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gh-132502: Implements PEP-830 adding timestamps to tracebacks - #129337

Draft

gpshead wants to merge 80 commits into

python:mainfrom

gpshead:traceback-timestamps

Draft

gh-132502: Implements PEP-830 adding timestamps to tracebacks#129337
gpshead wants to merge 80 commits into
python:mainfrom
gpshead:traceback-timestamps

Commits on Jan 27, 2025
- Proof of concept: Add timestamps to tracebacks.
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- `PYTHON_TRACEBACK_TIMESTAMPS=1` required to enable their display.
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Commits on Jan 28, 2025
- skip timestamp on StopIteration - not an error
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- include the timestamp in exception pickles.
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Commits on Jan 30, 2025
- os.environ not os.environb
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Commits on Feb 2, 2025
- Cleaner struct layout.
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- Timestamp format configurability.
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- Plumb into exception subtypes; including pickling.
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- minor cleanups
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- initial pass at documentation.
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- Fix doc references?
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- proper refcount cleanup in error cases.
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Commits on Feb 9, 2025
- Merge branch 'main' into traceback-timestamps
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Commits on Feb 10, 2025
- Allow `PyErr_Display*` to emit timestamps as well.
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- Make the testsuite pass with timestamps turned on.
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- Docs docs docs docs docs
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- docs make check
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- docs typo
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- GIT
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- docs: reword exceptions
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- vi PEBKAC reformatted traceback.rst? undo
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- more formatting messup undo
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- more undo
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- reword some docs, add examples
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- REDO BEFORE MERGE: enable on some CI builds
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Commits on Feb 26, 2025
- Go full on -X traceback_timestamps command line flag.
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Commits on Mar 2, 2025
- Disable time collection when display is disabled.
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- remove errant Doc temp db file
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Commits on Mar 7, 2025
- WIP: optional config string
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- WIP: no dict key for reduce when 0
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Commits on Apr 13, 2025
- Merge branch 'main' into traceback-timestamps
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Commits on Apr 14, 2025
- simplify `iso` format to not use datetime
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- minor cleanups
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- post merge fixups
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- fix stripping tests
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- test fixing when timestamps enabled
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- lets run CI on more platforms with it enabled
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- duh why did my compiler allow that?
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- fix windows errors?
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- force_not_colorized
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- force utf8 for the entire test class
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- waste time dealing with bad unicode test env. life
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- alignment SCIENCE
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- errors="ignore" chicanery decode
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- Fix traceback_timestamps tests for cross-platform line endings
  
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- (╯°□°)╯︵ ┻━┻ Windows
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- pedantic-NotIn-too
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Commits on May 24, 2025
- Merge origin/main into traceback-timestamps
  
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- Fix failing tests when traceback timestamps are enabled
  
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- Add comprehensive tests for traceback timestamps feature
  
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- Reduce duplication in traceback timestamps tests
  
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- ruff format the tests
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- Optimize exception pickle sizes when timestamps are disabled
  
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- TESTSUBDIRS += our new dir for test_tools
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Commits on May 25, 2025
- shakes fist at trailing spaces from claude
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Commits on Jun 8, 2025
- Merge branch 'main' into traceback-timestamps
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- pre-commit import fixes
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- Complete traceback timestamps test coverage gaps
  
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- 📝 Address PR code review comments for documentation and formatting
  
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- Remove redundant no_color() context manager
  
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Commits on Mar 15, 2026
- Merge branch 'main' into traceback-timestamps
  
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- undo errant increase in sys.flags tuple fields from the lazy_imports PR and mention that in a comment to avoid it recurring
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- ubuntu 24.04 not 22.04
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- docs: address review comments
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- adjust test for sys.flags to match limit
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- strip timestamps in a new test_repl test
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- Add PYTHON_TRACEBACK_TIMESTAMPS to --help-env output
  
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- NEWS entry
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- Merge branch 'main' into traceback-timestamps
  
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- Merge branch 'main' into traceback-timestamps
  
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- Remove incorrect "default if no value provided" from timestamp docs
  
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- Greatly simplify test_traceback_timestamps
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- inherit -X traceback_timestamps in multiprocessing spawned children
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Commits on Mar 16, 2026
- test that -X traceback_timestamps goes to spawned pythons
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- don't let strip_exc_timestamps be conditional, it processes data from other processes in tests as well
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- fix xoptions help sort order
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- CI fix: windows line endings bring joy
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Commits on Apr 12, 2026
- correct pep number, I gave barry 829
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- Merge origin/main into traceback-timestamps
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Commits on Apr 19, 2026
- PEP 830: apply round-2 feedback
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Commits

Commits on Jan 27, 2025

Commits on Jan 28, 2025

Commits on Jan 30, 2025

Commits on Feb 2, 2025

Commits on Feb 9, 2025

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Commits on Feb 26, 2025

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Commits on Mar 15, 2026

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Commits on Apr 19, 2026