[Python-Dev] ctypes: is it intentional that id() is the only way to get the address of an object?

Steven D'Aprano steve at pearwood.info
Fri Jan 18 05:51:09 EST 2019

Thanks for the detailed answer. A further question below.

On Thu, Jan 17, 2019 at 07:50:51AM -0600, eryk sun wrote:
> On 1/17/19, Steven D'Aprano <steve at pearwood.info> wrote:
> >
> > I understand that the only way to pass the address of an object to
> > ctypes is to use that id. Is that intentional?
> It's kind of dangerous to pass an object to C without an increment of
> its reference count.

"Kind of dangerous?" How dangerous?

If I am reading this correctly, I think you are saying that using id() 
in this way is never(?) correct.


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