Python 3.8 new deprecations

Robin Becker robin at reportlab.com
Tue May 21 12:56:03 EDT 2019


Thanks for letting me know.

On Tue, 21 May 2019, 17:04 Inada Naoki, <songofacandy at gmail.com> wrote:

> I plan to remove int support in Python 3.10.
>
> If this warning is ignored, the extension module will be broken silently
> from 3.10.
> It is because C is not typesafe here.
>
> Regards,
>
>
> 2019年5月22日(水) 0:56 Robin Becker <robin at reportlab.com>:
>
>> Marius Gedminas has kindly been doing some work with reportlab and python
>> 3.8a1
>>
>> He reports this new deprecation warning from a c extension build
>>
>> DeprecationWarning: PY_SSIZE_T_CLEAN will be required for '#' formats
>>
>> Currently we build the extensions for 2.7 3.4-3.7 Windows 32 & 64 MacOS
>> and linux.
>>
>> His patch is changing several ints to Py_ssize_t after defining
>> PY_SSIZE_T_CLEAN.
>>
>> Can anyone say which versions/runtimes this is needed for or can I just
>> assume it has no effect in early versions.
>> --
>> Robin Becker
>>
>> --
>> https://mail.python.org/mailman/listinfo/python-list
>>
>


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