René's URL Explorer Experiment


Title: PEP 617: new PEG-based parser · Issue #84514 · python/cpython · GitHub

Open Graph Title: PEP 617: new PEG-based parser · Issue #84514 · python/cpython

X Title: PEP 617: new PEG-based parser · Issue #84514 · python/cpython

Description: BPO 40334 Nosy @gvanrossum, @rhettinger, @ned-deily, @serhiy-storchaka, @Carreau, @asottile, @lysnikolaou, @pablogsal, @miss-islington, @isidentical, @hauntsaninja PRs #19503#19664#19666#19667#19669#19670#19668#19671#19672#19675#19684#19...

Open Graph Description: BPO 40334 Nosy @gvanrossum, @rhettinger, @ned-deily, @serhiy-storchaka, @Carreau, @asottile, @lysnikolaou, @pablogsal, @miss-islington, @isidentical, @hauntsaninja PRs #19503#19664#19666#19667#1966...

X Description: BPO 40334 Nosy @gvanrossum, @rhettinger, @ned-deily, @serhiy-storchaka, @Carreau, @asottile, @lysnikolaou, @pablogsal, @miss-islington, @isidentical, @hauntsaninja PRs #19503#19664#19666#19667#1966...

Opengraph URL: https://github.com/python/cpython/issues/84514

X: @github

direct link

Domain: github.com


Hey, it has json ld scripts:
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PEP 617: new PEG-based parser","articleBody":"BPO | [40334](https://bugs.python.org/issue40334)\n--- | :---\nNosy | @gvanrossum, @rhettinger, @ned-deily, @serhiy-storchaka, @Carreau, @asottile, @lysnikolaou, @pablogsal, @miss-islington, @isidentical, @hauntsaninja\nPRs | \u003cli\u003epython/cpython#19503\u003c/li\u003e\u003cli\u003epython/cpython#19664\u003c/li\u003e\u003cli\u003epython/cpython#19666\u003c/li\u003e\u003cli\u003epython/cpython#19667\u003c/li\u003e\u003cli\u003epython/cpython#19669\u003c/li\u003e\u003cli\u003epython/cpython#19670\u003c/li\u003e\u003cli\u003epython/cpython#19668\u003c/li\u003e\u003cli\u003epython/cpython#19671\u003c/li\u003e\u003cli\u003epython/cpython#19672\u003c/li\u003e\u003cli\u003epython/cpython#19675\u003c/li\u003e\u003cli\u003epython/cpython#19684\u003c/li\u003e\u003cli\u003epython/cpython#19692\u003c/li\u003e\u003cli\u003epython/cpython#19694\u003c/li\u003e\u003cli\u003epython/cpython#19695\u003c/li\u003e\u003cli\u003epython/cpython#19704\u003c/li\u003e\u003cli\u003epython/cpython#19721\u003c/li\u003e\u003cli\u003epython/cpython#19723\u003c/li\u003e\u003cli\u003epython/cpython#19736\u003c/li\u003e\u003cli\u003epython/cpython#19743\u003c/li\u003e\u003cli\u003epython/cpython#19744\u003c/li\u003e\u003cli\u003epython/cpython#19745\u003c/li\u003e\u003cli\u003epython/cpython#19771\u003c/li\u003e\u003cli\u003epython/cpython#19774\u003c/li\u003e\u003cli\u003epython/cpython#19775\u003c/li\u003e\u003cli\u003epython/cpython#19778\u003c/li\u003e\u003cli\u003epython/cpython#19779\u003c/li\u003e\u003cli\u003epython/cpython#19780\u003c/li\u003e\u003cli\u003epython/cpython#19782\u003c/li\u003e\u003cli\u003epython/cpython#19786\u003c/li\u003e\u003cli\u003epython/cpython#19818\u003c/li\u003e\u003cli\u003epython/cpython#19827\u003c/li\u003e\u003cli\u003epython/cpython#19828\u003c/li\u003e\u003cli\u003epython/cpython#19830\u003c/li\u003e\u003cli\u003epython/cpython#19833\u003c/li\u003e\u003cli\u003epython/cpython#19837\u003c/li\u003e\u003cli\u003epython/cpython#19839\u003c/li\u003e\u003cli\u003epython/cpython#19849\u003c/li\u003e\u003cli\u003epython/cpython#19854\u003c/li\u003e\u003cli\u003epython/cpython#19865\u003c/li\u003e\u003cli\u003epython/cpython#19887\u003c/li\u003e\u003cli\u003epython/cpython#19911\u003c/li\u003e\u003cli\u003epython/cpython#19962\u003c/li\u003e\u003cli\u003epython/cpython#19963\u003c/li\u003e\u003cli\u003epython/cpython#19964\u003c/li\u003e\u003cli\u003epython/cpython#19966\u003c/li\u003e\u003cli\u003epython/cpython#19969\u003c/li\u003e\u003cli\u003