On Tue, Aug 13, 2013 at 6:56 PM, Clint Byrum <cl...@fewbar.com> wrote:
> Excerpts from Alex Gaynor's message of 2013-08-13 14:58:56 -0700: > > Hi all, > > > > (This references this changeset: https://review.openstack.org/#/c/38415/ > ) > > > > One of the goals I've been working at has been getting swift running on > > PyPy (and from there, the rest of OpenStack). The last blocking issue in > > swift is that it currently uses netifaces, which is a C-extension that > > doesn't on PyPy. I've proposed to replace this dependency with a cffi > based > > binding to the system. > I assume you have seen http://vish.everyone.me/running-openstack-nova-with-pypy > > > > For those not familiar, cffi is a tool for binding to C libraries, > similar > > to ctypes (in the stdlib), except more expressive, less error prone, and > > faster; some of our downstream dependencies already use it. > > > > 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 and > > > https://launchpad.net/~pypy/+archive/ppa?field.series_filter=preciserespectively > ). > > > > 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) > > There are a lot of dependencies of Grizzly and Havana that aren't in > the official release of Ubuntu 12.04. That is why Canonical created > the cloud archive, so that users can keep everything that isn't > "OpenStack+Dependencies" on the LTS. > > The fact that cffi is already available in a release makes it even > more likely that it will be a straight forward backport to the cloud > archive. However, is Ubuntu 12.04's pypy 1.8 sufficient? Ubuntu 13.04 > and 12.10 have 1.9, and saucy (the presumed 13.10) has 2.0.2. > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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