René's URL Explorer Experiment


Title: gh-149504: Fix re-entrancy bug when .pth/.start file invokes site.addsitedir() by warsaw · Pull Request #149659 · python/cpython · GitHub

Open Graph Title: gh-149504: Fix re-entrancy bug when .pth/.start file invokes site.addsitedir() by warsaw · Pull Request #149659 · python/cpython

X Title: gh-149504: Fix re-entrancy bug when .pth/.start file invokes site.addsitedir() by warsaw · Pull Request #149659 · python/cpython

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

Open Graph Description: Fix site.addsitedir() to allow re-entrant calls from within startup files. Previously, a .pth file containing an import line that called site.addsitedir() (or a .start entry point doing the same) ...

X Description: Fix site.addsitedir() to allow re-entrant calls from within startup files. Previously, a .pth file containing an import line that called site.addsitedir() (or a .start entry point doing the same) ...

Opengraph URL: https://github.com/python/cpython/pull/149659

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:eab5026b-c832-8ff9-5d5c-415ff40dca85
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-idA7CC:2C813C:470D080:64116A2:6A56D570
html-safe-nonce283fd53fc32bb6e221dcb73b2acad311b28730144622539f1cf4c5f4596395ec
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBN0NDOjJDODEzQzo0NzBEMDgwOjY0MTE2QTI6NkE1NkQ1NzAiLCJ2aXNpdG9yX2lkIjoiMTE2MDk5MjM4MTMwMDI5OTEyMCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmacf5d668739bba9a8a04b018556805f6fb475eb5308eca4075efaa3ada57b7d35b
hovercard-subject-tagpull_request:3659873785
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,checks,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/checks
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/149659/checks
twitter:imagehttps://opengraph.githubassets.com/3f59a57cf146a5235025d0d15b157fdbc59c2899f92238f2822607eae5ca96dd/python/cpython/pull/149659
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/3f59a57cf146a5235025d0d15b157fdbc59c2899f92238f2822607eae5ca96dd/python/cpython/pull/149659
og:image:altFix site.addsitedir() to allow re-entrant calls from within startup files. Previously, a .pth file containing an import line that called site.addsitedir() (or a .start entry point doing the same) ...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamewarsaw
hostnamegithub.com
expected-hostnamegithub.com
None5220a278731283038daf0ed00b41f06ef7ff9539020ecc806c5c5a0fb6bda25a
turbo-cache-controlno-cache
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
release952dc124c1d105aa6fc49def04bb458db95747d7
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/149659/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F149659%2Fchecks
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
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
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
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/enterprise/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%2F149659%2Fchecks
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%2Fpull_requests%2Fshow%2Fchecks&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/149659/checks
Reloadhttps://github.com/python/cpython/pull/149659/checks
Reloadhttps://github.com/python/cpython/pull/149659/checks
Please reload this pagehttps://github.com/python/cpython/pull/149659/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/149659/checks
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
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 and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
warsawhttps://github.com/warsaw
python:mainhttps://github.com/python/cpython/tree/main
warsaw:gh-149504https://github.com/warsaw/cpython/tree/gh-149504
Conversationhttps://github.com/python/cpython/pull/149659
Commits9 (9)https://github.com/python/cpython/pull/149659/commits
Checkshttps://github.com/python/cpython/pull/149659/checks
Files changedhttps://github.com/python/cpython/pull/149659/files
gh-149504: Fix re-entrancy bug when .pth/.start file invokes site.addsitedir()https://github.com/python/cpython/pull/149659/checks#top
warsawhttps://github.com/warsaw
python:mainhttps://github.com/python/cpython/tree/main
warsaw:gh-149504https://github.com/warsaw/cpython/tree/gh-149504
Please reload this pagehttps://github.com/python/cpython/pull/149659/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F149659%2Fchecks
Tests on: pull_request https://github.com/python/cpython/actions/runs/25810434955
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/25810434955/job/75824919242?pr=149659
Docs / Docs https://github.com/python/cpython/actions/runs/25810434955/job/75824982540?pr=149659
Docs / Doctest https://github.com/python/cpython/actions/runs/25810434955/job/75824982750?pr=149659
Docs / Check EPUB https://github.com/python/cpython/actions/runs/25810434955/job/75824982536?pr=149659
Docs / Check for removed HTML IDs / Check for removed HTML IDs https://github.com/python/cpython/actions/runs/25810434955/job/75825399492?pr=149659
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/25810434955/job/75824981565?pr=149659
Check if generated files are up to date https://github.com/python/cpython/actions/runs/25810434955/job/75824981560?pr=149659
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/25810434955/job/75824981804?pr=149659
