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bpo-46417: Finalize structseq types at exit (GH-30645)

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Add _PyStructSequence_FiniType() and _PyStaticType_Dealloc()
functions to finalize a structseq static type in Py_Finalize().
Currrently, these functions do nothing if Python is built in release
mode.

Clear static types:

* AsyncGenHooksType: sys.set_asyncgen_hooks()
* FlagsType: sys.flags
* FloatInfoType: sys.float_info
* Hash_InfoType: sys.hash_info
* Int_InfoType: sys.int_info
* ThreadInfoType: sys.thread_info
* UnraisableHookArgsType: sys.unraisablehook
* VersionInfoType: sys.version
* WindowsVersionType: sys.getwindowsversion()
This commit is contained in:
Victor Stinner 2022-01-21 01:42:25 +01:00 • committed by GitHub
parent 27df7566bc
commit e9e3eab0b8
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17 changed files with 230 additions and 2 deletions
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6
Python/pylifecycle.c
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@ -1666,11 +1666,17 @@ flush_std_files(void)
static void
finalize_interp_types(PyInterpreterState *interp)
{
_PySys_Fini(interp);
_PyExc_Fini(interp);
_PyFrame_Fini(interp);
_PyAsyncGen_Fini(interp);
_PyContext_Fini(interp);
_PyFloat_FiniType(interp);
_PyLong_FiniTypes(interp);
_PyThread_FiniType(interp);
_PyErr_FiniTypes(interp);
_PyTypes_Fini(interp);
// Call _PyUnicode_ClearInterned() before _PyDict_Fini() since it uses
// a dict internally.
_PyUnicode_ClearInterned(interp);