gh-84436: Improve Immortalization for Builtin Types by ericsnowcurrently · Pull Request #103823 · python/cpython · GitHub

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Fixing Copy on Writes from reference counting and immortal objects #84436

Immortalize in _PyStructSequence_InitBuiltinWithFlags().

awaiting core review

Un-initialize the builtin structseq types.

Immortalize tp_dict, tp_bases, and tp_mro for builtin static types.

Do the work in _PyStaticType_InitBuiltin().

Add _Py_EnsureImmortal() and _Py_ImmortalObjectsFini().

Recursively immortalize.

gh-84436: Immortalize in _PyStructSequence_InitBuiltinWithFlags() #103817

🔨 test-with-buildbots

gh-94673: More Per-Interpreter Fields for Builtin Static Types #103912

: More Per-Interpreter Fields for Builtin Static Types (

github-actions Bot commented Apr 12, 2026

This PR is stale because it has been open for 30 days with no activity.