René's URL Explorer Experiment


Title: When using `python -bb`, `struct.calcsize` raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts) · Issue #85943 · python/cpython · GitHub

Open Graph Title: When using `python -bb`, `struct.calcsize` raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts) · Issue #85943 · python/cpython

X Title: When using `python -bb`, `struct.calcsize` raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts) · Issue #85943 · python/cpython

Description: BPO 41777 Nosy @mdickinson, @meadori, @serhiy-storchaka, @The-Compiler, @tadeu Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state. Show more details GitHub fields: assign...

Open Graph Description: BPO 41777 Nosy @mdickinson, @meadori, @serhiy-storchaka, @The-Compiler, @tadeu Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state....

X Description: BPO 41777 Nosy @mdickinson, @meadori, @serhiy-storchaka, @The-Compiler, @tadeu Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state....

Opengraph URL: https://github.com/python/cpython/issues/85943

X: @github

direct link

Domain: github.com


Hey, it has json ld scripts:
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"When using `python -bb`, `struct.calcsize` raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts)","articleBody":"BPO | [41777](https://bugs.python.org/issue41777)\n--- | :---\nNosy | @mdickinson, @meadori, @serhiy-storchaka, @The-Compiler, @tadeu\n\n\u003csup>*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup>\n\n\u003cdetails>\u003csummary>Show more details\u003c/summary>\u003cp>\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = None\ncreated_at = \u003cDate 2020-09-13.13:23:48.243>\nlabels = ['interpreter-core', '3.8', 'type-bug', 'library']\ntitle = 'When using `python -bb`, `struct.calcsize` raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts)'\nupdated_at = \u003cDate 2020-09-13.14:24:57.143>\nuser = 'https://github.com/tadeu'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-09-13.14:24:57.143>\nactor = 'The Compiler'\nassignee = 'none'\nclosed = False\nclosed_date = None\ncloser = None\ncomponents = ['Interpreter Core', 'Library (Lib)']\ncreation = \u003cDate 2020-09-13.13:23:48.243>\ncreator = 'tadeu'\ndependencies = []\nfiles = []\nhgrepos = []\nissue_num = 41777\nkeywords = []\nmessage_count = 4.0\nmessages = ['376836', '376837', '376838', '376839']\nnosy_count = 5.0\nnosy_names = ['mark.dickinson', 'meador.inge', 'serhiy.storchaka', 'The Compiler', 'tadeu']\npr_nums = []\npriority = 'normal'\nresolution = None\nstage = None\nstatus = 'open'\nsuperseder = None\ntype = 'behavior'\nurl = 'https://bugs.python.org/issue41777'\nversions = ['Python 3.8']\n```\n\n\u003c/p>\u003c/details>\n\n\n\u003c!-- gh-linked-prs -->\n### Linked PRs\n* gh-153627\n* gh-153834\n* gh-153835\n* gh-153836\n\u003c!-- /gh-linked-prs -->\n","author":{"url":null,"@type":"Person","name":"tadeu"},"datePublished":"2020-09-13T13:23:48Z","url":"https://github.com/python/cpython/issues/85943"}

react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
route-pattern/_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format)
route-controllervoltron_issues_fragments
route-actionissue_layout
fetch-noncev2:d1d19c98-2c22-fc13-3378-1522a7970ee8
current-catalog-service-hash81bb79d38c15960b92d99bca9288a9108c7a47b18f2423d0f6438c5b7bcd2114
request-idBD20:22BC6A:37F9EF:4D6C8F:6AECC9E4
html-safe-noncee54f3e8efb9d9a0282cfede1c9363269b451ee8ddf4882a33d88da6552302971
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCRDIwOjIyQkM2QTozN0Y5RUY6NEQ2QzhGOjZBRUNDOUU0IiwidmlzaXRvcl9pZCI6IjEwMzU4ODIxMTg1NzYzOTI2NzYiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacbf30e0ab4fa1cf2fe7aa17fe1232bedc4750609265bc453e0c39733d0bc0f3dd
hovercard-subject-tagissue:1199043586
github-keyboard-shortcutsrepository,issues,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/issues_fragments/issue_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/issues/show/python/cpython/85943/issue_layout
twitter:imagehttps://opengraph.githubassets.com/78c8bb9e9ef6d9527d89566e0b816442c8c0f2a3e94bec4b635180df4d70f03a/python/cpython/issues/85943
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/78c8bb9e9ef6d9527d89566e0b816442c8c0f2a3e94bec4b635180df4d70f03a/python/cpython/issues/85943
og:image:altBPO 41777 Nosy @mdickinson, @meadori, @serhiy-storchaka, @The-Compiler, @tadeu Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state....
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernametadeu
hostnamegithub.com
expected-hostnamegithub.com
Nonedc0b519c5798dc1150b88dc4c06a8b9634d0069218dc04e469970e76aad74016
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
releasedb139f0bf57b59bf9a8c4abb0849924d6c6ca559
ui-targetfull
theme-color#1e2327
color-schemelight dark
react-app-nameissues

