[CentOS-devel] Python 3

Thomas F Herbert therbert at redhat.com
Wed Oct 4 19:34:43 UTC 2017



On 09/28/2017 10:22 PM, Nico Kadel-Garcia wrote:
> On Wed, Sep 27, 2017 at 10:54 AM, Thomas F Herbert <therbert at redhat.com> wrote:
>>
>> On 09/25/2017 10:05 AM, Jonathan Billings wrote:
>>
>> Python 3 is available in the SCL repos.  The /usr/bin/python in
>> CentOS6 and CentOS7 are very unlikely to ever be changed from Python
>> 2.x, due to how most of the management tools for RHEL/CentOS are
>> written in Python 2.x.
>>
>> Johathon,
>> Thanks for the suggestion. However, I am trying to build a package for
>> Centos distribution and an upstream change now requires Python 3 during the
>> build process. I think that SCL is in extras or EPEL isn't it?
> It's a separate repository, which CentOS rebuilds from Red Hat
> published content, much like the rest of CentOS. See
> https://wiki.centos.org/AdditionalResources/Repositories/SCL
>
> The command "yum install centos-release-scl" is your friend for access
> to the tools. A good look at the SRPM's over at
> http://vault.centos.org/ is invaluable for the build structure.
> Setting up "mock" to build them locally, I can ount you to some github
> repos that are helpful if you like.
Nico, Thanks for the pointer.

I haven't yet found a SRPM in the 7.4.1408 vault that is not part of SCL 
itself which has a dependency on software collections or python3x.
Do you know of one?

To emphasize, we are building nfv7 tagged vpp packages for Centos as 
follows:
http://cbs.centos.org/koji/buildinfo?buildID=19838

Are you recommending that we provide our package as part of scl as an 
alternative?
So far our plan is to disable the new python3 dependent feature until 
Centos8 release so somebody downloading NFV packages wouldn't require 
anything other then Centos base packages.
>
>> --
>> Thomas F Herbert
>> NFV and Fast Data Planes
>> Office of Technology
>> Red Hat
>>
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>>
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-- 
*Thomas F Herbert*
NFV and Fast Data Planes
Office of Technology
*Red Hat*
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