[merge] Registry

Martin Pool mbp at canonical.com
Thu Oct 12 09:29:21 BST 2006


On 11 Oct 2006, Aaron Bentley <aaron.bentley at utoronto.ca> wrote:
> It seems like it would be very, very common to do
> 
> obj = registry.get(key)(arg1, arg2, ...)
> 
> Is it worth supporting this explicitly?

Maybe, but yagni for now I think.

> I'm a little uncomfortable with the 'info' idea.  It seems like, for a
> given registry, you'd want to have the same 'info' about all registered
> objects.  If you were registering Commands, you might want to register
> aliases, parameters, options, and help.  Whatever you registered, you'd
> want it to be consistent.  Wouldn't it be better for a each registry to
> have its own Info type?

or, alternatively, have a subclass

  class CommandRegistry(Registry):
    def get_command_parameters(self, command_name):  
      return self.get_info(command_name)['parameters']
      # or
      return self.get_info(command_name).parameters

-- 
Martin




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