cmp of multiple attributes (WAS: Why are tuples immutable?)
Roy Smith
roy at panix.com
Thu Dec 16 16:32:17 EST 2004
>Roy Smith wrote:
>> def __cmp__ (self, other):
>> # I wish there was a less verbose way to do this!
>> if self.block < other.block:
>> return -1
>> if self.block > other.block:
>> return 1
>> if self.lot < other.lot:
>> return -1
>> if self.lot > other.lot:
>> return 1
>> return 0
Steven Bethard <steven.bethard at gmail.com> wrote:
>Does this do what you want?
>... def __cmp__(self, other):
>... return (cmp(self.block, other.block) or
>... cmp(self.lot, other.lot))
Yes, that's exactly what I was after. Like so many things, it's
obvious once it's pointed out to you. Thanks!
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