On 2021-01-12, Victor Stinner wrote:
> It seems like a safer approach is to continue the work on
> bpo-40077: "Convert static types to PyType_FromSpec()".
I agree that trying to convert static types is a good idea. Another
possible bonus might be that we can gain some performance by
integrating garbage collection with the Python object memory
allocator. Static types frustrate that effort.
Could we have something easier to use than PyType_FromSpec(), for
the purposes of coverting existing code? I was thinking of
something like:
static PyTypeObject Foo_TypeStatic = {
}
static PyTypeObject *Foo_Type;
PyInit_foo(void)
{
Foo_Type = PyType_FromStatic(&Foo_TypeStatic);
}
The PyType_FromStatic() would return a new heap type, created by
copying the static type. The static type could be marked as being
unusable (e.g. with a type flag).
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