Links:

Skip to contenthttps://github.com/python/cpython/issues/85943#start-of-content
https://github.com/
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fissues%2F85943
GitHubRepository hosting, code review, and collaborationhttps://github.com/platform
CopilotAI coding agent for tasks, projects, and automated workhttps://github.com/features/copilot
ActionsCI/CD and automationhttps://github.com/features/actions
Code QualityQuality analysis, fixes, and enforcementhttps://github.com/features/code-quality
CodespacesCloud development environmentshttps://github.com/features/codespaces
Code SecurityVulnerability detection and remediationhttps://github.com/security/advanced-security/code-security
Secret ProtectionSecret scanning and leak preventionhttps://github.com/security/advanced-security/secret-protection
All Featureshttps://github.com/features
Documentationhttps://docs.github.com/en
Traininghttps://learn.github.com/skills
Certificationshttps://learn.github.com/credentials
Build with Copilothttps://github.com/features/ai
Customize Copilothttps://docs.github.com/en/copilot/how-tos/copilot-on-github/customize-copilot/customize-copilot-overview
Integrationshttps://github.com/marketplace
Trending reposhttps://github.com/trending
GitHub Sponsorshttps://github.com/open-source/sponsors
Developer articleshttps://github.com/resources/articles
ChangelogYour source for the latest features, improvements, and fixes across GitHub products, all in one place.https://github.blog/changelog/
Enterpriseshttps://github.com/enterprise
Teamhttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
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
See all industrieshttps://github.com/solutions/industry
Why GitHubhttps://github.com/why-github
Customer Storieshttps://github.com/customer-stories
Business insightshttps://github.com/solutions/executive-insights
Trust Centerhttps://github.com/trust-center
GitHub Advanced SecurityEnterprise-grade code securityhttps://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
Documentationhttps://docs.github.com/en
Resource centerhttps://github.com/resources
Bloghttps://github.blog/
Events & webinarshttps://github.com/resources/events
Community Forumhttps://github.com/orgs/community/discussions
Customer Storieshttps://github.com/customer-stories
Integrationshttps://github.com/marketplace
Customer supporthttps://help.github.com/
Traininghttps://learn.github.com/skills
GitHub Statushttps://www.githubstatus.com/
Abouthttps://github.com/about
Partnershttps://github.com/partners
Changeloghttps://github.blog/changelog/
GitHub UniverseThe event for developers, by developers — talks, workshops, and what’s next for GitHub.https://githubuniverse.com/
Pricinghttps://github.com/pricing
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fissues%2F85943
Sign uphttps://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fissues_fragments%2Fissue_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/issues/85943
Reloadhttps://github.com/python/cpython/issues/85943
Reloadhttps://github.com/python/cpython/issues/85943
pythonhttps://github.com/python
cpythonhttps://github.com/python/cpython
Codehttps://github.com/python/cpython
Issues5k+ (5k+)https://github.com/python/cpython/issues
Pull requests2.3k (2.3k)https://github.com/python/cpython/pulls
Actionshttps://github.com/python/cpython/actions
Projectshttps://github.com/python/cpython/projects
Security and qualityhttps://github.com/python/cpython/security
Insightshttps://github.com/python/cpython/pulse
https://github.com/python/cpython
New issuehttps://github.com/login?return_to=https://github.com/python/cpython/issues/85943
New issuehttps://github.com/login?return_to=https://github.com/python/cpython/issues/85943
When using python -bb, struct.calcsize raises a warning when used with str argument after being used with bytes (might be a larger problem with dicts)https://github.com/python/cpython/issues/85943#top
3.8 (EOL)end of lifehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.8%20(EOL)%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
stdlibStandard Library Python modules in the Lib/ directoryhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22stdlib%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
on Sep 13, 2020https://github.com/python/cpython/issues/85943#issue-1199043586
41777https://bugs.python.org/issue41777
@mdickinsonhttps://github.com/mdickinson
@meadorihttps://github.com/meadori
@serhiy-storchakahttps://github.com/serhiy-storchaka
@The-Compilerhttps://github.com/The-Compiler
@tadeuhttps://github.com/tadeu
gh-85943: Fix BytesWarning in the struct format cache under -bb #153627https://github.com/python/cpython/pull/153627
