| route-pattern | /_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format) |
| route-controller | voltron_pull_requests_fragments |
| route-action | pull_request_layout |
| fetch-nonce | v2:29827be2-8377-feb1-e1c9-c0335b7e552a |
| current-catalog-service-hash | ae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b |
| request-id | 84B8:2F2BB0:7A9162:A6CE4B:6A4D68FB |
| html-safe-nonce | d14b9e378f0c7596255c63d88842a1784ab76ed3c667c51fca41048f7a06fede |
| visitor-payload | eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4NEI4OjJGMkJCMDo3QTkxNjI6QTZDRTRCOjZBNEQ2OEZCIiwidmlzaXRvcl9pZCI6Ijc4ODg5OTI1MzM3NTcxMjY5MDciLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ== |
| visitor-hmac | 6d249f38bc3f88310e976fd2edc9a88a198379705f8c9b09e243d3f68747a5ed |
| hovercard-subject-tag | pull_request:421133152 |
| github-keyboard-shortcuts | repository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot |
| google-site-verification | Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I |
| octolytics-url | https://collector.github.com/github/collect |
| analytics-location | ///voltron/pull_requests_fragments/pull_request_layout |
| fb:app_id | 1401488693436528 |
| apple-itunes-app | app-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/20278/pull_request_layout |
| twitter:image | https://opengraph.githubassets.com/01c65253ced1a7c3764d0c53e24f1d90af01fe4d3d30f79c43269ee745245d87/python/cpython/pull/20278 |
| twitter:card | summary_large_image |
| og:image | https://opengraph.githubassets.com/01c65253ced1a7c3764d0c53e24f1d90af01fe4d3d30f79c43269ee745245d87/python/cpython/pull/20278 |
| og:image:alt | Allows contextvars from the main thread to be accessed in the separate thread used in asyncio.to_thread(). See the discussion in GH-20143 for context.
https://bugs.python.org/issue32309
Automerg... |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | aeros |
| hostname | github.com |
| expected-hostname | github.com |
| None | 7db3950e3f59095e20a9789440c3dd554efc62d434882ead06ae05b5815605b9 |
| turbo-cache-control | no-cache |
| go-import | github.com/python/cpython git https://github.com/python/cpython.git |
| octolytics-dimension-user_id | 1525981 |
| octolytics-dimension-user_login | python |
| octolytics-dimension-repository_id | 81598961 |
| octolytics-dimension-repository_nwo | python/cpython |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 81598961 |
| octolytics-dimension-repository_network_root_nwo | python/cpython |
| turbo-body-classes | logged-out env-production page-responsive |
| disable-turbo | false |
| browser-stats-url | https://api.github.com/_private/browser/stats |
| browser-errors-url | https://api.github.com/_private/browser/errors |
| release | cd8f6a71db61d6012a0cbb134be844fdbe9b8a45 |
| ui-target | full |
| theme-color | #1e2327 |
| color-scheme | light dark |
| Skip to content | https://github.com/python/cpython/pull/20278#start-of-content |
|
| https://github.com/ |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F20278 |
| GitHub CopilotWrite better code with AI | https://github.com/features/copilot |
| GitHub Copilot appDirect agents from issue to merge | https://github.com/features/ai/github-app |
| MCP RegistryNewIntegrate external tools | https://github.com/mcp |
| ActionsAutomate any workflow | https://github.com/features/actions |
| CodespacesInstant dev environments | https://github.com/features/codespaces |
| IssuesPlan and track work | https://github.com/features/issues |
| Code ReviewManage code changes | https://github.com/features/code-review |
| GitHub Advanced SecurityFind and fix vulnerabilities | https://github.com/security/advanced-security |
| Code securitySecure your code as you build | https://github.com/security/advanced-security/code-security |
| Secret protectionStop leaks before they start | https://github.com/security/advanced-security/secret-protection |
| Why GitHub | https://github.com/why-github |
| Documentation | https://docs.github.com |
| Blog | https://github.blog |
| Changelog | https://github.blog/changelog |
| Marketplace | https://github.com/marketplace |
| View all features | https://github.com/features |
| Enterprises | https://github.com/enterprise |
| Small and medium teams | https://github.com/team |
| Startups | https://github.com/enterprise/startups |
| Nonprofits | https://github.com/solutions/industry/nonprofits |
| App Modernization | https://github.com/solutions/use-case/app-modernization |
| DevSecOps | https://github.com/solutions/use-case/devsecops |
| DevOps | https://github.com/solutions/use-case/devops |
