René's URL Explorer Experiment


Title: [3.12] gh-114763: Protect lazy loading modules from attribute access races (GH-114781) by miss-islington · Pull Request #115870 · python/cpython · GitHub

Open Graph Title: [3.12] gh-114763: Protect lazy loading modules from attribute access races (GH-114781) by miss-islington · Pull Request #115870 · python/cpython

X Title: [3.12] gh-114763: Protect lazy loading modules from attribute access races (GH-114781) by miss-islington · Pull Request #115870 · python/cpython

Description: Setting the class attribute of a lazy-loading module to ModuleType enables other threads to attempt to access attributes before the loading is complete. Now that is protected by a lock. (cherry pic...

Open Graph Description: Setting the class attribute of a lazy-loading module to ModuleType enables other threads to attempt to access attributes before the loading is complete. Now that is protected by a lock. (cherry pic...

X Description: Setting the class attribute of a lazy-loading module to ModuleType enables other threads to attempt to access attributes before the loading is complete. Now that is protected by a lock. (cherry pic...

Mail addresses
effigies@gmail.com

Opengraph URL: https://github.com/python/cpython/pull/115870

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:809c65a4-0758-9cb7-6076-2f641a0b787c
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idB42A:DEE16:36B2E6:4746AF:696ECC17
html-safe-nonced27c8ea9d00090e4809440fe431c56e6190dbf8114652f28c59c6c55b6d17d7a
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCNDJBOkRFRTE2OjM2QjJFNjo0NzQ2QUY6Njk2RUNDMTciLCJ2aXNpdG9yX2lkIjoiMzY2NTMwMzIwMzc2MTg3OTI3IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmacd036d99434f4e611b518b9c721a13114a197f34a8bb9285fd595cf427b9e59c7
hovercard-subject-tagpull_request:1741528655
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/115870/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/02e6a2d5a5c39ddd59518979174172ece728b1fe9a019f3083168f1b39ab647a/python/cpython/pull/115870
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/02e6a2d5a5c39ddd59518979174172ece728b1fe9a019f3083168f1b39ab647a/python/cpython/pull/115870
og:image:altSetting the class attribute of a lazy-loading module to ModuleType enables other threads to attempt to access attributes before the loading is complete. Now that is protected by a lock. (cherry pic...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamemiss-islington
hostnamegithub.com
expected-hostnamegithub.com
Noneb278ad162d35332b6de714dfb005de04386c4d92df6475522bef910f491a35ee
turbo-cache-controlno-preview
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release39aed5006635ab6f45e6b77d23e73b08a00272a3
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/115870#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F115870
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F115870
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/115870
Reloadhttps://github.com/python/cpython/pull/115870
Reloadhttps://github.com/python/cpython/pull/115870
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/115870
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.1k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects 31 https://github.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/python/cpython/security
Please reload this pagehttps://github.com/python/cpython/pull/115870
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
Jump to bottomhttps://github.com/python/cpython/pull/115870#issue-comment-box
brettcannonhttps://github.com/brettcannon
python:3.12https://github.com/python/cpython/tree/3.12
miss-islington:backport-200271c-3.12https://github.com/miss-islington/cpython/tree/backport-200271c-3.12
[3.12] gh-114763: Protect lazy loading modules from attribute access races (GH-114781) https://github.com/python/cpython/pull/115870#top
brettcannonhttps://github.com/brettcannon
python:3.12https://github.com/python/cpython/tree/3.12
miss-islington:backport-200271c-3.12https://github.com/miss-islington/cpython/tree/backport-200271c-3.12
Conversation 0 https://github.com/python/cpython/pull/115870
Commits 2 https://github.com/python/cpython/pull/115870/commits
Checks 0 https://github.com/python/cpython/pull/115870/checks
Files changed https://github.com/python/cpython/pull/115870/files
Please reload this pagehttps://github.com/python/cpython/pull/115870
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
Feb 24, 2024https://github.com/python/cpython/pull/115870#issue-2151972504
