On 21 April 2015 at 00:22, Victor Stinner <vstin...@redhat.com> wrote:
>> I believe Redhat patch it out. I don't think they should need to,
>> since we have explicit knobs for distros to use.
>
> pbr pulls pip which we don't want in RHEL. Example of patches in RDO:
>
> https://github.com/redhat-openstack/nova/commit/a19939c8f9a7b84b8a4d713fe3d26949e5664089
> https://github.com/redhat-openstack/python-keystoneclient/commit/e02d529a87aef8aaca0616c8ee81de224bf1f52a
> https://github.com/redhat-openstack/neutron/commit/85302b75362df30270383e3a373e60e81b1b2384
> (well, it's always the same change)
>
> Can't we enhance pbr to build (source/wheel) distributions of applications 
> which don't depend on pbr? Basically implement these patches in pbr?

There is some fundamental misunderstanding here.

http://docs.openstack.org/developer/pbr/packagers.html

Firstly, pbr has no runtime dep on pip - it doesn't import it. So you
don't need pip installed when an installed package uses pbr to get its
version.

Secondly, there are variables - see the link above - to control or
override all the bits you could want.

Lastly, pbr will use pkg_resources.

> I read somewhere that pkg_resources may also be used to get the version.

Yes, and pbr does that, when the package is installed.

So - I still don't understand *why* RDO is patching it out.

It needs one of the RDO packagers to file a bug describing what
happens in sufficient detail that we can fix it.

-Rob

-- 
Robert Collins <rbtcoll...@hp.com>
Distinguished Technologist
HP Converged Cloud

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