René's URL Explorer Experiment


Title: gh-132952: Import _io instead of io at startup by JelleZijlstra · Pull Request #132957 · python/cpython · GitHub

Open Graph Title: gh-132952: Import _io instead of io at startup by JelleZijlstra · Pull Request #132957 · python/cpython

X Title: gh-132952: Import _io instead of io at startup by JelleZijlstra · Pull Request #132957 · python/cpython

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

Open Graph Description: Issue: #127648 introduced a ~12% performance regression in python_startup_no_site benchmark #132952

X Description: Issue: #127648 introduced a ~12% performance regression in python_startup_no_site benchmark #132952

Opengraph URL: https://github.com/python/cpython/pull/132957

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/commits(.:format)
route-controllerpull_requests
route-actioncommits
fetch-noncev2:fefe8339-6c9a-ec86-e1f7-39e22fe6cf08
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idD16A:37E3D3:4932A2F:676584F:6A4FC973
html-safe-nonced4eeefbf9a1b55823072a2757af9e8abdb8fb6c30b9fda030a01a400f2fefa79
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJEMTZBOjM3RTNEMzo0OTMyQTJGOjY3NjU4NEY6NkE0RkM5NzMiLCJ2aXNpdG9yX2lkIjoiNjg4Njk2NTEwMTU0ODUyMTg0MyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac57cce4de7ce11c490a33bb3180a91dda5a54dcd174a36dad2f9c5752079aaf09
hovercard-subject-tagpull_request:2481939965
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///pull_requests/show/commits
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/132957/commits
twitter:imagehttps://opengraph.githubassets.com/212be9f4afda89dd67bb22b918f259d36d68ca6a1eb813089b379279bc58a47b/python/cpython/pull/132957
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/212be9f4afda89dd67bb22b918f259d36d68ca6a1eb813089b379279bc58a47b/python/cpython/pull/132957
og:image:altIssue: #127648 introduced a ~12% performance regression in python_startup_no_site benchmark #132952
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameJelleZijlstra
hostnamegithub.com
expected-hostnamegithub.com
None60b2ae4c725f51e2dac275d0ac5e9233e5967a61cdfaebd732f63da67ff1b71c
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
release06fb64e1cb36b9a7a2e3f0e6c14af40ef9f439d4
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/132957/commits#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F132957%2Fcommits
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%2F132957%2Fcommits
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%2Fcommits&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/132957/commits
Reloadhttps://github.com/python/cpython/pull/132957/commits
Reloadhttps://github.com/python/cpython/pull/132957/commits
Please reload this pagehttps://github.com/python/cpython/pull/132957/commits
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/132957/commits
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 34.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.6k 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
JelleZijlstrahttps://github.com/JelleZijlstra
python:mainhttps://github.com/python/cpython/tree/main
JelleZijlstra:sunder-iohttps://github.com/JelleZijlstra/cpython/tree/sunder-io
Conversationhttps://github.com/python/cpython/pull/132957
Commits6 (6)https://github.com/python/cpython/pull/132957/commits
Checkshttps://github.com/python/cpython/pull/132957/checks
Files changedhttps://github.com/python/cpython/pull/132957/files
gh-132952: Import _io instead of io at startuphttps://github.com/python/cpython/pull/132957/commits#top
JelleZijlstrahttps://github.com/JelleZijlstra
python:mainhttps://github.com/python/cpython/tree/main
JelleZijlstra:sunder-iohttps://github.com/JelleZijlstra/cpython/tree/sunder-io
gh-132952: Import _io instead of io at startuphttps://github.com/python/cpython/pull/132957/commits/dac50cc5fc1e59331856e4c667d05bfb028fdcd9
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
dac50cchttps://github.com/python/cpython/pull/132957/commits/dac50cc5fc1e59331856e4c667d05bfb028fdcd9
https://github.com/python/cpython/tree/dac50cc5fc1e59331856e4c667d05bfb028fdcd9
Also lazy-import in sitehttps://github.com/python/cpython/pull/132957/commits/e3432b72498ab1cad5007d5bb3a2f298c557bc8a
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
e3432b7https://github.com/python/cpython/pull/132957/commits/e3432b72498ab1cad5007d5bb3a2f298c557bc8a
https://github.com/python/cpython/tree/e3432b72498ab1cad5007d5bb3a2f298c557bc8a
blurbhttps://github.com/python/cpython/pull/132957/commits/ebe8890440dae062081b88b6c31995f48647971c
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
ebe8890https://github.com/python/cpython/pull/132957/commits/ebe8890440dae062081b88b6c31995f48647971c
https://github.com/python/cpython/tree/ebe8890440dae062081b88b6c31995f48647971c
Set the __module__ of UnsupportedOperation even if io is not importedhttps://github.com/python/cpython/pull/132957/commits/c3cfa671f1ff319e01e6bf07d18ac419ff846aa4
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
c3cfa67https://github.com/python/cpython/pull/132957/commits/c3cfa671f1ff319e01e6bf07d18ac419ff846aa4
https://github.com/python/cpython/tree/c3cfa671f1ff319e01e6bf07d18ac419ff846aa4
add testhttps://github.com/python/cpython/pull/132957/commits/6c40c3a6d928fc3534d26be1d0cf000021346e83
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
6c40c3ahttps://github.com/python/cpython/pull/132957/commits/6c40c3a6d928fc3534d26be1d0cf000021346e83
https://github.com/python/cpython/tree/6c40c3a6d928fc3534d26be1d0cf000021346e83
Drop 19% claimhttps://github.com/python/cpython/pull/132957/commits/71bfe4d78fbe806846f0c63d3eee4aaafb9dc4cc
https://github.com/JelleZijlstra
JelleZijlstrahttps://github.com/python/cpython/commits?author=JelleZijlstra
71bfe4dhttps://github.com/python/cpython/pull/132957/commits/71bfe4d78fbe806846f0c63d3eee4aaafb9dc4cc
https://github.com/python/cpython/tree/71bfe4d78fbe806846f0c63d3eee4aaafb9dc4cc
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.