[Python-Dev] why doesn't print pass unicode strings on to the file object?

[Martin von Loewis]

> > What user code exactly would break? Would that be a serious problem?
> 
> All code which assumes a tuple as return value. It's hard to
> say how much code makes such an assumption. Most Python
> code probably only uses the sequence interface, but the C interface
> was deliberately designed to return tuples so that C programmers
> can easily access the data.

I believe that code would continue to work if you got a instance of a
tuple subtype.

> I don't see a need to argue over this. It's no use putting
> a lot of work into inventing some overly complex (subclassing
> types, etc.) strategy to maintain backwards compatibility
> when an easy solution is so close at hand.

Subclassing tuples is not at all overly complex.

Regards,
Martin