[Email-SIG] API thoughts

[Barry Warsaw]

On Mar 02, 2011, at 08:23 PM, R. David Murray wrote:

>Pretty much.  I think they will also contain some callable methods,
>to provide hooks where a policy subclass can implement a custom policy.
>My current implementation has such a hook for registering defects, which
>would allow a custom policy to, for example, log the defects in addition
>to or instead of putting them into the defects list.

Makes sense.

>I'm not sure what we you mean by multiple registrations.  Can you give
>an example?

I really meant multiple registries, mostly thinking about how to avoid some
global state.  But Python already has some global registries, so maybe that's
not too bad in this case.

-Barry
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