epython/cpython#19973\u003c/li\u003e\u003cli\u003epython/cpython#19987\u003c/li\u003e\u003cli\u003epython/cpython#20003\u003c/li\u003e\u003cli\u003epython/cpython#20020\u003c/li\u003e\u003cli\u003epython/cpython#20050\u003c/li\u003e\u003cli\u003epython/cpython#20076\u003c/li\u003e\u003cli\u003epython/cpython#20106\u003c/li\u003e\u003cli\u003epython/cpython#20151\u003c/li\u003e\u003cli\u003epython/cpython#20153\u003c/li\u003e\u003cli\u003epython/cpython#20296\u003c/li\u003e\u003cli\u003epython/cpython#20307\u003c/li\u003e\u003cli\u003epython/cpython#20367\u003c/li\u003e\u003cli\u003epython/cpython#20368\u003c/li\u003e\u003cli\u003epython/cpython#20973\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = \u003cDate 2020-06-19.07:54:58.363\u003e\ncreated_at = \u003cDate 2020-04-19.20:16:17.317\u003e\nlabels = ['type-feature', '3.9']\ntitle = 'PEP 617: new PEG-based parser'\nupdated_at = \u003cDate 2020-06-19.07:54:58.362\u003e\nuser = 'https://github.com/gvanrossum'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-06-19.07:54:58.362\u003e\nactor = 'lys.nikolaou'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2020-06-19.07:54:58.363\u003e\ncloser = 'lys.nikolaou'\ncomponents = []\ncreation = \u003cDate 2020-04-19.20:16:17.317\u003e\ncreator = 'gvanrossum'\ndependencies = []\nfiles = []\nhgrepos = []\nissue_num = 40334\nkeywords = ['patch']\nmessage_count = 110.0\nmessages = ['366803', '367009', '367050', '367057', '367059', '367060', '367061', '367063', '367064', '367066', '367067', '367068', '367069', '367071', '367073', '367075', '367076', '367084', '367097', '367105', '367112', '367113', '367114', '367115', '367121', '367126', '367135', '367136', '367137', '367139', '367140', '367141', '367142', '367155', '367158', '367160', '367170', '367171', '367190', '367191', '367196', '367237', '367243', '367246', '367439', '367440', '367448', '367467', '367470', '367471', '367473', '367474', '367521', '367564', '367576', '367577', '367580', '367582', '367598', '367602', '367610', '367637', '367713', '367772', '367815', '367822', '367835', '367836', '367839', '367840', '367843', '367845', '367850', '367854', '367862', '367866', '367891', '367914', '367916', '367974', '367976', '367978', '368004', '368034', '368288', '368302', '368304', '368329', '368330', '368566', '368567', '368593', '368595', '368598', '368599', '368663', '368796', '368892', '369090', '369166', '369203', '369288', '369536', '369553', '369554', '369837', '369840', '371841', '371842', '371848']\nnosy_count = 11.0\nnosy_names = ['gvanrossum', 'rhettinger', 'ned.deily', 'serhiy.storchaka', 'mbussonn', 'Anthony Sottile', 'lys.nikolaou', 'pablogsal', 'miss-islington', 'BTaskaya', 'hauntsaninja']\npr_nums = ['19503', '19664', '19666', '19667', '19669', '19670', '19668', '19671', '19672', '19675', '19684', '19692', '19694', '19695', '19704', '19721', '19723', '19736', '19743', '19744', '19745', '19771', '19774', '19775', '19778', '19779', '19780', '19782', '19786', '19818', '19827', '19828', '19830', '19833', '19837', '19839', '19849', '19854', '19865', '19887', '19911', '19962', '19963', '19964', '19966', '19969', '19973', '19987', '20003', '20020', '20050', '20076', '20106', '20151', '20153', '20296', '20307', '20367', '20368', '20973']\npriority = 'normal'\nresolution = 'fixed'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'enhancement'\nurl = 'https://bugs.python.org/issue40334'\nversions = ['Python 3.9']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/gvanrossum","@type":"Person","name":"gvanrossum"},"datePublished":"2020-04-19T20:16:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":110},"url":"https://github.com/84514/cpython/issues/84514"}

