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Title: [3.13] gh-141473: Speed up subprocess test_communicate_timeout_large_input long tail (GH-149003) by miss-islington · Pull Request #149005 · python/cpython · GitHub

Open Graph Title: [3.13] gh-141473: Speed up subprocess test_communicate_timeout_large_input long tail (GH-149003) by miss-islington · Pull Request #149005 · python/cpython

X Title: [3.13] gh-141473: Speed up subprocess test_communicate_timeout_large_input long tail (GH-149003) by miss-islington · Pull Request #149005 · python/cpython

Description: gh-141473: Speed up test_communicate_timeout_large_input Replace the slow reader's 30s sleep with a parent-driven wake over a loopback socket so post-timeout communicate() doesn't block waiting for the child to wake on its own. Worst-case runtime: ~30s -> <1s. (cherry picked from commit e1384cf) Co-authored-by: Gregory P. Smith 68491+gpshead@users.noreply.github.com

Open Graph Description: gh-141473: Speed up test_communicate_timeout_large_input Replace the slow reader's 30s sleep with a parent-driven wake over a loopback socket so post-timeout communicate() doesn't block wai...

X Description: gh-141473: Speed up test_communicate_timeout_large_input Replace the slow reader&#39;s 30s sleep with a parent-driven wake over a loopback socket so post-timeout communicate() doesn&#39;t b...

Opengraph URL: https://github.com/python/cpython/pull/149005

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[3.13] gh-141473: Speed up subprocess test_communicate_timeout_large_input long tail (GH-149003) https://github.com/python/cpython/pull/149005/files#top
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70fd743 gh-141473: Speed up subprocess test_communicate_timeout_large_input l… gpshead Apr 26, 2026 https://github.com/python/cpython/pull/149005/commits/70fd7436c6582defdd046d49eff0b614f0a5b4ff
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