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bpo-46417: Clear Unicode static types at exit (GH-30806)

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Add _PyUnicode_FiniTypes() function, called by
finalize_interp_types(). It clears these static types:

* EncodingMapType
* PyFieldNameIter_Type
* PyFormatterIter_Type

_PyStaticType_Dealloc() now does nothing if tp_subclasses
is not NULL.
This commit is contained in:
Victor Stinner 2022-01-22 22:55:39 +01:00 • committed by GitHub
parent 621a45ccac
commit 1626bf4ac7
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6 changed files with 25 additions and 22 deletions
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4
Objects/object.c
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@ -1994,10 +1994,6 @@ _PyTypes_FiniTypes(PyInterpreterState *interp)
// their base classes.
for (Py_ssize_t i=Py_ARRAY_LENGTH(static_types)-1; i>=0; i--) {
PyTypeObject *type = static_types[i];
// Cannot delete a type if it still has subclasses
if (type->tp_subclasses != NULL) {
continue;
}
_PyStaticType_Dealloc(type);
}
}