alias method definitions / syntactic sugar suggestion

[Terry Reedy]

andrew cooke wrote:
> [sorry for dup terry; prev not to list]
> 
> Terry Reedy wrote:
>> @alias('justAsFantastic')
>> def someFantasticMethod(args): ...
> 
> does this exist?  i read the previous post and thought "i think a
> decorator could do that", but i haven't written one.

Not that I know of -- an exercise for the reader.

Now that I think about it more, injecting a name into what will become 
the class dict is not trivial.  I assume that one of the 'get the 
caller's namespace' tricks would work, but have not tried it.

> the reason i ask is that for 3->2 backwards compatability i need to do
> this in a couple of places.  it would be nice to have:
> 
>   @alias('__nonzero__')
>   def __bool__(self):
> 
> and even better(?) if it could depend on python version!
> 
> or maybe there's another solution to the __bool__ problem above?  (there's
> also next methods, can't think of anything else off the top of my head)