On Jun 3, 2:00 am, Chris Rebert <c...@rebertia.com> wrote: > On Wed, Jun 2, 2010 at 4:11 PM, Steven D'Aprano > > <steve-remove-t...@cybersource.com.au> wrote: > > On Wed, 02 Jun 2010 17:17:11 -0400, Nathan Rice wrote: > >> My apologies if someone already mentioned this and I missed it but... > > >> class.__instancecheck__(self, instance) - Return true if instance should > >> be considered a (direct or indirect) instance of class. If defined, > >> called to implement isinstance(instance, class). > > >> class.__subclasscheck__(self, subclass) - Return true if subclass should > >> be considered a (direct or indirect) subclass of class. If defined, > >> called to implement issubclass(subclass, class). > > > The original poster needs to support Python 2.5 and 2.6, but > > __instancecheck__ and __subclasscheck__ are only supported in 2.6 or > > higher, so this doesn't help. > > Even in 2.6+, good luck trying to define new methods on class `type` > (the metaclass of float and Decimal). > > Cheers, > Chris > --http://blog.rebertia.com
You mean it! I have spent two hours trying it, with no success. I think we manage to find another solution to our problem. Thank you for helping. B. -- http://mail.python.org/mailman/listinfo/python-list
