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devel / comp.lang.python / Re: Segfault after deepcopy in a C extension

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o Re: Segfault after deepcopy in a C extensionChris Angelico

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Re: Segfault after deepcopy in a C extension

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Subject: Re: Segfault after deepcopy in a C extension
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 by: Chris Angelico - Mon, 31 Jan 2022 21:59 UTC

On Tue, 1 Feb 2022 at 08:54, Marco Sulla <Marco.Sulla.Python@gmail.com> wrote:
> PyObject* d = PyDict_New();
> args = PyTuple_New(2);
> PyTuple_SET_ITEM(args, 0, d);
> PyTuple_SET_ITEM(args, 1, memo);
> Py_DECREF(d);
>

https://docs.python.org/3/c-api/tuple.html#c.PyTuple_SET_ITEM

SET_ITEM steals a reference, so you'll need to not also decref the
dict yourself.

ChrisA

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