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[3.9] bpo-41052: Opt out serialization/deserialization for _random.Random (GH-21002). (GH-21030)

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(cherry picked from commit 6989af0bc7)

Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
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Dong-hee Na 2020-06-21 19:33:06 +09:00 • committed by GitHub
parent 71bb921829
commit 814b07bf81
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4 changed files with 47 additions and 1 deletions
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10
Lib/test/test_random.py
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@ -5,6 +5,8 @@ import os
import time
import pickle
import warnings
import test.support
from functools import partial
from math import log, exp, pi, fsum, sin, factorial
from test import support
@ -372,6 +374,14 @@ class TestBasicOps:
restoredseq = [newgen.random() for i in range(10)]
self.assertEqual(origseq, restoredseq)
@test.support.cpython_only
def test_bug_41052(self):
# _random.Random should not be allowed to serialization
import _random
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
r = _random.Random()
self.assertRaises(TypeError, pickle.dumps, r, proto)
def test_bug_1727780(self):
# verify that version-2-pickles can be loaded
# fine, whether they are created on 32-bit or 64-bit