Recently I needed to do just that on an API and went with the decorator
approach.
Having this on the stdlib would be nice, and we can make it more powerful
than just raising a warning. For instance, we could attach a `deprecated =
True`
to the function object so that framework authors can use that to handle
depreciation as well - think flask endpoints.
Another option is to have an `alternative` optional kwarg in the decorator,
something like
def new_function():
....
@deprecated(alternative=new_function)
def old_function():
...
This would raise a warning stating that `new_function` should be used
in the place of `old_function`
[image: --]
*Felipe* Bidu *(Felipe Rodrigues)*
[image: https://]*https://felipevr.com*
<https://felipevr.com>
On Fri, Jul 30, 2021 at 9:22 AM Jack DeVries <jdevries3...@gmail.com> wrote:
> > 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.fr...@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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