RFC: command composition

[Robert Collins]

On Mon, 2009-02-09 at 21:45 +1100, Martin Pool wrote:
> 2009/2/9 Robert Collins <robertc at robertcollins.net>:
> > Well the plugin's option should be in the options list. So I'm thinking
> > a method on command class to register the callback and add options; with
> > a list in the cmd_FOO instance that provides the callback to call. Then
> > the callback occurs on the parsed (options, args) tuple as I mentioned
> > above.
> 
> I'd like to see it, if possible, done as a standard hook, rather than
> a special registration.

I'm not sure what you mean; do you mean a hooks instance per command?
That would seem to add a lot of overhead to parsing builtins.py, for
instance.

-Rob

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