| CI/CD | https://github.com/solutions/use-case/ci-cd |
| View all use cases | https://github.com/solutions/use-case |
| Healthcare | https://github.com/solutions/industry/healthcare |
| Financial services | https://github.com/solutions/industry/financial-services |
| Manufacturing | https://github.com/solutions/industry/manufacturing |
| Government | https://github.com/solutions/industry/government |
| View all industries | https://github.com/solutions/industry |
| View all solutions | https://github.com/solutions |
| AI | https://github.com/resources/articles?topic=ai |
| Software Development | https://github.com/resources/articles?topic=software-development |
| DevOps | https://github.com/resources/articles?topic=devops |
| Security | https://github.com/resources/articles?topic=security |
| View all topics | https://github.com/resources/articles |
| Customer stories | https://github.com/customer-stories |
| Events & webinars | https://github.com/resources/events |
| Ebooks & reports | https://github.com/resources/whitepapers |
| Business insights | https://github.com/solutions/executive-insights |
| GitHub Skills | https://skills.github.com |
| Documentation | https://docs.github.com |
| Customer support | https://support.github.com |
| Community forum | https://github.com/orgs/community/discussions |
| Trust center | https://github.com/trust-center |
| Partners | https://github.com/partners |
| View all resources | https://github.com/resources |
| GitHub SponsorsFund open source developers | https://github.com/sponsors |
| Security Lab | https://securitylab.github.com |
| Maintainer Community | https://maintainers.github.com |
| Accelerator | https://github.com/accelerator |
| GitHub Stars | https://stars.github.com |
| Archive Program | https://archiveprogram.github.com |
| Topics | https://github.com/topics |
| Trending | https://github.com/trending |
| Collections | https://github.com/collections |
| Enterprise platformAI-powered developer platform | https://github.com/enterprise |
| GitHub Advanced SecurityEnterprise-grade security features | https://github.com/security/advanced-security |
| Copilot for BusinessEnterprise-grade AI features | https://github.com/features/copilot/copilot-business |
| Premium SupportEnterprise-grade 24/7 support | https://github.com/premium-support |
| Pricing | https://github.com/pricing |
| Search syntax tips | https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax |
| documentation | https://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%2F20278 |
|
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 |
| Reload | https://github.com/python/cpython/pull/20278 |
| Reload | https://github.com/python/cpython/pull/20278 |
| Reload | https://github.com/python/cpython/pull/20278 |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
|
python
| https://github.com/python |
| cpython | https://github.com/python/cpython |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
|
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 |
| miss-islington | https://github.com/miss-islington |
| python:master | https://github.com/python/cpython/tree/master |
| aeros:bpo32309-to_thread-contextvars | https://github.com/aeros/cpython/tree/bpo32309-to_thread-contextvars |
| Conversation | https://github.com/python/cpython/pull/20278 |
| Commits2 (2) | https://github.com/python/cpython/pull/20278/commits |
| Checks | https://github.com/python/cpython/pull/20278/checks |
| Files changed | https://github.com/python/cpython/pull/20278/files |
| bpo-32309: Add support for contextvars in asyncio.to_thread() | https://github.com/python/cpython/pull/20278#top |
| miss-islington | https://github.com/miss-islington |
| python:master | https://github.com/python/cpython/tree/master |
| aeros:bpo32309-to_thread-contextvars | https://github.com/aeros/cpython/tree/bpo32309-to_thread-contextvars |
|
| https://github.com/aeros |
| aeros | https://github.com/aeros |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#issue-622226503 |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| discussion | https://github.com/python/cpython/pull/20143#discussion_r427808225 |
| GH-20143 | https://github.com/python/cpython/pull/20143 |
| https://bugs.python.org/issue32309 | https://bugs.python.org/issue32309 |
| @aeros | https://github.com/aeros |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
|
| https://github.com/aeros |
|
| https://github.com/JrooTJunior |
| Add support for contextvars in asyncio.to_thread() | https://github.com/python/cpython/pull/20278/commits/6b322fdd8284b69e7785eccc28ec038f633b75b9 |
