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bpo-40280: Address more test failures on Emscripten (GH-31050) by tiran · Pull Request #31050 · python/cpython · GitHub
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bpo-40280: Address more test failures on Emscripten (GH-31050) - #31050

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tiran merged 9 commits into
python:mainfrom
tiran:bpo-40280-more-test-fixes
Feb 5, 2022
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bpo-40280: Address more test failures on Emscripten (GH-31050)#31050
tiran merged 9 commits into
python:mainfrom
tiran:bpo-40280-more-test-fixes

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@tiran

@tiran tiran commented Feb 1, 2022 •
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Fix wasm32-emscripten test failures and platform issues.

  • Disable syscalls that are not supported or don't work, e.g.
    wait, getrusage, prlimit, mkfifo, mknod, setres[gu]id, setgroups.
  • Use fd_count to cound open fds.
  • Add more checks for subprocess and fork.
  • Add workarounds for missing _multiprocessing and failing socket.accept()
  • Enable bzip2 again
  • Disable large file support
  • Disable signal.alarm for now

https://bugs.python.org/issue40280

@tiran
tiran marked this pull request as ready for review February 1, 2022 14:14
@tiran
tiran force-pushed the bpo-40280-more-test-fixes branch from e9d6e24 to b34c808 Compare February 1, 2022 16:02
@brettcannon
brettcannon self-requested a review February 1, 2022 19:17
brettcannon
brettcannon approved these changes Feb 4, 2022
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Most of the comments are about recording the known bugs in emscripten and musl so we can easily track when they are fixed.

Comment thread Lib/test/support/__init__.py Outdated
Comment thread Lib/test/test_os.py Outdated
Comment thread Lib/test/test_pwd.py Outdated
Comment thread Misc/NEWS.d/next/Build/2022-01-31-15-15-08.bpo-40280.r1AYNW.rst Outdated
Comment thread Tools/wasm/README.md Outdated
Comment thread Tools/wasm/README.md Outdated

@brettcannon brettcannon Feb 4, 2022

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Link to the bugs?

Comment thread Tools/wasm/README.md Outdated

@brettcannon brettcannon Feb 4, 2022

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Link to the bug?

@tiran tiran Feb 5, 2022

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I have added links to bpo and emscripten bug tracker.

Comment thread Tools/wasm/README.md Outdated
Comment thread Tools/wasm/README.md Outdated
Comment thread Tools/wasm/README.md Outdated
@tiran
tiran force-pushed the bpo-40280-more-test-fixes branch from c00edf3 to 5f29e63 Compare February 5, 2022 16:32
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tiran commented Feb 5, 2022

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Thanks for the review!

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tiran commented Feb 5, 2022

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The failing Windows test is covered by GH-31146

@tiran tiran changed the title bpo-40280: Address more test failures on Emscripten bpo-40280: Address more test failures on Emscripten (GH-31050) Feb 5, 2022
@tiran
tiran merged commit 96b344c into python:main Feb 5, 2022
@tiran
tiran deleted the bpo-40280-more-test-fixes branch February 5, 2022 19:52
@SimonBiggs SimonBiggs mannequin mentioned this pull request Jun 7, 2022
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@brettcannon brettcannon brettcannon approved these changes
@abalkin abalkin Awaiting requested review from abalkin
@pganssle pganssle Awaiting requested review from pganssle pganssle is a code owner

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@tiran @brettcannon @the-knights-who-say-ni @bedevere-bot