Address automated code audit results#502

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jamadden merged 17 commits intomasterfrom

devdanzin-audit

Apr 4, 2026

Commits on Apr 1, 2026

greenlet_refs: Replace PyModule_AddObject with safer alternatives (PyModule_AddObjectRef and PyModule_AddIntConstant). This fixes an improper DECREF on error.
jamadden
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TPythonState: Comments around, and more defensive handling of, tstate->delete_later. Also re-enable the trashcan test on 3.13+ as a simple smoke test.
jamadden
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TPythonState set_initial_state: Copy c_stack_refs like we do in operator<<.
jamadden
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TPythonState set_initial_state: Set c_recursion_depth the same way operator<< does.
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greenlet.cpp: Extra safety creating CLOCKS_PER_SEC and adding items to the greenlet type's dict.
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TPythonState: Comment on why we don't visit delete_later. Basically, it's already been done.
jamadden
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Commits on Apr 2, 2026

Commits on Apr 4, 2026

Change note for #502; bump minor version because of potential API changes during shutdown (#499)
jamadden
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