RFC: centralise registries

[Jonathan Lange]

On Tue, Apr 14, 2009 at 3:47 PM, Robert Collins
<robertc at robertcollins.net> wrote:
> On Tue, 2009-04-14 at 15:45 +1000, Ian Clatworthy wrote:
>> Robert Collins wrote:
>>
>> > I don't think potential extraction of code is a good reason to keep our
>> > instances and our support classes separate; putting a bunch of instances
>> > in registry.py doesn't make it harder to pull out the class definition
>> > to a new project.
>>
>> It's a layering issue: lower layers shouldn't know about higher layers
>> any more than they need to.
>
> Sure, if we were muddying layers it would be a problem. I don't think
> that would happen.
>
> Do you have alternate suggestions to fix the problem?

Does the central location have to be bzrlib.registry? Would, say,
moving the plugins to bzrlib.registries address the issue?

jml