[Buildbot-devel] AttributeError on LRUCache with Blocker step on buildbot 0.8.7

Dustin J. Mitchell dustin at v.igoro.us
Tue Oct 30 23:19:57 UTC 2012

On Tue, Oct 30, 2012 at 12:01 AM, Tom Prince <tom.prince at ualberta.net> wrote:
> "Dustin J. Mitchell" <dustin at v.igoro.us> writes:
>> Hmm, blocker really shouldn't be peeking into private data like that.
>> You must have upgraded from a few versions back - neither Blocker
>> (which is essentially unmaintained and untested at this point) nor the
>> LRU cache are new.
> Given that this code is untested, undocumented and broken, I'm inclined
> to remove it.
> I'm not sure how Blocker is intended to be used. My initial thought is
> that this could be replaced by locks, or something like them.
> Some searching found
> http://permalink.gmane.org/gmane.comp.python.buildbot.devel/8158
> and the situation described there sounds like it would be better solved
> by using Trigger steps. (Or some suitably extended version of that, now
> that Trigger can target any scheduler with the right interface)
>   Tom

Blocker is a little more flexible than those options, but I agree that
it's probably best removed for now.  It will certainly need a
significant overhaul for nine.


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