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The Python programming language

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Loading a small data which does not even involve arbitrary code execution could consume arbitrary large amount of memory. There were three issues: * PUT and LONG_BINPUT with large argument...

awaiting core review
needs backport to 3.12
needs backport to 3.13

# Feature or enhancement Creating a Python string object in an efficient way is complicated. Python has **private** `_PyUnicodeWriter` API. It's being used by these projects: Affected projects (5): *...

type-feature
topic-C-API

Move the private _PyUnicodeWriter API to the internal C API. * Issue: gh-119182

topic-C-API

* Issue: gh-105812 ---- 📚 Documentation preview 📚: https://cpython-previews--118743.org.readthedocs.build/

awaiting core review
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Users who don't have a github login are instructed to report issues to [email protected]. I meant to do some triaging before converting the mails to GH issues, but always had...

docs
easy

The coverage report indicates that this branch is never exercised. That appears to be because it is unused code. When I couldn't produce a test case that exercised it, I...

awaiting review

---- 📚 Documentation preview 📚: https://cpython-previews--119225.org.readthedocs.build/

docs
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awaiting core review
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needs backport to 3.12
needs backport to 3.13

# Feature or enhancement ### Proposal: Over the last few years, Trio and AnyIO users have proven out several design patterns using [channels as async iterables](https://trio.readthedocs.io/en/stable/reference-core.html#using-channels-to-pass-values-between-tasks). For example, having a...

type-feature
topic-asyncio

* Issue: gh-119053

awaiting merge
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topic-free-threading
needs backport to 3.13