Lawrence Oluyede wrote: > While wrapping mmap indexing/sequence emulation I noticed something > "strange". What's got my attention was the fact that passing -1 from > Python does not trigger the exception but is changed to the last > positive and valid index....
> I expect this raise IndexError as reading the C source code but it > behaves exactly like sequence types in Python. That's fair to me but I > don't get *where* my index is translated. That is sequence behavior. The convention of -1 for last, -2 for second-to-last, ... is done before it gets to your C code. I suspect if you don't define a __len__ method, you'd suppress this. --Scott David Daniels [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list