[Python-Dev] partition() variants

Fri May 26 23:09:22 CEST 2006

Guido van Rossum wrote:
> On 5/26/06, Walter Dörwald <walter at livinglogic.de> wrote:
> [...]
>> And what happens if the separator is an instance of a subclass?
>>>> class s2(str):
>> def __repr__(self):
>> return "s2(%r)" % str(self)
>>>> print "foobar".partition(s2("o"))
>>>> Currently this prints:
>> ('f', s2('o'), 'obar')
>> Should this be
>> ('f', 'o', 'obar')
>> or not?
>>>> And what about:
>> print s2("foobar").partition("x")
>> Currently this prints
>> (s2('foobar'), '', '')
>> These are both fine with me.

split() doesn't behave that way:
>>> s2("foobar").split("x")
['foo']
Servus,
 Walter