[openstack-dev] [All] LOG.warning/LOG.warn

Doug Hellmann doug at doughellmann.com
Mon Aug 18 15:27:39 UTC 2014

On Aug 18, 2014, at 10:15 AM, Daniel P. Berrange <berrange at redhat.com> wrote:

> On Mon, Aug 18, 2014 at 07:57:28AM +1000, Michael Still wrote:
>> My recollection is that this was a request from the oslo team, but it
>> was so long ago that I don't recall the details.
>> I think the change is low value, so should only be done when someone
>> is changing the logging in a file already (the log hinting for
>> example).
> The "lazy conversion" approach really encourages bad practice and is very
> wasteful for developers/reviewers. In GIT commit guidelines we explicitly
> say not to make code cleanups in their code that are unrelated to the
> feature/bug being addressed. When we have done lazy conversion for this
> kind of thing, I've seen it waste a hell of alot of time for developers.
> People are never entirely clear which is the preferred style, so they
> end up just making a guess which will often be wrong. So now we consume
> scarce reviewer time pointing this out to people over & over & over again,
> and waste developer time having them re-post their patches again.
> If we want to change LOG.warning to LOG.warn, we should do a single
> patch with a global search & replace to get the pain over & done with
> as soon as possible, then enforce it with a hacking rule. No reviewer
> time gets wasted and developers will see their mistake right away.
> Regards,
> Daniel

The only issue I can see with that approach is causing existing patches to have to be rebased. That can be mitigated by making these sorts of cleanups at a time when other feature changes aren’t going to be under development, though.


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