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gh-105020: Share tp_bases and tp_mro Between Interpreters For All Static Builtin Types #105115

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Merged
ericsnowcurrently merged 8 commits into from
May 31, 2023
Merged

gh-105020: Share tp_bases and tp_mro Between Interpreters For All Static Builtin Types #105115

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7c3e588
Make tp_bases immortal for static builtin types.
ericsnowcurrently May 30, 2023
ff411b2
Add _Py_ClearImmortal().
ericsnowcurrently May 30, 2023
354ff5f
Drop PyInterpreterState.types.builtins[i].tp_bases.
ericsnowcurrently May 30, 2023
5be53f4
Make sure tp_bases is a tuple.
ericsnowcurrently May 30, 2023
bf1578e
Make tp_mro immortal for static builtin types.
ericsnowcurrently May 30, 2023
f4a5da1
Update a TODO comment.
ericsnowcurrently May 30, 2023
e054bbe
Add a test to avoid more regressions.
ericsnowcurrently May 30, 2023
78c7d0e
Add a NEWS entry.
ericsnowcurrently May 30, 2023
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Drop PyInterpreterState.types.builtins[i].tp_bases.
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@ericsnowcurrently
ericsnowcurrently committed May 30, 2023
commit 354ff5f6d9de6f01a5d79ec0e4db3f323a162059
1 change: 0 additions & 1 deletion Include/internal/pycore_typeobject.h
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Expand Up @@ -49,7 +49,6 @@ typedef struct {
// XXX tp_dict, tp_bases, and tp_mro can probably be statically
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@gpshead gpshead May 30, 2023

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should this comment (added by the original PR) be updated now that bases and mro don't exist here?

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@ericsnowcurrently ericsnowcurrently May 30, 2023

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fixed

// allocated, instead of dynamically and stored on the interpreter.
PyObject *tp_dict;
PyObject *tp_bases;
PyObject *tp_mro;
PyObject *tp_subclasses;
/* We never clean up weakrefs for static builtin types since
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