Are there any exceptions? In the discussion about PyCode_New we've come to
the conclusion that keeping it and PyCode_NewWithPosArgs around is going to
be impossible to support, and we've found the few users of that API
(Cython) supportive of changing it incompatibly.

On Thu, Sep 2, 2021 at 3:56 AM Łukasz Langa <luk...@langa.pl> wrote:

> Hi there,
> I noticed some deprecation activity this week. Nice! I'd just like to
> remind everyone that we have a policy for that described in PEP 387
> <https://www.python.org/dev/peps/pep-0387/>  It's a very short PEP so I
> recommend you read it in its entirety. The important piece I want to
> highlight is that we cannot deprecate a feature in one release and remove
> it in the next one. We need at least two releases with the warning.
>
> Relevant quotes:
>
> Python's yearly release process (PEP 602
> <https://www.python.org/dev/peps/pep-0602>) means that the deprecation
> period must last at least two years.
>
>
> and:
>
> Wait for the warning to appear in at least two minor Python versions of
> the same major version, or one minor version in an older major version
> (e.g. for a warning in Python 3.10, you either wait until at least Python
> 3.12 or Python 4.0 to make the change). It's fine to wait more than two
> releases.
>
>
> Since this PEP is easy to miss, I linked it to the docs of
> DeprecationWarning in GH-28123
> <https://github.com/python/cpython/pull/28123>.
>
> Cheers,
> Ł
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