[openstack-dev] [all] Status of the OpenStack port to Python 3
Denis Makogon
lildee1991 at gmail.com
Wed Jul 13 19:17:59 UTC 2016
Hello to All.
I have free capacity to work on porting code to Py3. So, if any PTL is
running out of team capacity i can help to work on project to enable Py3
support.
Kind regards,
Denys Makogon
2016-07-06 13:01 GMT+03:00 Flavio Percoco <flavio at redhat.com>:
> On 24/06/16 12:17 -0400, Sean Dague wrote:
>
>> On 06/24/2016 11:48 AM, Doug Hellmann wrote:
>>
>>> Excerpts from Dmitry Tantsur's message of 2016-06-24 10:59:14 +0200:
>>>
>>>> On 06/23/2016 11:21 PM, Clark Boylan wrote:
>>>>
>>>>> On Thu, Jun 23, 2016, at 02:15 PM, Doug Hellmann wrote:
>>>>>
>>>>>> Excerpts from Thomas Goirand's message of 2016-06-23 23:04:28 +0200:
>>>>>>
>>>>>>> On 06/23/2016 06:11 PM, Doug Hellmann wrote:
>>>>>>>
>>>>>>>> I'd like for the community to set a goal for Ocata to have Python
>>>>>>>> 3 functional tests running for all projects.
>>>>>>>>
>>>>>>>> As Tony points out, it's a bit late to have this as a priority for
>>>>>>>> Newton, though work can and should continue. But given how close
>>>>>>>> we are to having the initial phase of the port done (thanks
>>>>>>>> Victor!),
>>>>>>>> and how far we are from discussions of priorities for Ocata, it
>>>>>>>> seems very reasonable to set a community-wide goal for our next
>>>>>>>> release cycle.
>>>>>>>>
>>>>>>>> Thoughts?
>>>>>>>>
>>>>>>>> Doug
>>>>>>>>
>>>>>>>
>>>>>>> +1
>>>>>>>
>>>>>>> Just think about it for a while. If we get Nova to work with Py3, and
>>>>>>> everything else is working, including all functional tests in
>>>>>>> Tempest,
>>>>>>> then after Otaca, we could even start to *REMOVE* Py2 support after
>>>>>>> Otaca+1. That would be really awesome to stop all the compat layer
>>>>>>> madness and use the new features available in Py3.
>>>>>>>
>>>>>>
>>>>>> We'll need to get some input from other distros and from deployers
>>>>>> before we decide on a timeline for dropping Python 2. For now, let's
>>>>>> focus on making Python 3 work. Then we can all rejoice while having
>>>>>> the
>>>>>> discussion of how much longer to support Python 2. :-)
>>>>>>
>>>>>>
>>>>>>> I really would love to ship a full stack running Py3 for Debian
>>>>>>> Stretch.
>>>>>>> However, for this, it'd be super helful to have as much visibility as
>>>>>>> possible. Are we setting a hard deadline for the Otaca release? Or is
>>>>>>> this just a goal we only "would like" to reach, but it's not really a
>>>>>>> big deal if we don't reach it?
>>>>>>>
>>>>>>
>>>>>> Let's see what PTLs have to say about planning, but I think if not
>>>>>> Ocata then we'd want to set one for the P release. We're running
>>>>>> out of supported lifetime for Python 2.7.
>>>>>>
>>>>>
>>>>> Keep in mind that there is interest in running OpenStack on PyPy which
>>>>> is python 2.7. We don't have to continue supporting CPython 2.7
>>>>> necessarily but we may want to support python 2.7 by way of PyPy.
>>>>>
>>>>
>>>> PyPy folks have been working on python 3 support for some time already:
>>>> http://doc.pypy.org/en/latest/release-pypy3.3-v5.2-alpha1.html
>>>> It's an alpha, but by the time we consider dropping Python 2 it will
>>>> probably be released :)
>>>>
>>>
>>> We're targeting Python >=3.4, right now. We'll have to decide as
>>> a community whether PyPy support is a sufficient reason to keep
>>> support for "older" versions (either 2.x or earlier versions of 3).
>>> Before we can have that discussion, though, we need to actually run on
>>> Python 3, so let's focus on that and evaluate the landscape of other
>>> interpreters when the porting work is done.
>>>
>>
>> +1, please don't get ahead of things until there is real full stack
>> testing running on python3.
>>
>> It would also be good if some of our operators were running on python 3
>> and providing feedback that it works in the real world before we even
>> talk about dropping. Because our upstream testing (even the full stack
>> testing) only can catch so much.
>>
>> So next steps:
>>
>> 1) full stack testing of everything we've got on python3 - (are there
>> volunteers to get that going?)
>> 2) complete Nova port to enable full stack testing on python3 for iaas
>> base
>> 3) encourage operators to deploy with python3 in production
>> 4) gather real world feedback, develop rest of plan
>>
>
>
> Just one to +1 the above steps. I'd be very hesitant to make any plan
> until we
> are able to get not only nova but all the projects in the
> starter-kit:compute[0]
> running pn python3 (and w/ a full stack test).
>
> [0]
> https://governance.openstack.org/reference/tags/starter-kit_compute.html
>
>
> Flavio
>
> --
> @flaper87
> Flavio Percoco
>
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