[3.7] bpo-13487: Use sys.modules.copy() in inspect.getmodule() for thread safety. (GH-18786)#18788
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miss-islington merged 1 commit intopython:3.7from Mar 5, 2020
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…afety. (pythonGH-18786) `list(sys.modules.items())` was apparently not immune to "dictionary changed size during iteration" errors. Tested internally using an integration test that has run into this a couple of times in the past two years. With this patch applied, the test is no longer flaky. (cherry picked from commit 85cf1d5) Co-authored-by: Gregory P. Smith <[email protected]>
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Assigned to Ned so he can approve this when the 3.7 branch is ready for changes post 3.7.7 release. |
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@gpshead, There's no need to wait, apply away. I carefully cherry-pick what goes into a final release :) |
gpshead
approved these changes
Mar 5, 2020
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@gpshead: Status check is done, and it's a success ✅ . |
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@gpshead: Status check is done, and it's a success ✅ . |
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list(sys.modules.items())was apparently not immune to "dictionarychanged size during iteration" errors.
Tested internally using an integration test that has run into this a couple of times in the past two years. With this patch applied, the test is no longer flaky.
(cherry picked from commit 85cf1d5)
Co-authored-by: Gregory P. Smith [email protected]
https://bugs.python.org/issue13487
Automerge-Triggered-By: @gpshead