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Title: Revamp `sys.lazy_modules` · Issue #148587 · python/cpython · GitHub

Open Graph Title: Revamp `sys.lazy_modules` · Issue #148587 · python/cpython

X Title: Revamp `sys.lazy_modules` · Issue #148587 · python/cpython

Description: Documentation or make it private, or make it private but expose a mappingproxy. What are your preferences? I presume that the PEP must be updated as well (see #145057). cc @pablogsal @DinoV Linked PRs gh-149408 gh-150014 gh-150086 gh-150...

Open Graph Description: Documentation or make it private, or make it private but expose a mappingproxy. What are your preferences? I presume that the PEP must be updated as well (see #145057). cc @pablogsal @DinoV Linked ...

X Description: Documentation or make it private, or make it private but expose a mappingproxy. What are your preferences? I presume that the PEP must be updated as well (see #145057). cc @pablogsal @DinoV Linked ...

Opengraph URL: https://github.com/python/cpython/issues/148587

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Revamp sys.lazy_moduleshttps://github.com/python/cpython/issues/148587#top
https://github.com/johnslavik
3.15pre-release feature fixes, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
deferred-blockerhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22deferred-blocker%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
topic-lazy-importshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-lazy-imports%22
type-featureA feature request or enhancementhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-feature%22
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on Apr 14, 2026https://github.com/python/cpython/issues/148587#issue-4265366089
#145057https://github.com/python/cpython/issues/145057
@pablogsalhttps://github.com/pablogsal
@DinoVhttps://github.com/DinoV
gh-148587: Make sys.lazy_modules immutable #149408https://github.com/python/cpython/pull/149408
[3.15] gh-148587: Make sys.lazy_modules match PEP and keep internal lazy submodules tra… #150014https://github.com/python/cpython/pull/150014
gh-148587: Make sys.lazy_modules match PEP and keep internal lazy submodules tracking internal #150086https://github.com/python/cpython/pull/150086
gh-148587: Document sys.lazy_modules #150742https://github.com/python/cpython/pull/150742
[3.15] gh-148587: Document sys.lazy_modules (GH-150742) #150795https://github.com/python/cpython/pull/150795
johnslavikhttps://github.com/johnslavik
3.15pre-release feature fixes, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
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interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
topic-lazy-importshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-lazy-imports%22
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