route-pattern/_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format)
route-controllervoltron_issues_fragments
route-actionissue_layout
fetch-noncev2:b8a19090-994c-423a-2c9b-6f4266d9f161
current-catalog-service-hash81bb79d38c15960b92d99bca9288a9108c7a47b18f2423d0f6438c5b7bcd2114
request-id81B0:130E82:A88360:E684FB:6969E9AF
html-safe-nonce0477f9d1e690ccb8f9f3b0871b71e28b89b405ed910970c76448de6d77a427e2
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4MUIwOjEzMEU4MjpBODgzNjA6RTY4NEZCOjY5NjlFOUFGIiwidmlzaXRvcl9pZCI6IjQyNTQ4OTUxNjY5OTc1MjI4NjMiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac7aff45f2ae5e432c55790f47f3faacf84a912b2f9a37256cb4b8015be33f22c6
hovercard-subject-tagissue:1199034671
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/84514/issue_layout
twitter:imagehttps://opengraph.githubassets.com/cd31902c774b8f6c535586074c32a636bae463407f2296eb3c7efadeec5ce769/python/cpython/issues/84514
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/cd31902c774b8f6c535586074c32a636bae463407f2296eb3c7efadeec5ce769/python/cpython/issues/84514
og:image:altBPO 40334 Nosy @gvanrossum, @rhettinger, @ned-deily, @serhiy-storchaka, @Carreau, @asottile, @lysnikolaou, @pablogsal, @miss-islington, @isidentical, @hauntsaninja PRs #19503#19664#19666#19667#1966...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamegvanrossum
hostnamegithub.com
expected-hostnamegithub.com
None7b32f1c7c4549428ee399213e8345494fc55b5637195d3fc5f493657579235e8
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
releasebdde15ad1b403e23b08bbd89b53fbe6bdf688cad
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/issues/84514#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fissues%2F84514
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
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
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
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/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%2Fissues%2F84514
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%2Fissues_fragments%2Fissue_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/issues/84514
Reloadhttps://github.com/python/cpython/issues/84514
Reloadhttps://github.com/python/cpython/issues/84514
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/issues/84514
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.1k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects 31 https://github.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/python/cpython/security
Please reload this pagehttps://github.com/python/cpython/issues/84514
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 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
New issuehttps://github.com/login?return_to=https://github.com/python/cpython/issues/84514
New issuehttps://github.com/login?return_to=https://github.com/python/cpython/issues/84514
PEP 617: new PEG-based parserhttps://github.com/python/cpython/issues/84514#top
3.9 (EOL)end of lifehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.9%20(EOL)%22
type-featureA feature request or enhancementhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-feature%22
https://github.com/gvanrossum
https://github.com/gvanrossum
gvanrossumhttps://github.com/gvanrossum
on Apr 19, 2020https://github.com/python/cpython/issues/84514#issue-1199034671
40334https://bugs.python.org/issue40334
@gvanrossumhttps://github.com/gvanrossum
@rhettingerhttps://github.com/rhettinger
@ned-deilyhttps://github.com/ned-deily
@serhiy-storchakahttps://github.com/serhiy-storchaka
@Carreauhttps://github.com/Carreau
@asottilehttps://github.com/asottile
