[merge] Registry

[John Arbash Meinel]

Martin Pool wrote:
> 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
> 

I was thinking to do something along the lines of a subclass. Since it
helps ensure that the parameters are correctly supplied.

John
=:->