[Python-Dev] Small misleadingness in docs

Greg Ewing greg.ewing at canterbury.ac.nz
Sat Feb 14 20:53:31 CET 2009


Terry Reedy wrote:

> The new (in 3.0 and maybe 2.6, but undocumented) special methods 
> __instancecheck__ and __subclasscheck__ let one overload the default 
> behavior of isinstance and issubclass.

That's fine for 3.0, but I don't think the current behaviour
should be removed from any 2.x version, as it would make
writing code that works over multiple 2.x versions difficult.

-- 
Greg


More information about the Python-Dev mailing list