On 3/12/2015 2:17 PM, Antoine Pitrou wrote: > On Thu, 12 Mar 2015 14:08:01 -0400 > Scott Dial <scott+python-...@scottdial.com> wrote: > >> On 2015-03-12 10:46 AM, Eric V. Smith wrote: >>> On 3/12/2015 10:00 AM, Antoine Pitrou wrote: >>>> Related issue: >>>> >>>>>>> ipaddress.IPv4Interface('10.0.0.255/8') + 1 >>>> IPv4Interface('10.0.1.0/32') >>>> >>>> Should the result be IPv4Interface('10.0.0.0/8') >>>> (i.e. wrap around)? Should OverflowError be raised? >>> >>> I think it should be an OverflowError. 10.0.1.0/8 makes no sense, and >>> 10.0.0.0/8 is unlikely to be desirable. >>> >> >> No, you are both imbuing meaning to the dot-notation that is not there. >> A.B.C.D is just an ugly way to represent a single 32-bit unsigned >> integer. The only contentious part would be when your addition would >> overlfow the host-portion of the address: >> >>>>> ipaddress.IPv4Interface('10.255.255.255/8') + 1 >> IPv4Interface('11.0.0.0/8') > > Oh, well, you're right, I borked my subnet. So, for the record, I meant > "10.0.0.255/24" where the issue actually appears.
I, too, was thinking /24. I think that overflowing the host portion should raise OverflowError. -- Eric. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com