One more task for this subject, the python 3 implementation does not yet have 
support for Avro logical types as far as I’ve been able to tell. So a decent 
amount of code would need to be ported there.

—Ivan

> On Nov 22, 2019, at 7:40 AM, Ryan Skraba <[email protected]> wrote:
> 
> Thanks for the info; it sounds reasonable to me!  (A big +1 to getting
> rid of ant, of course).
> 
> On Thu, Nov 21, 2019 at 12:56 PM Michael A. Smith <[email protected]> 
> wrote:
>> 
>> i would like to update and maintain the py colleges and deprecate and
>> eventually remove the py3 one.
>> 
>> 1. Despite being less modern, the py codebase has been kept somewhat more
>> pythonic. Capitalizing `schema.Parse` and the literal translation of the
>> java parsing normal form implementation are two oddities we could address.
>> There are several issues and pull requests inquiring why the two python
>> implementations aren't API compatible.
>> 2. Several modules in py3 were never completed. I called out txipc as
>> broken, but the tether stuff is missing entirely.
>> 
>> Things we need to do to make this possible:
>> 
>> 1. Make the py codebase compatible with py3.5. I've been working on this,
>> while still trying to maintain 2.7 compatibility for now.
>> 2. I want to port py3's setup approach, making it possible to package and
>> test py without ant. There are lots of benefits, but the only thing on
>> topic here is to be able to be able to use multiple python versions at the
>> same time. (We should look at tox soon.)
>> 
>> What do you think?
>> 
>> On Thu, Nov 21, 2019 at 04:23 Ryan Skraba <[email protected]> wrote:
>> 
>>> Tick-tock... just bumping this up as the year end approaches!  Any
>>> interest in making a statement or plan for python2 support for future
>>> releases of Avro?
>>> 
>>> There should be one more maintenance release of python 2.7 in 2020
>>> (after sunset) for the accumulated fixes.
>>> 
>>> I'm in the context of looking at the docker+build scripts: keeping or
>>> dropping the python2 runtime has little significant impact.
>>> 
>>> Ryan
>>> 
>>> 
>>> 
>>> On Tue, Jun 25, 2019 at 1:22 PM Michael A. Smith <[email protected]>
>>> wrote:
>>>> 
>>>> Inline…
>>>> 
>>>> On Tue, Jun 25, 2019 at 05:03 Ismaël Mejía <[email protected]> wrote:
>>>> 
>>>>> Probably is a good idea that we publish our policy around python
>>>>> support [1] as other projects have done [2].
>>>>> I think supporting python 2 makes sense at least for our latest
>>>>> release of this year so probably 1.9.x or eventually 1.10.x.
>>>> 
>>>> 
>>>> i agree wholeheartedly, but only python 2.7.
>>>> 
>>>> I am not at all familiar with our python3 codebase, are we feature
>>>>> equivalent? otherwise maybe worth to create JIRAs and work on those.
>>>> 
>>>> 
>>>> Not perfectly, and there is work on that, but the biggest gap is that
>>>> lang/py is much more extensively tested, but its tests use pyant, which I
>>>> have not yet figured out how to port.
>>>> 
>>>> [1] https://pythonclock.org/
>>>>> [2] https://python3statement.org/
>>>>> 
>>>>> On Tue, Jun 25, 2019 at 9:38 AM Driesprong, Fokko <[email protected]
>>>> 
>>>>> wrote:
>>>>>> 
>>>>>> I'm not sure how much effort we should put into Python2.7 in general,
>>>>> since
>>>>>> this version is EOL after this year.
>>>>>> 
>>>>>> Cheers, Fokko
>>>>>> 
>>>>>> Op ma 24 jun. 2019 om 03:20 schreef Michael A. Smith <
>>>>> [email protected]>:
>>>>>> 
>>>>>>> There's some not-insignificant complexity in the lang/py codebase
>>> to
>>>>>>> support derelict versions of Python. There are polyfills for json,
>>>>> structs,
>>>>>>> a whole "StoppableHTTPServer" in avro.tool.
>>>>>>> 
>>>>>>> I created AVRO-2445 and will start removing this stuff now, but
>>> wanted
>>>>> to
>>>>>>> bounce the idea around the list in case there's some obscure
>>> reason to
>>>>> keep
>>>>>>> these things around.
>>>>>>> 
>>>>> 
>>> 

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