René's URL Explorer Experiment


Title: gh-145855: Remove the DELETE_ATTR bytecode by aisk · Pull Request #146216 · python/cpython · GitHub

Open Graph Title: gh-145855: Remove the DELETE_ATTR bytecode by aisk · Pull Request #146216 · python/cpython

X Title: gh-145855: Remove the DELETE_ATTR bytecode by aisk · Pull Request #146216 · python/cpython

Description: Changed DELETE_ATTR to PUSH_NULL; STORE_ATTR; Don't generate specialized STORE_ATTR_* if value is null. Issue: gh-145855 📚 Documentation preview 📚: https://cpython-previews--146216.org.readthedocs.build/

Open Graph Description: Changed DELETE_ATTR to PUSH_NULL; STORE_ATTR; Don't generate specialized STORE_ATTR_* if value is null. Issue: gh-145855 📚 Documentation preview 📚: https://cpython-previews--146216.org....

X Description: Changed DELETE_ATTR to PUSH_NULL; STORE_ATTR; Don't generate specialized STORE_ATTR_* if value is null. Issue: gh-145855 📚 Documentation preview 📚: https://cpython-previews--146216....

Opengraph URL: https://github.com/python/cpython/pull/146216

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/files(.:format)
route-controllerpull_requests
route-actionfiles
fetch-noncev2:b151e457-52a4-415e-32b8-a309a5f41773
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idC864:1D00CE:78C147:A03E60:6A52A83F
html-safe-nonce2d3968e18f0a28f05b592cd0032423f00fadbe1ff053ead004cf3b20ab6de73d
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDODY0OjFEMDBDRTo3OEMxNDc6QTAzRTYwOjZBNTJBODNGIiwidmlzaXRvcl9pZCI6IjU4NzIzOTIwMDU0NDM4MjM2NzkiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac863ddcde6b506e5f07b76c47b4365b819ee72caedce21dbaac19d029b4e30894
hovercard-subject-tagpull_request:3425601766
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/files
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/146216/files
twitter:imagehttps://avatars.githubusercontent.com/u/699636?s=400&v=4
twitter:cardsummary_large_image
og:imagehttps://avatars.githubusercontent.com/u/699636?s=400&v=4
og:image:altChanged DELETE_ATTR to PUSH_NULL; STORE_ATTR; Don't generate specialized STORE_ATTR_* if value is null. Issue: gh-145855 📚 Documentation preview 📚: https://cpython-previews--146216.org....
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
Noneb9a586c06a05a7a86fc7e3f4dbd03e42f6869085879aa184aa6369456dbd50fb
turbo-cache-controlno-preview
diff-viewunified
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 full-width
disable-turbotrue
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release07a982c1d40157c619b364352b704c3ce66bb332
ui-targetcanary-1
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/146216/files#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146216%2Ffiles
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%2F146216%2Ffiles
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%2Ffiles&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/146216/files
Reloadhttps://github.com/python/cpython/pull/146216/files
Reloadhttps://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
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
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
markshannonhttps://github.com/markshannon
python:mainhttps://github.com/python/cpython/tree/main
aisk:remove-delete-attrhttps://github.com/aisk/cpython/tree/remove-delete-attr
Conversation 6 https://github.com/python/cpython/pull/146216
Commits 15 https://github.com/python/cpython/pull/146216/commits
Checks 80 https://github.com/python/cpython/pull/146216/checks
Files changed https://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
gh-145855: Remove the DELETE_ATTR bytecode https://github.com/python/cpython/pull/146216/files#top
Show all changes 15 commits https://github.com/python/cpython/pull/146216/files
85ac67a Remove the DELETE_ATTR bytecode aisk Mar 20, 2026 https://github.com/python/cpython/pull/146216/commits/85ac67a9ec052914d351d5eb07fd3d8625cd9b5f
