launchpad-dev team mailing list archive

[Michael Hudson <michael.hudson@xxxxxxxxxxxxx>]

On Sun, 17 Oct 2010 12:58:26 +1300, Robert Collins <robertc@xxxxxxxxxxxxxxxxx> wrote:
> It has the comment:
> class LayerProcessController:
>     """Controller for starting and stopping subprocesses.
> 
>     Layers which need to start and stop a child process appserver or
> smtp
>     server should call the methods in this class, but should NOT
> inherit from
>     this class.
>     """
> 
> But its not clear why not? I ask because its directly calling into the
> db test fixture logic - duplicating DatabaseLayer.

I don't know, but I'd guess that it's paranoia inspired by the odd way
layers handle inheritance.

Cheers,
mwh