New submission from eliben <[EMAIL PROTECTED]>: Here's a reproduction of the error:
Python 2.5.2 (r252:60911, Oct 20 2008, 09:11:31) [GCC 3.4.6 20060404 (Red Hat 3.4.6-10)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import difflib >>> >>> difflib.SequenceMatcher(None, [4] + [5] * 200, [5] * 200).ratio() 0.0 ratio() should be returning close to 1.0 here, not 0. This is only a problem for sequences longer than 200. The analogous run for 100: >>> difflib.SequenceMatcher(None, [4] + [5] * 100, [5] * 100).ratio() 0.99502487562189057 >>> I've managed to reproduce it on Linux, Windows (AS 2.5.2) and Try Python (http://try-python.mired.org/) ---------- components: Library (Lib) messages: 77559 nosy: eliben severity: normal status: open title: SequenceMatcher bug with long sequences versions: Python 2.5 _______________________________________ Python tracker <[EMAIL PROTECTED]> <http://bugs.python.org/issue4622> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
