On Nov 29, 1:09 am, Ben Finney <[EMAIL PROTECTED]> wrote: > "Diez B. Roggisch" <[EMAIL PROTECTED]> writes: > > > Ben Finney schrieb: > > > A class knows its parents; it doesn't know its children. (Or, in > > > other words, children need to know who their parents are, but > > > aren't required to notify their parents about anything.) > > > Not right. These special children are under a more demanding > > goverment. > > > [...] > > print A.__subclasses__() > > Thanks. I've now learned my recommended daily dosage of one new thing. > > -- > \ "Unix is an operating system, OS/2 is half an operating system, | > `\ Windows is a shell, and DOS is a boot partition virus." -- | > _o__) Peter H. Coffin | > Ben Finney
>From >http://coding.derkeiler.com/Archive/Python/comp.lang.python/2004-02/4172.html it seems to be an undocumented feature. Read the post and decide for yourself if you want to depend on it. - Paddy. -- http://mail.python.org/mailman/listinfo/python-list
