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Author akira
Recipients akira, pitrou, r.david.murray
Date 2014-04-08.09:05:30
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Message-id <1396947931.09.0.571136039508.issue21041@psf.upfronthosting.co.za>
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Content 
From https://docs.python.org/3/glossary.html#term-sequence

> An iterable which supports efficient element access using integer indices via the __getitem__() special method and defines a __len__() method that returns the length of the sequence.

.parents *is* a sequence. And it *is* confusing that it doesn't accept negative indexes -- that is how I've encountered the bug.

Antoine, could you elaborate on what are the negative consequences of negative indexes to justify breaking the expectations?
History
Date User Action Args
2014-04-08 09:05:31akirasetrecipients: + akira, pitrou, r.david.murray
2014-04-08 09:05:31akirasetmessageid: <1396947931.09.0.571136039508.issue21041@psf.upfronthosting.co.za>
2014-04-08 09:05:31akiralinkissue21041 messages
2014-04-08 09:05:30akiracreate