f8b62dc Remove the unnecessary SWAP(2) aisk Mar 20, 2026 https://github.com/python/cpython/pull/146216/commits/f8b62dc0de11903c9f32ba69c2dd0de543514316
5076f39 Update PYC_MAGIC_NUMBER aisk Mar 20, 2026 https://github.com/python/cpython/pull/146216/commits/5076f394ea47eb6cfdcb8cf2912fa0d7f34538d6
703af8f 📜🤖 Added by blurb_it. blurb-it[bot] Mar 20, 2026 https://github.com/python/cpython/pull/146216/commits/703af8fdf1d9f48df9c0839eab0ff6f651248e75
e219598 Merge upstream to resolve conflicts aisk Apr 10, 2026 https://github.com/python/cpython/pull/146216/commits/e219598955f2db1cc0321b14a50d50dba3b0bc45
85e9545 Merge remote-tracking branch 'origin/remove-delete-attr' into remove-… aisk Apr 10, 2026 https://github.com/python/cpython/pull/146216/commits/85e95457f3e3dc3fc67ebf4342930facc8896cf6
dfb7fdb Fix magic number aisk Apr 10, 2026 https://github.com/python/cpython/pull/146216/commits/dfb7fdbef5783cfed681ed4f030782765553e931
c5db465 Fix test_frozenmain.h aisk Apr 10, 2026 https://github.com/python/cpython/pull/146216/commits/c5db465b2bbb78b59d987767c3fd44ca7bb343a2
273ae11 Merge remote-tracking branch 'upstream/main' into remove-delete-attr aisk Apr 11, 2026 https://github.com/python/cpython/pull/146216/commits/273ae11f0c3b98ff8af977330d16f1d631a4a369
757eb3e Fix crash and regen-all aisk Apr 11, 2026 https://github.com/python/cpython/pull/146216/commits/757eb3ee24d6e737df43571e5c1eadae8cfa2912
6584ce6 Update removed-ids.txt aisk Apr 11, 2026 https://github.com/python/cpython/pull/146216/commits/6584ce6e411aa2e3fc4dc7e9eee91e2e8bfb9f6c
ca09e26 Merge remote-tracking branch 'upstream/main' into remove-delete-attr aisk Apr 11, 2026 https://github.com/python/cpython/pull/146216/commits/ca09e26dec463f72dc38593697b1f998e61f40b0
b29453a Merge remote-tracking branch 'upstream/main' into remove-delete-attr aisk Jun 30, 2026 https://github.com/python/cpython/pull/146216/commits/b29453afbcfca891183126ff0015e58893b20a9f
388369d Merge remote-tracking branch 'upstream/main' into remove-delete-attr aisk Jul 1, 2026 https://github.com/python/cpython/pull/146216/commits/388369da2fd89aa60cedbdb7157b7e705bebe86e
c8f1066 Merge remote-tracking branch 'upstream/main' into remove-delete-attr aisk Jul 5, 2026 https://github.com/python/cpython/pull/146216/commits/c8f1066270dea7c887e1488b8d1a5f6d75652df3
Clear filters https://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
dis.rst https://github.com/python/cpython/pull/146216/files#diff-eaa488fc50d23b30ca8b24ab19e9c91c1c941339847af993e908f006eec0653b
removed-ids.txt https://github.com/python/cpython/pull/146216/files#diff-9d5c67c6df6acf7f5545d77dc9abef86d93a79002f94d2042d2d4bbe3b09e0fc
pycore_magic_number.h https://github.com/python/cpython/pull/146216/files#diff-cab675717b887b20316ee0113f1e44bbd5db4e4a6e04ff75eb3996deffeafed4
pycore_opcode_metadata.h https://github.com/python/cpython/pull/146216/files#diff-72bc4c0445516cc3eabd536220b2459617491ffaabbdb8a7c5381f36c991e378
pycore_uop_ids.h https://github.com/python/cpython/pull/146216/files#diff-2a420e4d0d58009249c0f73f7c822167b053bd51cb213b20179bd2aebfc66ff9
pycore_uop_metadata.h https://github.com/python/cpython/pull/146216/files#diff-55e65a72fa31e9b746e03076d2c74b716c0c1171663f36960b2339fcbfae9bab
opcode_ids.h https://github.com/python/cpython/pull/146216/files#diff-e4ecf20b65dcacb3c91fc910b83d99a2ca60282b51aa65e7902a662c227e6187
_opcode_metadata.py https://github.com/python/cpython/pull/146216/files#diff-3f2acff9cdbb005de538e3ba43dc12406bf414047d7d018476bac0048b5056e4
test_compile.py https://github.com/python/cpython/pull/146216/files#diff-c69ceae0611c40012b4691e3536bf17efacdb5b51b8e155eec9a939108e42e43
2026-03-20-16-27-15.gh-issue-145855.3yaHO4.rst https://github.com/python/cpython/pull/146216/files#diff-a6cafcb2457e747f303f7c2f8d7cc3ed00f0120fcd0c2e3a5170ddec5b70c965