| 6b322fd | https://github.com/python/cpython/pull/20278/commits/6b322fdd8284b69e7785eccc28ec038f633b75b9 |
| https://github.com/aeros |
| aeros | https://github.com/aeros |
| 1st1 | https://github.com/1st1 |
| asvetlov | https://github.com/asvetlov |
| code owners | https://github.com/python/cpython/blob/df2e0ff0d63b07a1c8fdfd3674d99bd4f2fb69c5/.github/CODEOWNERS#L8 |
| May 21, 2020 03:48 | https://github.com/python/cpython/pull/20278#event-3359134310 |
| https://github.com/the-knights-who-say-ni |
| the-knights-who-say-ni | https://github.com/the-knights-who-say-ni |
|
CLA signed
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22CLA%20signed%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359134401 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359134459 |
| https://github.com/aeros |
| aeros | https://github.com/aeros |
|
topic-asyncio
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-asyncio |
|
needs backport to 3.9
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.9%22 |
|
skip news
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359134850 |
| https://github.com/aeros |
| aeros | https://github.com/aeros |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#issuecomment-631863136 |
| GH-20143 | https://github.com/python/cpython/pull/20143 |
| @1st1 | https://github.com/1st1 |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| https://github.com/1st1 |
| 1st1 | https://github.com/1st1 |
|
May 21, 2020
| https://github.com/python/cpython/pull/20278#pullrequestreview-415869990 |
|
View reviewed changes
| https://github.com/python/cpython/pull/20278/files/6b322fdd8284b69e7785eccc28ec038f633b75b9 |
| Doc/library/asyncio-task.rst | https://github.com/python/cpython/pull/20278/files/6b322fdd8284b69e7785eccc28ec038f633b75b9#diff-5e9a5bb933b1bd1d6092f7e5adb5c06da7a6792e0597f55f911245acacfce7a7 |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| https://github.com/1st1 |
| 1st1 | https://github.com/1st1 |
|
May 21, 2020
| https://github.com/python/cpython/pull/20278#pullrequestreview-415870187 |
|
View reviewed changes
| https://github.com/python/cpython/pull/20278/files/6b322fdd8284b69e7785eccc28ec038f633b75b9 |
| 1st1 | https://github.com/1st1 |
| https://github.com/python/cpython/pull/20278#pullrequestreview-415870187 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
awaiting merge
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22 |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359193328 |
|
| https://github.com/aeros |
| Fix asyncio.to_thread() docs | https://github.com/python/cpython/pull/20278/commits/9d3fd5ed283cb6acf551dc4abe53e8fe4c9c7df8 |
| 9d3fd5e | https://github.com/python/cpython/pull/20278/commits/9d3fd5ed283cb6acf551dc4abe53e8fe4c9c7df8 |
| https://github.com/aeros |
| aeros | https://github.com/aeros |
|
🤖 automerge
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22%3Arobot%3A%20automerge%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359249406 |
| https://github.com/miss-islington |
| miss-islington | https://github.com/miss-islington |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#issuecomment-631887264 |
| @aeros | https://github.com/aeros |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| https://github.com/miss-islington |
| miss-islington | https://github.com/miss-islington |
| 0f56263 | https://github.com/python/cpython/commit/0f56263e62ba91d0baae40fb98947a3a98034a73 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359287674 |
| https://github.com/miss-islington |
| miss-islington | https://github.com/miss-islington |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#issuecomment-631887278 |
| @aeros | https://github.com/aeros |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
awaiting merge
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359287741 |
| miss-islington | https://github.com/miss-islington |
|
May 21, 2020
| https://github.com/python/cpython/pull/20278#ref-commit-a63abf6 |
|
| https://github.com/aeros |
|
| https://github.com/miss-islington |
| bpo-32309: Add support for contextvars in asyncio.to_thread() ( | https://github.com/miss-islington/cpython/commit/a63abf650006adcc70c93347c59ca495f1f5285f |
| python… | https://github.com/python/cpython/pull/20278 |
| a63abf6 | https://github.com/miss-islington/cpython/commit/a63abf650006adcc70c93347c59ca495f1f5285f |
| …GH-20278 | https://github.com/python/cpython/pull/20278 |
| https://github.com/python/cpython/pull/20143GH-discussion_r427808225 | https://github.com/python/cpython/pull/20143GH-discussion_r427808225 |
