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Title: [3.14] gh-123471: Free-threading fixes for itertools (GH-131212) (GH-132814) (GH-135689) (GH-144402) (GH-146033) (GH-142957) by nascheme · Pull Request #153791 · python/cpython · GitHub

Open Graph Title: [3.14] gh-123471: Free-threading fixes for itertools (GH-131212) (GH-132814) (GH-135689) (GH-144402) (GH-146033) (GH-142957) by nascheme · Pull Request #153791 · python/cpython

X Title: [3.14] gh-123471: Free-threading fixes for itertools (GH-131212) (GH-132814) (GH-135689) (GH-144402) (GH-146033) (GH-142957) by nascheme · Pull Request #153791 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: This is a combined backport of a number of fixes to the itertools module. These PRs have already been backported to 3.15. Issue: Make concurrent iteration over pairwise, combinations, permutatio...

X Description: This is a combined backport of a number of fixes to the itertools module. These PRs have already been backported to 3.15. Issue: Make concurrent iteration over pairwise, combinations, permutatio...

Opengraph URL: https://github.com/python/cpython/pull/153791

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[3.14] gh-123471: Free-threading fixes for itertools (GH-131212) (GH-132814) (GH-135689) (GH-144402) (GH-146033) (GH-142957)https://github.com/python/cpython/pull/153791/commits#top
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[3.14] gh-123471: make concurrent iteration over `itertools.cycle` safe under free-threading (#131212)https://github.com/python/cpython/pull/153791/commits/0af6ff789e5acc4ab83bb8db75270711357fbb87
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[3.14] gh-123471: Make itertools.product and itertools.combinations thread-safe (GH-132814)https://github.com/python/cpython/pull/153791/commits/42009b60e44164ebc1f1b282f5ab377ae1019036
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[3.14] gh-123471: Make itertools.chain thread-safe (#135689)https://github.com/python/cpython/pull/153791/commits/15c880e2c422797b58b2c1d563cb603611e610a9
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[3.14] gh-123471: Make concurrent iteration over `itertools.permutations` and `itertools.combinations_with_replacement` thread-safe (gh-144402)https://github.com/python/cpython/pull/153791/commits/98af9225dd6d49f0450544e6e09ee56fbc9e9153
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[3.14] gh-123471: make concurrent iteration over itertools.accumulate thread-safe (#144486)https://github.com/python/cpython/pull/153791/commits/c1708a9c6ab55139844d3928448b7b21a4ecfb46
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[3.14] gh-123471: Make `itertools.zip_longest` safe in the FT build (#146033)https://github.com/python/cpython/pull/153791/commits/6935fd134768b2d7676cd7820688da0161e54674
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