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gh-123471: Make concurrent iteration over itertools.accumulate thread-safe #144486

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Merged
kumaraditya303 merged 8 commits into from
Mar 16, 2026
Merged

gh-123471: Make concurrent iteration over itertools.accumulate thread-safe #144486

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e77b639
Make accumulate thread-safe
eendebakpt Feb 3, 2026
2621b88
add ft test for accumulate
eendebakpt Feb 4, 2026
bd4fa04
reduce test duration
eendebakpt Feb 4, 2026
124450b
📜🤖 Added by blurb_it.
blurb-it[bot] Feb 4, 2026
2511892
📜🤖 Added by blurb_it.
blurb-it[bot] Feb 5, 2026
06fef05
Delete Misc/NEWS.d/next/Library/2026-02-05-20-40-20.gh-issue-123471.U…
eendebakpt Feb 5, 2026
eea0675
Merge branch 'main' into accumulate_ft_v2
eendebakpt Feb 23, 2026
aa9991d
Merge branch 'main' into accumulate_ft_v2
kumaraditya303 Mar 16, 2026
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reduce test duration
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@eendebakpt
eendebakpt committed Feb 4, 2026
commit bd4fa041e85aa403eb9c2b3f4fec9fc1c3e56860
2 changes: 1 addition & 1 deletion Lib/test/test_free_threading/test_itertools.py
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Expand Up @@ -20,7 +20,7 @@ class ItertoolsThreading(unittest.TestCase):
def test_accumulate(self):
number_of_iterations = 10
for _ in range(number_of_iterations):
it = accumulate(tuple(range(500)))
it = accumulate(tuple(range(40)))
threading_helper.run_concurrently(work_iterator, nthreads=10, args=[it])

@threading_helper.reap_threads
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