@lysnikolaouhttps://github.com/lysnikolaou
@pablogsalhttps://github.com/pablogsal
@miss-islingtonhttps://github.com/miss-islington
@isidenticalhttps://github.com/isidentical
@hauntsaninjahttps://github.com/hauntsaninja
bpo-40334: PEP 617: New PEG parser for CPython #19503https://github.com/python/cpython/pull/19503
bpo-40334: Only run the CI with the new parser #19664https://github.com/python/cpython/pull/19664
bpo-40334: Fix errors in parse_string.c with old compilers #19666https://github.com/python/cpython/pull/19666
bpo-40334: Fix builds outside the source directory and regenerate autoconf files #19667https://github.com/python/cpython/pull/19667
bpo-40334: Improve various PEG-Parser related stuff #19669https://github.com/python/cpython/pull/19669
bpo-40334: Rename PyConfig.use_peg to _use_peg_parser #19670https://github.com/python/cpython/pull/19670
bpo-40334: Compile extensions in test_peg_generator with C99 #19668https://github.com/python/cpython/pull/19668
bpo-40334: Don't downcast from Py_ssize_t to int #19671https://github.com/python/cpython/pull/19671
bpo-40334: Fix build errors and warnings in test_peg_generator #19672https://github.com/python/cpython/pull/19672
bpo-40334: Suppress all output in test_peg_generator #19675https://github.com/python/cpython/pull/19675
bpo-40334: Allow to run make regen-pegen without distutils #19684https://github.com/python/cpython/pull/19684
bpo-40334: Use old compiler when compile mode is func_type #19692https://github.com/python/cpython/pull/19692
bpo-40334: Rewrite test_c_parser to avoid memory leaks #19694https://github.com/python/cpython/pull/19694
bpo-40334: Fix broken mkdir -p call in regen-pegen #19695https://github.com/python/cpython/pull/19695
bpo-40334: Add What's New sections for PEP 617 and PEP 585 #19704https://github.com/python/cpython/pull/19704
bpo-40334: Support CO_FUTURE_BARRY_AS_BDFL in the new parser #19721https://github.com/python/cpython/pull/19721
bpo-40334: Add tests/test_peg_generator to the install files target #19723https://github.com/python/cpython/pull/19723
bpo-40334: Support PyPARSE_DONT_IMPLY_DEDENT in the new parser #19736https://github.com/python/cpython/pull/19736
bpo-40334: Catch E_EOF error when the tokenizer returns ERRORTOKEN #19743https://github.com/python/cpython/pull/19743
bpo-40334: Don't skip test_parser:test_trigger_memory_error #19744https://github.com/python/cpython/pull/19744
bpo-40334: Refactor peg_generator to receive a Tokens file when building c code #19745https://github.com/python/cpython/pull/19745
bpo-40334: Fix shifting of nested fstrings #19771https://github.com/python/cpython/pull/19771
bpo-40334: Disallow invalid single statements in the new parser #19774https://github.com/python/cpython/pull/19774
bpo-40334: refactor and cleanup for the PEG generators #19775https://github.com/python/cpython/pull/19775
bpo-40334: Fix test_peg_parser to actually use the old parser #19778https://github.com/python/cpython/pull/19778
bpo-40334: Explicitly cast to int in pegen.c to fix a compiler warning #19779https://github.com/python/cpython/pull/19779
bpo-40334: Support type comments #19780https://github.com/python/cpython/pull/19780
bpo-40334: Improve column offsets for thrown syntax errors by Pegen #19782https://github.com/python/cpython/pull/19782
bpo-40334: Support Python 3.6 in the PEG generator #19786https://github.com/python/cpython/pull/19786
bpo-40334: Simplify type handling in the PEG c_generator #19818https://github.com/python/cpython/pull/19818
bpo-40334: Add support for feature_version in new PEG parser #19827https://github.com/python/cpython/pull/19827
