Python difflib SequenceMatcher quick_ratio performance contribution

Hi everyone

Once in a while I’m trying to contribute something non-security related to an Open Source project. At the moment I’m teaching Python courses and found some of my old scripts that are pretty useful. I’m trying to contribute a performance optimized difflib.SequenceMatcher.quick_ratio to CPython. It’s not decided yet if it’s going to be in the stdlib or just a Python code recipe (maybe referenced in the docs). My implementation isn’t perfect yet, as soon as there is a decision I would further work on it. If you code in Python and you have used difflib.SequenceMatcher.quick_ratio, I’d be happy if you join the discussion on the Python-Ideas mailing list or on the Python issue tracker. We need some more opinions at the moment.

cheers,
floyd

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