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[Python-Dev] Procedure for adding new public C API


On 21 May 2018 at 14:42, Serhiy Storchaka <storchaka at gmail.com> wrote:
>> Is it even acceptable to add a symbol into the limited ABI? I thought
>> the idea was that if I linked with python3.dll, my code would work
>> with any version of Python 3? By introducing new symbols, code linked
>> with the python3.dll shipped with (say) Python 3.8 would fail to run
>> if executed with the python3.dll from Python 3.5.
>
> The limited API is versioned. If you use only Python 3.5 API (define
> Py_LIMITED_API to 0x03050000), the built code will be expected to work on
> 3.5 and later. In theory.

Thanks, I'd missed that point (I need to go and check my build
process, in that case :-)).

Paul