[Biopython] Dropping Python 3.4 support?

[Peter Cock]

Thanks, If the NumPy community is comfortable dropping Python 3.4
soon, I'm happier to do the same :)

It took me a little digging to find on their website but:

> Future Changes
> - NumPy 1.16 will drop support for Python 3.4.
> - NumPy 1.17 will drop support for Python 2.7.

https://docs.scipy.org/doc/numpy/release.html

In practise Biopython should be just fine with NumPy 1.15 on
Python 3.4 - I'm not actually sure what the oldest version of
NumPy everything still works with its, but 1.12 is being used
on one of the continuous integration targets.

Peter

On Wed, Dec 19, 2018 at 5:01 AM Jamie Morton <jamietmorton at gmail.com> wrote:
>
> Also keep in mind that numpy is dropping python=3.4 in the near future, so this makes a lot of sense ...
>
> On Tue, Dec 18, 2018 at 4:36 PM Sean Brimer <skbrimer at gmail.com> wrote:
>>
>> Hi Peter,
>>
>> I do not think that would be a problem. From my (limited) understanding any 3.4 code would still be compatible with any version higher just not the other way around.
>>
>> Thanks
>>
>> On Tue, Dec 18, 2018 at 10:50 AM Peter Cock <p.j.a.cock at googlemail.com> wrote:
>>>
>>> Dear Biopythoneers,
>>>
>>> I would like to drop Python 3.4 support in order to reduce
>>> our continuous integration testing requirements.
>>>
>>> We currently (as of Biopython 1.73) support Python 2.7
>>> (until 2020), and Python 3.4, 3.5, 3.6, 3.7.
>>>
>>> According to the Python website, Python 3.4 and 3.5 are
>>> still getting security fixes, with the final release of Python 3.4
>>> expected March 2019 in line with end-of-life 2019-03-16.
>>>
>>> https://www.python.org/dev/peps/pep-0429/
>>> https://devguide.python.org/#status-of-python-branches
>>>
>>> Would dropping Python 3.4 support inconvenience any
>>> Biopython users? Should we wait one more release
>>> (i.e. Biopython 1.74, which we might aim to release in
>>> March 2019?)
>>>
>>> Thanks,
>>>
>>> Peter
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>>
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