[3.15] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) #153834https://github.com/python/cpython/pull/153834
[3.14] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) #153835https://github.com/python/cpython/pull/153835
[3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-153627) #153836https://github.com/python/cpython/pull/153836
on Sep 13, 2020https://github.com/python/cpython/issues/85943#issuecomment-1093883683
pytest-dev/pytest-xdist#596https://github.com/pytest-dev/pytest-xdist/issues/596
3.8 (EOL)end of lifehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.8%20(EOL)%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
stdlibStandard Library Python modules in the Lib/ directoryhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22stdlib%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
on Sep 13, 2020https://github.com/python/cpython/issues/85943#event-6404007965
on Sep 13, 2020https://github.com/python/cpython/issues/85943#issuecomment-1093883686
on Sep 13, 2020https://github.com/python/cpython/issues/85943#issuecomment-1093883688
on Sep 13, 2020https://github.com/python/cpython/issues/85943#issuecomment-1093883690
https://bugs.python.org/issue21071#msg292409https://bugs.python.org/issue21071#msg292409
ezio-melottihttps://github.com/ezio-melotti
https://github.com/python/cpython/issues/undefined
on Apr 10, 2022https://github.com/python/cpython/issues/85943#event-6404007971
serhiy-storchakahttps://github.com/serhiy-storchaka
Struct, memoryview and array issues 🏗️https://github.com/orgs/python/projects/65
on Jul 3, 2026https://github.com/python/cpython/issues/85943#event-27537313154
github-project-automationhttps://github.com/apps/github-project-automation
Struct, memoryview and array issues 🏗️https://github.com/orgs/python/projects/65
on Jul 3, 2026https://github.com/python/cpython/issues/85943
serhiy-storchakahttps://github.com/serhiy-storchaka
Struct, memoryview and array issues 🏗️https://github.com/orgs/python/projects/65
on Jul 13, 2026https://github.com/python/cpython/issues/85943
serhiy-storchakahttps://github.com/serhiy-storchaka
on Jul 17, 2026https://github.com/python/cpython/issues/85943#event-28109048537
gh-85943: Fix BytesWarning in the struct format cache under -bb (GH-1…https://github.com/python/cpython/commit/190d2ffbb969ad571fd12d4988b37519091194d5
gh-85943https://github.com/python/cpython/issues/85943
GH-1…https://github.com/python/cpython/pull/153627
190d2ffhttps://github.com/python/cpython/commit/190d2ffbb969ad571fd12d4988b37519091194d5
serhiy-storchakahttps://github.com/serhiy-storchaka
completedhttps://github.com/python/cpython/issues?q=is%3Aissue%20state%3Aclosed%20archived%3Afalse%20reason%3Acompleted
on Jul 17, 2026https://github.com/python/cpython/issues/85943#event-28109637559
github-project-automationhttps://github.com/apps/github-project-automation
Struct, memoryview and array issues 🏗️https://github.com/orgs/python/projects/65
on Jul 17, 2026https://github.com/python/cpython/issues/85943
serhiy-storchakahttps://github.com/serhiy-storchaka
on Jul 17, 2026https://github.com/python/cpython/issues/85943#event-28110169772
[3.14] gh-85943: Fix BytesWarning in the struct format cache under -bb (https://github.com/python/cpython/commit/f8298e59cdd6fb28f6b6b9d0aaef2117349006e4
gh-85943https://github.com/python/cpython/issues/85943
f8298e5https://github.com/python/cpython/commit/f8298e59cdd6fb28f6b6b9d0aaef2117349006e4
[3.15] gh-85943: Fix BytesWarning in the struct format cache under -bb (https://github.com/python/cpython/commit/21ab8eb5a87852c8336e18fb912073a4e4ac0c19
gh-85943https://github.com/python/cpython/issues/85943
21ab8ebhttps://github.com/python/cpython/commit/21ab8eb5a87852c8336e18fb912073a4e4ac0c19
[3.13] gh-85943: Fix BytesWarning in the struct format cache under -bb (https://github.com/python/cpython/commit/c8a0fbf2a6851a060270e53c045b2b7d1c06bf95
gh-85943https://github.com/python/cpython/issues/85943
c8a0fbfhttps://github.com/python/cpython/commit/c8a0fbf2a6851a060270e53c045b2b7d1c06bf95
Sign up for freehttps://github.com/signup?return_to=https://github.com/python/cpython/issues/85943
Sign in to commenthttps://github.com/login?return_to=https://github.com/python/cpython/issues/85943
3.8 (EOL)end of lifehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.8%20(EOL)%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
stdlibStandard Library Python modules in the Lib/ directoryhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22stdlib%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
Struct, memoryview and array issues 🏗️https://github.com/orgs/python/projects/65
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.