[Biopython] When to drop Python 3.6 support?

[João Rodrigues]

I use conda exclusively since a few years now. With its ubiquity and
simplicity of installation on a user's home directory even on clusters, I
don't see why we should keep supporting it.

A terça, 10/11/2020, 01:51, Peter Cock <p.j.a.cock at googlemail.com> escreveu:

> Hello all,
>
> We'll probably want to make the Biopython 1.79 release in the next
> month or so, which would be before Python 3.9 is officially released.
> If it all seems to work, we could add a Python 3.9 wheel for Biopython 1.79
> later, otherwise we'd aim to officially support it in our subsequent
> release.
>
> That would leave us targeting Python 3.6, 3.7, 3.8 and 3.9, which starts
> to be a burden for continuous integration testing.
>
> I note that Python 3.6 has now been dropped from NumPy 1.20. It would be
> good to start preparing to drop Python 3.6 support in Biopython. According
> to https://www.python.org/downloads/ and also PEP494, Python will end
> support for Python 3.6 in December 2021, about a year away.
>
> Are there any major platforms (e.g. popular Linux distributions) where the
> default is Python 3.6 where our users might be inconvenienced? Personally
> I switched to using conda (with conda-forge and bioconda) a while back, and
> their default Python is quite up to date - so I don't usually worry about
> the
> system provided Python anymore.
>
> I note that PyPy currently implements Python 3.6.9, but they already have
> Python 3.7 support in beta:
> https://foss.heptapod.net/pypy/pypy/-/wikis/py3.7%20status
>
> There are a few new features in Python 3.7 which may be of interest,
> https://www.python.org/dev/peps/pep-0537/#features-for-3-7 - perhaps
> the new Data Classes in particular? Nothing there currently strikes me
> as a strong reason to drop Python 3.6 early.
>
> Any thoughts, comments, or use cases for Python 3.6?
>
> Peter
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