Open Stack

I vote for including cffi. We are going to use a cffi lib as part of Barbican (key management) anyway, so I'd like to see wider acceptance.

Jarret

From: Alex Gaynor <alex.gaynor at gmail.com<mailto:alex.gaynor at gmail.com>>
Reply-To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Wednesday, August 14, 2013 12:12 PM
To: "openstack at nemebean.com<mailto:openstack at nemebean.com>" <openstack at nemebean.com<mailto:openstack at nemebean.com>>, OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] Swift, netifaces, PyPy, and cffi

I just chatted with the Python product owner at Red Hat, he says this is going to make it's way to the next step later today (this past weekend was a Fedora conference), so this should be happening soon.

Joe: Yup, I'm familiar with that piece (I had lunch with Vish the other week and he's the one who suggested Swift as the best place to get started with OpenStack + PyPy). For those who don't know I'm one of the core developers of PyPy :)

Alex



On Wed, Aug 14, 2013 at 9:24 AM, Ben Nemec <openstack at nemebean.com<mailto:openstack at nemebean.com>> wrote:
On 2013-08-13 16:58, Alex Gaynor wrote:
One of the issues that came up in this review however, is that cffi is
not packaged in the most recent Ubuntu LTS (and likely other
distributions), although it is available in raring, and in a PPA
(http://packages.ubuntu.com/raring/python-cffi [2]
 nd https://launchpad.net/~pypy/+archive/ppa?field.series_filter=precise
[3] respectively).


As a result of this, we wanted to get some feedback on which direction
is best to go:

a) cffi-only approach, this is obviously the simplest approach, and
works everywhere (assuming you can install a PPA, use pip, or similar
for cffi)
b) wait until the next LTS to move to this approach (requires waiting
until 2014 for PyPy support)
c) Support using either netifaces or cffi: most complex, and most
code, plus "one or the other" dependencies aren't well supported by
most tools as far as I know.

It doesn't appear to me that this is available for RHEL yet, although it looks like they're working on it: https://admin.fedoraproject.org/updates/python-cffi-0.6-4.el6

That's also going to need to happen before we can do this, I think.

-Ben


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