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Python developers discuss a phased path for Rust in CPython

blog.python.org 7 min read Editor score 6/10

The Rust for CPython team is seeking core developers’ input on proposed phases, timelines, and success criteria for making the project a permanent part of CPython. The discussion is relevant to teams weighing Rust integration into mature codebases.

What

Rust for CPython is a proposal to make Rust a permanent part of CPython through staged adoption.

How

Distributors would try optional Rust support in Python 3.16 and report platform issues for resolution around Python 3.17.

Why it matters

Porting small portions incrementally could address some crash-prone code while limiting disruption to a million-line C codebase.

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