[openstack-dev] [testing] moving testrepository *outside* the tox venv

Morgan Fainberg morgan.fainberg at gmail.com
Thu Jul 9 13:59:44 UTC 2015

Or a database per python major version (or at least gracefully handle the incompatibility). 


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> On Jul 9, 2015, at 06:43, Doug Hellmann <doug at doughellmann.com> wrote:
> Excerpts from Robert Collins's message of 2015-07-09 10:37:17 +1200:
>> I don't remember if this has previously been discussed, but as our
>> Python3 readiness increases folk are going to feel pain from testr due
>> to a silly Python 2/3 incompatibility around dbm files.
>> https://bugs.launchpad.net/testrepository/+bug/1212909
>> OpenStack (alone in the universe as far as I can tell) installs
>> testrepository *inside* a tox venv. This then causes the timing
>> database to be Python version specific. It also causes the test venv
>> to suck in any dependencies testr might add.
>> But testrepository is like tox- its meant to be installed systemwide
>> (or at least in its own venv) and then just used to *run* test runners
>> within whatever context.
>> So - I'm looking to:
>> A) have a discussion and identify any issues with moving testr out of
>> the venvs. (Note: this doesn't mean stop using it, just removing it
>> from test-requirements.txt, in the same way that tox isn't in
>> test-requirements.txt).
>> B) Capture that in a spec if its non-trivial.
>> C) find volunteers to make it happen.
> How much work would it be to make testrepository use a database format
> that would be the same under all versions of python?
> Doug
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