Please reload this pagehttps://github.com/python/cpython/pull/115870
200271chttps://github.com/python/cpython/commit/200271c61db44d90759f8a8934949aefd72d5724
Accessing attributes of a lazily-loaded module is not thread-safe #114763https://github.com/python/cpython/issues/114763
Please reload this pagehttps://github.com/python/cpython/pull/115870
https://github.com/effigies
https://github.com/miss-islington
pythongh-114763https://github.com/python/cpython/issues/114763
: Protect lazy loading modules from attribute access r…https://github.com/python/cpython/pull/115870/commits/21221d5587238472a7ef5ea8a49b16b8c6878088
21221d5https://github.com/python/cpython/pull/115870/commits/21221d5587238472a7ef5ea8a49b16b8c6878088
pythonGH-114781https://github.com/python/cpython/pull/114781
200271chttps://github.com/miss-islington/cpython/commit/200271c61db44d90759f8a8934949aefd72d5724
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
brettcannonhttps://github.com/brettcannon
encukouhttps://github.com/encukou
ericsnowcurrentlyhttps://github.com/ericsnowcurrently
ncoghlanhttps://github.com/ncoghlan
warsawhttps://github.com/warsaw
code ownershttps://github.com/python/cpython/blob/71b75f6f15ea2e8ffe59558bf2ec87b089833b40/.github/CODEOWNERS#L72
February 24, 2024 00:02https://github.com/python/cpython/pull/115870#event-11909233937
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
type-bug https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-bug
Feb 24, 2024https://github.com/python/cpython/pull/115870#event-11909234089
gh-114763: Protect lazy loading modules from attribute access race #114781 https://github.com/python/cpython/pull/114781
Accessing attributes of a lazily-loaded module is not thread-safe #114763 https://github.com/python/cpython/issues/114763
https://github.com/brettcannon
brettcannonhttps://github.com/brettcannon
Feb 24, 2024 https://github.com/python/cpython/pull/115870#pullrequestreview-1899114278
View reviewed changes https://github.com/python/cpython/pull/115870/files/264715002a34163359c1f8011c5f62ab5aabd3e8
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Feb 24, 2024https://github.com/python/cpython/pull/115870#event-11909235852
https://github.com/brettcannon
brettcannonhttps://github.com/brettcannon
February 24, 2024 00:03https://github.com/python/cpython/pull/115870#event-11909236522
https://github.com/brettcannon
brettcannonhttps://github.com/brettcannon
Feb 24, 2024https://github.com/python/cpython/pull/115870#event-11909236872
https://github.com/brettcannon
Merge branch '3.12' into backport-200271c-3.12https://github.com/python/cpython/pull/115870/commits/264715002a34163359c1f8011c5f62ab5aabd3e8
2647150https://github.com/python/cpython/pull/115870/commits/264715002a34163359c1f8011c5f62ab5aabd3e8
https://github.com/brettcannon
brettcannonhttps://github.com/brettcannon
7b91b90https://github.com/python/cpython/commit/7b91b9001a444f5b5acdfd786b07bfde3405e93a
Feb 26, 2024https://github.com/python/cpython/pull/115870#event-11927367525
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting merge https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22
Feb 26, 2024https://github.com/python/cpython/pull/115870#event-11927368073
https://github.com/effigies
effigieshttps://github.com/effigies
Feb 26, 2024 https://github.com/python/cpython/pull/115870#ref-issue-2096153848
Broken thread safety scientific-python/lazy-loader#88 https://github.com/scientific-python/lazy-loader/issues/88
https://github.com/miss-islington
miss-islingtonhttps://github.com/miss-islington
January 2, 2026 17:58https://github.com/python/cpython/pull/115870#event-21830237538
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F115870
https://github.com/brettcannon
brettcannon https://github.com/brettcannon
https://github.com/python/cpython/pull/115870/files/264715002a34163359c1f8011c5f62ab5aabd3e8
https://github.com/encukou
encukou https://github.com/encukou
https://github.com/ericsnowcurrently
ericsnowcurrently https://github.com/ericsnowcurrently
https://github.com/ncoghlan
ncoghlan https://github.com/ncoghlan
https://github.com/warsaw
warsaw https://github.com/warsaw
https://github.com/brettcannon
brettcannon https://github.com/brettcannon
type-bug https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-bug
Please reload this pagehttps://github.com/python/cpython/pull/115870
https://github.com/miss-islington
https://github.com/brettcannon
https://github.com/effigies
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.