test_cases.c.h https://github.com/python/cpython/pull/146216/files#diff-2852a58ed53ab1473b74dbdc4165885a9b74865b6d71e48fa4813d6289fa1838
test_targets.h https://github.com/python/cpython/pull/146216/files#diff-096e9952e325d9c098b3f85e87e7f41369678d0f019f26c8772531146896d50d
test_frozenmain.h https://github.com/python/cpython/pull/146216/files#diff-dcbbf153f77c69fb3a08746516bb9baaf46b9465c941221d1d495123e92cc862
bytecodes.c https://github.com/python/cpython/pull/146216/files#diff-729a985b0cb8b431cb291f1edb561bbbfea22e3f8c262451cd83328a0936a342
codegen.c https://github.com/python/cpython/pull/146216/files#diff-6d58b0ddc066ad12ebc378b62c4189335bd57c83aece11072c76fd86a78a1a4a
executor_cases.c.h https://github.com/python/cpython/pull/146216/files#diff-a1c3430c42a66c16e6d2e154491a6da993b187b27c628545a12a02c7b2a06b81
generated_cases.c.h https://github.com/python/cpython/pull/146216/files#diff-4ef46fa654f95502e49a24f7dc8ee31a4cac9b3433fe9cd2b2d4dd78cfbad448
opcode_targets.h https://github.com/python/cpython/pull/146216/files#diff-d3363a4083b77b9157d0bf07c2e87f3d3464a8b4360d5d23b07bbb23061f007a
optimizer_cases.c.h https://github.com/python/cpython/pull/146216/files#diff-ed4567b3e67709ec57bf4df91ef058cfcbe00d7da11cd2a75e38241fa1ca99d2
Doc/library/dis.rsthttps://github.com/python/cpython/pull/146216/files#diff-eaa488fc50d23b30ca8b24ab19e9c91c1c941339847af993e908f006eec0653b
View file https://github.com/aisk/cpython/blob/c8f1066270dea7c887e1488b8d1a5f6d75652df3/Doc/library/dis.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/146216/{{ revealButtonHref }}
https://github.com/python/cpython/pull/146216/files#diff-eaa488fc50d23b30ca8b24ab19e9c91c1c941339847af993e908f006eec0653b
https://github.com/python/cpython/pull/146216/files#diff-eaa488fc50d23b30ca8b24ab19e9c91c1c941339847af993e908f006eec0653b
https://github.com/python/cpython/blob/main/.github/CODEOWNERS#L108
Doc/tools/removed-ids.txthttps://github.com/python/cpython/pull/146216/files#diff-9d5c67c6df6acf7f5545d77dc9abef86d93a79002f94d2042d2d4bbe3b09e0fc
View file https://github.com/aisk/cpython/blob/c8f1066270dea7c887e1488b8d1a5f6d75652df3/Doc/tools/removed-ids.txt
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/146216/{{ revealButtonHref }}
https://github.com/python/cpython/pull/146216/files#diff-9d5c67c6df6acf7f5545d77dc9abef86d93a79002f94d2042d2d4bbe3b09e0fc
https://github.com/python/cpython/pull/146216/files#diff-9d5c67c6df6acf7f5545d77dc9abef86d93a79002f94d2042d2d4bbe3b09e0fc
Include/internal/pycore_magic_number.hhttps://github.com/python/cpython/pull/146216/files#diff-cab675717b887b20316ee0113f1e44bbd5db4e4a6e04ff75eb3996deffeafed4
View file https://github.com/aisk/cpython/blob/c8f1066270dea7c887e1488b8d1a5f6d75652df3/Include/internal/pycore_magic_number.h
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/146216/{{ revealButtonHref }}
https://github.com/python/cpython/pull/146216/files#diff-cab675717b887b20316ee0113f1e44bbd5db4e4a6e04ff75eb3996deffeafed4
https://github.com/python/cpython/pull/146216/files#diff-cab675717b887b20316ee0113f1e44bbd5db4e4a6e04ff75eb3996deffeafed4
https://github.com/python/cpython/pull/146216/files#diff-cab675717b887b20316ee0113f1e44bbd5db4e4a6e04ff75eb3996deffeafed4
Include/internal/pycore_opcode_metadata.hhttps://github.com/python/cpython/pull/146216/files#diff-72bc4c0445516cc3eabd536220b2459617491ffaabbdb8a7c5381f36c991e378
View file https://github.com/aisk/cpython/blob/c8f1066270dea7c887e1488b8d1a5f6d75652df3/Include/internal/pycore_opcode_metadata.h
Open in desktop https://desktop.github.com
how customized files appear on GitHubhttps://docs.github.com/github/administering-a-repository/customizing-how-changed-files-appear-on-github
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
Please reload this pagehttps://github.com/python/cpython/pull/146216/files
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.