> Perhaps another approach would be to make a more general purpose warning decorator, that would give a warning when invoking a function or instantiating a class. It could be used for deprecation notices, of course, but has the potential for tooling to give other types of warnings, such as using a thread unsafe call in a threading context.

What about "mark"

import mark

@mark.deprecated

@mark.slow

@mark.thread_unsafe

@mark.insecure

On Thu, Jul 29, 2021, 5:26 PM Leonardo Freua <leonardo.batista.freua@gmail.com> wrote:

Hi Sergei, I really thought your proposal was very good, in fact, it's quite complete with examples in libraries that I didn't even know implement a depreciation API.

Thanks for the contribution.
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