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Implement PEP 799 – A dedicated profiling package for organizing Python profiling tools

15

Issue to collect all PRs for the implementation of PEP-799 ### Linked PRs * gh-138142 * gh-138389 * gh-139216 * gh-140156 * gh-141813 * gh-141897 * gh-141900 * gh-141912 *...

pablogsal

gh-137716: TracebackException to handle messages with punctuation

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Added extra handling for error messages with punctuation to avoid double punctuations and eliminated code duplication * Issue: gh-137716

krisztian-gajdar

`multiprocessing.Queue`: Exceeding a certain amount of bytes in the queue prevents proper exit

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# Bug report ### Bug description: This terminates properly: ```python from multiprocessing import Queue Queue().put(b"0" * 65514) print("end") ``` while this prints 'end' and is then stuck: ```python from multiprocessing...

ebonnal

Add `timeout` to multiprocessing.queues.JoinableQueue.join

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# Feature or enhancement A number of `join` methods, such as on Process, expose a timeout option. This allows for "let child process compute, but in case of it crashing...

tmi

Correctly fold unknown-8bit originating from encoded words.

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The unknown-8bit trick was designed to deal with unknown bytes in an ASCII message, and it works fine for that. However, I also tried to extend it to handle bytes...

bitdancer

Change RLock from factory function to actual type, remove dead Python RLock implementation

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# Feature or enhancement ### Proposal: Currently in CPython `threading.RLock` is a factory function that returns a new `RLock` instance. It either returns an instance of `_CRLock`, if it's defined,...

larryhastings

gh-142776: Ensure fp file descriptor is closed on all code paths in import.c

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* Issue: gh-142776

stratakis

Use-after-free in `itertools.zip_longest_next/islice/batched` via re-entrant iterator

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### What happened? In `zip_longest_next`, each entry is read from `lz->ittuple` then `PyIter_Next` runs, but a crafted iterator reenters `zip_longest_next`, trips the cleanup path for the same slot, and decrements...

jackfromeast

gh-134160: Start "Extending and embedding" with a Diataxis-style tutorial

3

The "[Extending and embedding](https://docs.python.org/3/extending/index.html)" section of the docs starts with a "tutorial", which is now outdated (it uses soft-deprecated API), but it also doesn't quite work as a tutorial (in...

encukou

SIGSEV in `datetime.timedelta` (possibly from datetime's C `delta_new`)

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# Crash report ### What happened? I was testing some AI code with ollama and stumbled across a really weird crash. The fact that it happens during an IndexError and...

Jacoblightning