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GeezerVison is showing github.com — gh-158080: Py_InitializeFromConfig() no longer exits Python by vstinner · Pull Request #158085 · python/cpython

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@vstinner

@vstinner vstinner commented Sep 24, 2026 •
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If a command line option wants to exit Python, move this option processing from PyConfig_Read() to Py_Main(). So
Py_InitializeFromInitConfig() and Py_InitializeFromConfig() can no longer return an exit code.

Deprecate PyInitConfig_GetExitCode(), PyStatus_Exit(), and PyStatus_IsExit()
functions, and PyStatus.exitcode member.

Renumber getopt.c long options to start at 1, instead of 0.

  • Issue: C API: No longer exit Python in Py_InitializeFromConfig() #158080

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@vstinner
pythongh-158080: Py_InitializeFromConfig() no longer exits Python
2a92baf 
If a command line option wants to exit Python, move this option
processing from PyConfig_Read() to Py_Main(). So
Py_InitializeFromInitConfig() and Py_InitializeFromConfig() can no
longer return an exit code.

Renumber getopt.c long options to start at 1, instead of 0.
@vstinner
vstinner requested review from AA-Turner, FFY00, ZeroIntensity and ericsnowcurrently as code owners September 24, 2026 13:36
@bedevere-app bedevere-app Bot mentioned this pull request Sep 24, 2026
C API: No longer exit Python in Py_InitializeFromConfig() #158080
Closed
@bedevere-app bedevere-app Bot added the awaiting core review label Sep 24, 2026
@read-the-docs-community

read-the-docs-community Bot commented Sep 24, 2026 •
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Documentation build overview

📚 cpython-previews | 🛠️ Build #34756872 | 📁 Comparing 665be15 against main (a5a4659)

  🔍 Preview build  

13 files changed · ± 13 modified

± Modified

  • c-api/init_config.html
  • c-api/interp-lifecycle.html
  • c-api/module.html
  • c-api/stable.html
  • deprecations/c-api-pending-removal-in-future.html
  • deprecations/index.html
  • howto/remote_debugging.html
  • library/turtle.html
  • whatsnew/3.12.html
  • whatsnew/3.13.html
  • and 3 more...
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vstinner added 4 commits September 24, 2026 16:28
@vstinner
Update test_embed
674ce04
@vstinner
Merge branch 'main' into defer_option
3a5ae3e
@vstinner
Fix python -VV
f01c750 
* Make test_cmd_line.test_version() stricter
* Adjust documentation.
@vstinner
Update doc/comments
665be15
@vstinner
vstinner enabled auto-merge (squash) September 25, 2026 11:01
@vstinner
vstinner merged commit fe7717c into python:main Sep 25, 2026
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@vstinner
vstinner deleted the defer_option branch September 25, 2026 11:34
@bedevere-app bedevere-app Bot removed the awaiting core review label Sep 25, 2026
@davidnich davidnich mentioned this pull request Oct 23, 2026
C API: copying a PyStatus emits -Wdeprecated-declarations in C++ with clang since gh-158080 #160436
Open
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@ericsnowcurrently ericsnowcurrently Awaiting requested review from ericsnowcurrently ericsnowcurrently is a code owner
@ZeroIntensity ZeroIntensity Awaiting requested review from ZeroIntensity ZeroIntensity is a code owner
@FFY00 FFY00 Awaiting requested review from FFY00 FFY00 is a code owner
@AA-Turner AA-Turner Awaiting requested review from AA-Turner AA-Turner is a code owner

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@vstinner
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