| pythonGH-20143 | https://github.com/python/cpython/pull/20143 |
| @aeros | https://github.com/aeros |
| 0f56263 | https://github.com/miss-islington/cpython/commit/0f56263e62ba91d0baae40fb98947a3a98034a73 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
|
needs backport to 3.9
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.9%22 |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#event-3359288166 |
| https://github.com/bedevere-bot |
| bedevere-bot | https://github.com/bedevere-bot |
| May 21, 2020 | https://github.com/python/cpython/pull/20278#issuecomment-631887330 |
| GH-20279 | https://github.com/python/cpython/pull/20279 |
| 3.9 branch | https://github.com/python/cpython/tree/3.9 |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
| miss-islington | https://github.com/miss-islington |
|
May 21, 2020
| https://github.com/python/cpython/pull/20278#ref-commit-3e65054 |
|
| https://github.com/miss-islington |
|
| https://github.com/aeros |
| bpo-32309 | https://bugs.python.org/issue?@action=redirect&bpo=32309 |
| : Add support for contextvars in asyncio.to_thread() ( | https://github.com/python/cpython/commit/3e650545bfe949fa435b0d41e54986f615891ec8 |
| GH-20278 | https://github.com/python/cpython/pull/20278 |
| ) | https://github.com/python/cpython/commit/3e650545bfe949fa435b0d41e54986f615891ec8 |
| 3e65054 | https://github.com/python/cpython/commit/3e650545bfe949fa435b0d41e54986f615891ec8 |
| https://github.com/python/cpython/pull/20143GH-discussion_r427808225 | https://github.com/python/cpython/pull/20143GH-discussion_r427808225 |
| GH-20143 | https://github.com/python/cpython/pull/20143 |
| @aeros | https://github.com/aeros |
| 0f56263 | https://github.com/python/cpython/commit/0f56263e62ba91d0baae40fb98947a3a98034a73 |
| https://github.com/aeros |
| aeros | https://github.com/aeros |
|
May 21, 2020
| https://github.com/python/cpython/pull/20278#ref-pullrequest-619591396 |
|
bpo-32309: Implement asyncio.to_thread()
#20143
| https://github.com/python/cpython/pull/20143 |
| arturoescaip | https://github.com/arturoescaip |
|
May 24, 2020
| https://github.com/python/cpython/pull/20278#ref-commit-fbc22f8 |
|
| https://github.com/aeros |
|
| https://github.com/arturoescaip |
| bpo-32309: Add support for contextvars in asyncio.to_thread() ( | https://github.com/arturoescaip/cpython/commit/fbc22f81ce2eb360609f8570eecfa25bf00d9036 |
| python… | https://github.com/python/cpython/pull/20278 |
| fbc22f8 | https://github.com/arturoescaip/cpython/commit/fbc22f81ce2eb360609f8570eecfa25bf00d9036 |
| …GH-20278 | https://github.com/python/cpython/pull/20278 |
| python#20143 (comment) | https://github.com/python/cpython/pull/20143#discussion_r427808225 |
| pythonGH-20143 | https://github.com/python/cpython/pull/20143 |
| @aeros | https://github.com/aeros |
| https://github.com/apps/coderabbitai |
| coderabbitai | https://github.com/apps/coderabbitai |
|
May 16, 2026
| https://github.com/python/cpython/pull/20278#ref-pullrequest-4458215994 |
|
tryon: bound Vertex predict on a shared BoundedThreadRunner
William-Hill/ptso_agent#248
| https://github.com/William-Hill/ptso_agent/pull/248 |
| https://github.co/hiddenchars |
| https://github.com/python/cpython/pull/{{ revealButtonHref }} |
| Sign up for free | https://github.com/join?source=comment-repo |
| Sign in to comment | https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F20278 |
|
| https://github.com/1st1 |
|
1st1
| https://github.com/1st1 |
|
| https://github.com/python/cpython/pull/20278/files/6b322fdd8284b69e7785eccc28ec038f633b75b9 |
|
| https://github.com/asvetlov |
|
asvetlov
| https://github.com/asvetlov |
|
skip news
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22skip%20news%22 |
|
topic-asyncio
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3Atopic-asyncio |
| Please reload this page | https://github.com/python/cpython/pull/20278 |
|
| https://github.com/aeros |
|
| https://github.com/miss-islington |
|
| https://github.com/bedevere-bot |
|
| https://github.com/1st1 |
|
| https://github.com/the-knights-who-say-ni |
|
| https://github.com |
| Terms | https://docs.github.com/site-policy/github-terms/github-terms-of-service |
| Privacy | https://docs.github.com/site-policy/privacy-policies/github-privacy-statement |
| Security | https://github.com/security |
| Status | https://www.githubstatus.com/ |
| Community | https://github.community/ |
| Docs | https://docs.github.com/ |
| Contact | https://support.github.com?tags=dotcom-footer |