bpo-40334: Ensure that tok->type_comments is set on every path #19828https://github.com/python/cpython/pull/19828
bpo-40334: Refactor lambda_parameters similar to parameters #19830https://github.com/python/cpython/pull/19830
bpo-40334: Correct return value of func_type_comment #19833https://github.com/python/cpython/pull/19833
bpo-40334: unskip test_function_type in test_unparse with the new parser #19837https://github.com/python/cpython/pull/19837
bpo-40334: Make the PyPegen* and PyParser* APIs more consistent #19839https://github.com/python/cpython/pull/19839
bpo-40334: use the TOKENS file when checking dangling rules #19849https://github.com/python/cpython/pull/19849
bpo-40334: regenerate metaparser as part of regen-all #19854https://github.com/python/cpython/pull/19854
bpo-40334: Spacialized error message for invalid args after bare '*' #19865https://github.com/python/cpython/pull/19865
bpo-40334: Set error_indicator in _PyPegen_raise_error #19887https://github.com/python/cpython/pull/19887
bpo-40334: produce specialised errors for del #19911https://github.com/python/cpython/pull/19911
bpo-40334: Fix error location upon parsing an invalid string literal #19962https://github.com/python/cpython/pull/19962
bpo-40334: Add type to the assignment rule in the grammar file #19963https://github.com/python/cpython/pull/19963
bpo-40334: Allow trailing comma in parenthesized context managers #19964https://github.com/python/cpython/pull/19964
bpo-40334: Generate comments in the parser code to improve debugging #19966https://github.com/python/cpython/pull/19966
bpo-40939: Add the new grammar to the grammar specification documentation #19969https://github.com/python/cpython/pull/19969
bpo-40334: Error message for invalid default args in function call #19973https://github.com/python/cpython/pull/19973
bpo-40334: Avoid collisions between parser variables and grammar variables #19987https://github.com/python/cpython/pull/19987
bpo-40334: Improvements to error-handling code in the PEG parser #20003https://github.com/python/cpython/pull/20003
bpo-40334: Do not show error caret if RAISE_SYNTAX_ERROR_NO_COL_OFFSE… #20020https://github.com/python/cpython/pull/20020
bpo-40334: Always show the caret on SyntaxErrors #20050https://github.com/python/cpython/pull/20050
bpo-40334: Correctly identify invalid target in assignment errors #20076https://github.com/python/cpython/pull/20076
bpo-40334: Produce better error messages on invalid targets #20106https://github.com/python/cpython/pull/20106
bpo-40334: Reproduce error message for type comments on bare '*' #20151https://github.com/python/cpython/pull/20151
bpo-40334: Produce better error messages for non-parenthesized genexps #20153https://github.com/python/cpython/pull/20153
bpo-40334: Correctly generate C parser when assigned var is None #20296https://github.com/python/cpython/pull/20296
[3.9] bpo-40334: Produce better error messages for non-parenthesized genexps (GH-20153) #20307https://github.com/python/cpython/pull/20307
bpo-40334: Support suppressing of multiple optional variables in Pegen #20367https://github.com/python/cpython/pull/20367
[3.9] bpo-40334: Support suppressing of multiple optional variables in Pegen (GH-20367) #20368https://github.com/python/cpython/pull/20368
[3.9] bpo-40334: Produce better error messages on invalid targets (GH-20106) #20973https://github.com/python/cpython/pull/20973
3.9 (EOL)end of lifehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.9%20(EOL)%22
type-featureA feature request or enhancementhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-feature%22
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.