pickletester.py 文件源码

def test_compat_unpickle(self):
        # xrange(1, 7)
        pickled = b'\x80\x02c__builtin__\nxrange\nK\x01K\x07K\x01\x87R.'
        unpickled = self.loads(pickled)
        self.assertIs(type(unpickled), range)
        self.assertEqual(unpickled, range(1, 7))
        self.assertEqual(list(unpickled), [1, 2, 3, 4, 5, 6])
        # reduce
        pickled = b'\x80\x02c__builtin__\nreduce\n.'
        self.assertIs(self.loads(pickled), functools.reduce)
        # whichdb.whichdb
        pickled = b'\x80\x02cwhichdb\nwhichdb\n.'
        self.assertIs(self.loads(pickled), dbm.whichdb)
        # Exception(), StandardError()
        for name in (b'Exception', b'StandardError'):
            pickled = (b'\x80\x02cexceptions\n' + name + b'\nU\x03ugh\x85R.')
            unpickled = self.loads(pickled)
            self.assertIs(type(unpickled), Exception)
            self.assertEqual(str(unpickled), 'ugh')
        # UserDict.UserDict({1: 2}), UserDict.IterableUserDict({1: 2})
        for name in (b'UserDict', b'IterableUserDict'):
            pickled = (b'\x80\x02(cUserDict\n' + name +
                       b'\no}U\x04data}K\x01K\x02ssb.')
            unpickled = self.loads(pickled)
            self.assertIs(type(unpickled), collections.UserDict)
            self.assertEqual(unpickled, collections.UserDict({1: 2}))