GV

GeezerVison

The World Wide Web, restored to 800 pixels of glory.

Home|About|Gaming cabinet|Archives|How it works|Starter sites

On this site

  • Sign in
  • ActionsCI/CD and automation
  • CodespacesCloud development environments
  • All Features
  • Documentation
  • Training
  • Certifications
  • Build with Copilot
  • Customize Copilot
  • Integrations
  • Trending repos
  • GitHub Sponsors
  • Developer articles
  • Enterprises

This view

  • Original page
  • New address

GeezerVison is showing github.com — gh-158001: No longer read global config vars in PyConfig_Read() by vstinner · Pull Request #158014 · python/cpython

Conversation

@vstinner

@vstinner vstinner commented Sep 23, 2026 •
edited by bedevere-app Bot
Loading

Uh oh!

There was an error while loading. Please reload this page.

Copy link
Copy Markdown
Member

PyConfig_Read() and _PyPreConfig_Read() no longer read global config variables (such as Py_BytesWarningFlag). Instead, PyConfig_Read() now copies PyPreConfig members (isolated, use_environment and dev_mode).

_PyPreConfig_Read() still reads the last global configuration variable: Py_UTF8Mode.

  • Issue: C API: Remove deprecated API to configure Python initialization #158001

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
All reactions
@vstinner
pythongh-158001: No longer read global config vars in PyConfig_Read()
d7e1d66 
PyConfig_Read() and _PyPreConfig_Read() no longer read global config
variables (such as Py_BytesWarningFlag). Instead, PyConfig_Read() now
copies PyPreConfig members (isolated, use_environment and dev_mode).

_PyPreConfig_Read() still reads the last global configuration
variable: Py_UTF8Mode.
@vstinner
vstinner requested a review from ericsnowcurrently as a code owner September 23, 2026 17:15
@vstinner vstinner added the skip news label Sep 23, 2026
@vstinner
vstinner requested a review from FFY00 as a code owner September 23, 2026 17:15
@bedevere-app bedevere-app Bot mentioned this pull request Sep 23, 2026
C API: Remove deprecated API to configure Python initialization #158001
Closed
@bedevere-app bedevere-app Bot added the awaiting core review label Sep 23, 2026
@vstinner
vstinner merged commit 2f5791d into python:main Sep 23, 2026
56 checks passed

Uh oh!

There was an error while loading. Please reload this page.
@vstinner
vstinner deleted the config_remove_global branch September 23, 2026 19:21
@bedevere-app bedevere-app Bot removed the awaiting core review label Sep 23, 2026
@vstinner vstinner mentioned this pull request Sep 23, 2026
gh-158001: Remove global configuration variables from C API #158020
Merged
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@ericsnowcurrently ericsnowcurrently Awaiting requested review from ericsnowcurrently ericsnowcurrently is a code owner
@FFY00 FFY00 Awaiting requested review from FFY00 FFY00 is a code owner

Uh oh!

There was an error while loading. Please reload this page.

Assignees

No one assigned

Labels

skip news

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

Uh oh!

There was an error while loading. Please reload this page.

1 participant

@vstinner
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
You are visitor 01402503 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.