[Python-Dev] Re: subinterpreters and their possible impact on large extension projects

2021年12月16日 10:44:16 -0800

On Thu, Dec 16, 2021 at 4:34 AM Antoine Pitrou <[email protected]> wrote:
> As a data point, in PyArrow, we have a bunch of C++ code that interacts
> with Python but doesn't belong in a particular Python module. That C++
> code can of course have global state, including perhaps Python objects.
Thanks for that example!
> What might be nice would be a C API to allow creating interpreter-local
> opaque structs, for example:
>
> void* Py_GetInterpreterLocal(const char* unique_name);
> void* Py_SetInterpreterLocal(const char* unique_name,
> void* ptr, void(*)() destructor);
That's interesting. I can imagine that as just a step beyond the
module state API, with the module being implicit. Do you think this
would be an improvement over using module state? (I'm genuinely
curious.)
-eric
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