[openstack-dev] [glance] Removing python-swiftclient from requirements.txt
robertc at robertcollins.net
Wed Jul 29 21:50:12 UTC 2015
On 30 July 2015 at 02:48, Doug Hellmann <doug at doughellmann.com> wrote:
> Excerpts from Louis Taylor's message of 2015-07-29 15:25:33 +0100:
>> On Tue, Jul 28, 2015 at 07:55:54PM -0400, Doug Hellmann wrote:
>> > I replied on both patches, but I'll repeat it here for a broader
>> > audience:
>> > Please set up an "extras" entry for each backend instead of just
>> > removing the dependencies. That will signal to users that you know
>> > what dependencies there are for a backend, but that they are optional,
>> > and still allow someone to do the equivalent of "pip install
>> > glance[vmware]" or "pip install glance[swift]" to get those
>> > dependencies. Nova and oslo.versionedobjects have examples in their
>> > setup.cfg if you need a template.
>> > I didn't mention in the reviews, but this will also make integration
>> > tests in our gate easier, since you can put ".[vmware]" or ".[swift]" in
>> > the tox.ini to pull in those dependencies.
>> This sounds like the best option. What happens if you want to enable multiple
>> backends? Can you do something like "pip install glance[swift, vmware]", or
>> would you need to run a separate pip command to install each?
> I think you would say:
> pip install glance[swift] glance[vmware]
That might work. pip install glance[swift,vmware] is the canonical form.
Robert Collins <rbtcollins at hp.com>
HP Converged Cloud
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