data2 = primed.load()

        primed.memo.clear()

        self.assertEqual(unpickled_data2, data)
        self.assertTrue(unpickled_data2 is unpickled_data1)
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