[Biopython] Versions of Python 3 to support in Biopython?

[Ivan Gregoretti]

Hi Bow,

I think that we should drop support for Python 2.x once it is left out
in favour of Python 3.

I am not aware of any major linux distrubution that uses Python 3 as
default. By major linux distribution I mean Debian, Ubuntu, CentOS,
Fedora and Red Hat Enterprise Linux.

Out of all the five distributions listed above, most administrators
use CentOS. Perhaps we should schedule Python v2.x support to be
dropped when CentOS switches to Python 3. That is likely to happen a
long time from now.

Thank you,

Ivan




Ivan Gregoretti, PhD
Bioinformatics


On Thu, May 30, 2013 at 8:51 AM, Wibowo Arindrarto
<w.arindrarto at gmail.com> wrote:
> Hi everyone,
>
>> For the forthcoming Biopython 1.62 release, we are planning to
>> officially support Python 3 (as well as Python 2, including PyPy,
>> and Jython). However, which versions of Python 3 would people
>> want to use?
>>
>> One possibility is we'd require at least Python 3.2.5 (which would
>> simplify dealing with things broken in older releases of Python 3).
>>
>> Alternatively, would it be acceptable to insist on at least Python 3.3
>> for example?
>>
>> If you are interested in running Biopython under Python 3
>> (which you can already try out), please could you reply with
>> what version of Python 3 you have installed, and if being
>> required to update would be a problem or not.
>
> I'm leaning towards insisting on Python >=3.3 support (I'm running
> 3.3.2). I suppose that even if Python3.3 is not available on a machine
> or through the default package manager, it's always installable on its
> own. If that's not the case, I imagine Python2.x is most likely
> present in these machines (so Biopython can still be used).
>
> On a related note, do we have a defined timeline on when we would drop
> support for Python2.x? Are there any plans to have our codebase
> written in Python3.x instead of Python2.x?
>
> Best,
> Bow
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