[openstack-dev] getting rid of tablib completely (Requests + urllib3 + distro packages)

Doug Hellmann doug at doughellmann.com
Tue Oct 13 15:14:03 UTC 2015

Excerpts from Thomas Goirand's message of 2015-10-13 12:38:00 +0200:
> On 10/12/2015 11:09 PM, Steve Baker wrote:
> > On 13/10/15 02:05, Thomas Goirand wrote:
> >>
> >> BTW, the same applies for tablib which is in a even more horrible state
> >> that makes it impossible to package with Py3 support. But tablib could
> >> be removed from our (build-)dependency list, if someone cares about
> >> re-writing cliff-tablib, which IMO wouldn't be that much work. Doug, how
> >> many beers shall I offer you for that work? :)
> >>
> > Regarding tablib, cliff has had its own table formatter for some time,
> > and now has its own json and yaml formatters. I believe the only tablib
> > formatter left is the HTML one, which likely wouldn't be missed if it
> > was just dropped (or it could be simply reimplemented inside cliff).
> > 
> > If the cliff deb depends on cliff-tablib
> It does.

That dependency is backwards. cliff-tablib should depend on cliff. Cliff
does not need cliff-tablib, but cliff-tablib is only useful if cliff is

> And also the below packages have a build-dependency on
> cliff-tablib:
> - python-neutronclient
> - python-openstackclient
> python-openstackclient also has a runtime depends on cliff-tablib.

Now that we have a cliff with the formatters provided by tablib, we can
update those dependencies to remove cliff-tablib. Someone just needs to
follow through on that with patches to the requirements files for the

> The problem is that *many* packages have (build-)depends on
> neutronclient and openstackclient, so it blocks Py3 support for them as
> well.
> So we need to address this.
> > I would recommend removing that
> > dependency and just stop packaging cliff-tablib.
> Can I just drop cliff-tablib from cliff, and be done with it? Really?
> I am hereby announcing that I'm paying a beer in Tokyo to anyone who
> helps fixing this mess, so we get rid of tablib. :)
> Cheers,
> Thomas Goirand (zigo)

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