[Python-ideas] isascii()/islatin1()/isbmp()

[Serhiy Storchaka]

On 30.06.12 19:43, Antoine Pitrou wrote:
> Because it's really an implementation detail. We don't want to carry
> around such a legacy.
> Besides, we don't know the max code point for sure, only an upper bound
> of it (and, implicitly, also a lower bound).
>
> So while I'm -0 on the methods (calling encode() is as simple), I'm -1
> on max_code_point.

Thanks, Antoine. This objection also just occurred to me. We cannot 
guarantee that isascii() always will be O(1). Several enchantments have 
already been rejected for this reason. If an extension author wants to 
take advantage of CPython, he should use CPython's C API.