Re: dropping python 2 for nautilus... go/no-go

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On 1/16/19 4:54 PM, ceph@xxxxxxxxxxxxxx wrote:
> Hi,
> 
> My 2 cents:
> - do drop python2 support

I wouldn't agree. Python 2 needs to be dropped.

> - do not drop python2 support unexpectedly, aka do a deprecation phase
> 
Indeed. Deprecate it at the Nautilus release and drop it after N.

Write blogs, post on the ML, Tweet about, e-mail everybody you know
about the fact that Ceph is dropping Python 2 support after N.

Dropping it in N without a deprecation period doesn't seem like a good idea.

Wido

> People should already know that python2 is dead
> That is not enough, though, to remove that "by surprise"
> 
> Regards,
> 
> On 01/16/2019 04:45 PM, Sage Weil wrote:
>> Hi everyone,
>>
>> This has come up several times before, but we need to make a final 
>> decision.  Alfredo has a PR prepared that drops Python 2 support entirely 
>> in master, which will mean nautilus is Python 3 only.
>>
>> All of our distro targets (el7, bionic, xenial) include python 3, so that 
>> isn't an issue.  However, it also means that users of python-rados, 
>> python-rbd, and python-cephfs will need to be using python 3.
>>
>> Python 2 is on its way out, and has been for years.  See
>>
>> 	https://pythonclock.org/
>>
>> If it don't kill it in Nautilus, we'll be doing it for Octopus.
>>
>> Are there major python-{rbd,cephfs,rgw,rados} users that are still Python 
>> 2 that we need to be worried about?  (OpenStack?)
>>
>> sage
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>>
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