[Python-Dev] Iterable String Redux (aka String ABC)

[Georg Brandl]

Greg Ewing schrieb:
> Bill Janssen wrote:
> 
>> Look, even if there were *no* additional methods, it's worth adding
>> the base class, just to differentiate the class from the Sequence, as
>> a marker, so that those of us who want to ask "isinstance(o, String)"
>> can do so.
> 
> Doesn't isinstance(x, basestring) already cover that?

That doesn't cover UserString, for example.

Georg