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/25810434955/job/75824982382?pr=149659
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/25810434955/job/75824982243?pr=149659
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/25810434955/job/75824982251?pr=149659
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/25810434955/job/75824982361?pr=149659
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/25810434955/job/75824982480?pr=149659
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/25810434955/job/75824982234?pr=149659
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/25810434955/job/75824982278?pr=149659
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/25810434955/job/75824982102?pr=149659
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/25810434955/job/75824982218?pr=149659
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/25810434955/job/75824982365?pr=149659
macOS / build and test (macos-15-intel) https://github.com/python/cpython/actions/runs/25810434955/job/75824982412?pr=149659
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25810434955/job/75824982118?pr=149659
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/25810434955/job/75824982199?pr=149659
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25810434955/job/75824982107?pr=149659
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/25810434955/job/75824982282?pr=149659
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25810434955/job/75824982331?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/25810434955/job/75824981839?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.20) https://github.com/python/cpython/actions/runs/25810434955/job/75824982279?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.7) https://github.com/python/cpython/actions/runs/25810434955/job/75824981791?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.5) https://github.com/python/cpython/actions/runs/25810434955/job/75824981816?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.6) https://github.com/python/cpython/actions/runs/25810434955/job/75824981811?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.2) https://github.com/python/cpython/actions/runs/25810434955/job/75824981812?pr=149659
Ubuntu SSL tests (ubuntu-24.04, openssl, 4.0.0) https://github.com/python/cpython/actions/runs/25810434955/job/75824981835?pr=149659
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.72.1) https://github.com/python/cpython/actions/runs/25810434955/job/75824981960?pr=149659
Android (aarch64) https://github.com/python/cpython/actions/runs/25810434955/job/75824981764?pr=149659
Android (x86_64) https://github.com/python/cpython/actions/runs/25810434955/job/75824981771?pr=149659
iOS https://github.com/python/cpython/actions/runs/25810434955/job/75824981747?pr=149659
Emscripten / build and test https://github.com/python/cpython/actions/runs/25810434955/job/75824982165?pr=149659
WASI / build and test https://github.com/python/cpython/actions/runs/25810434955/job/75824982073?pr=149659
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/25810434955/job/75824981715?pr=149659
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25810434955/job/75824981767?pr=149659
Sanitizers / TSan https://github.com/python/cpython/actions/runs/25810434955/job/75824982459?pr=149659
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/25810434955/job/75824982476?pr=149659
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/25810434955/job/75824982326?pr=149659
Cross build Linux https://github.com/python/cpython/actions/runs/25810434955/job/75824981738?pr=149659
CIFuzz${{ '' }} https://github.com/python/cpython/actions/runs/25810434955/job/75824982054?pr=149659
All required checks pass https://github.com/python/cpython/actions/runs/25810434955/job/75834660654?pr=149659
Lint on: pull_request https://github.com/python/cpython/actions/runs/25810435025
lint https://github.com/python/cpython/actions/runs/25810435025/job/75824919138?pr=149659
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25810435170
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25810435170/job/75824918816?pr=149659
Unresolved review https://github.com/python/cpython/actions/runs/25810435170/job/75824918787?pr=149659
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25813202439
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25813202439/job/75834739951?pr=149659
Unresolved review https://github.com/python/cpython/actions/runs/25813202439/job/75834739987?pr=149659
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25818428852
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25818428852/job/75852975904?pr=149659
Unresolved review https://github.com/python/cpython/actions/runs/25818428852/job/75852975885?pr=149659
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25818428911
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25818428911/job/75852975889?pr=149659
Unresolved review https://github.com/python/cpython/actions/runs/25818428911/job/75852975869?pr=149659
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25820890270
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25820890270/job/75861531959?pr=149659
Unresolved review https://github.com/python/cpython/actions/runs/25820890270/job/75861531875?pr=149659
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.