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bpo-37596: Make set and frozenset marshalling deterministic #27926

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Merged
ambv merged 7 commits into from
Aug 25, 2021
Merged

bpo-37596: Make set and frozenset marshalling deterministic #27926

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af19777
Serialize frozenset elements deterministically
brandtbucher Aug 24, 2021
ae38619
Add regression test
brandtbucher Aug 24, 2021
4be57ef
blurb add
brandtbucher Aug 24, 2021
1aff762
Fix comment
brandtbucher Aug 24, 2021
b71204e
Cleanup
brandtbucher Aug 24, 2021
597be1c
More cleanup
brandtbucher Aug 24, 2021
23723cb
Address feedback from PR review
brandtbucher Aug 24, 2021
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Fix comment
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@brandtbucher
brandtbucher committed Aug 24, 2021
commit 1aff762a31e97f3a892108dd03bad9a25689c594
2 changes: 1 addition & 1 deletion Lib/test/test_marshal.py
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Expand Up @@ -351,7 +351,7 @@ def test_deterministic_sets(self):
for kind in ("set", "frozenset"):
script = f"import marshal; print(marshal.dumps({kind}({elements})))"
with self.subTest(kind):
# {nan, b"b", "x", b'a', b'c', 'y', 'z'}
# {nan, b'b', 'x', b'a', b'c', 'y', 'z'}
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_, a, _ = assert_python_ok("-c", script, PYTHONHASHSEED="0")
# {nan, 'x', b'a', 'z', b'b', 'y', b'c'}
_, b, _ = assert_python_ok("-c", script, PYTHONHASHSEED="1")
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