Le 03/02/2018 à 23:04, Franklin? Lee a écrit : > Let s be a str. I propose to allow these existing str methods to take > params in new forms. > > s.replace(old, new): > Allow passing in a collection of olds. > Allow passing in a single argument, a mapping of olds to news. > Allow the olds in the mapping to be tuples of strings. > > s.split(sep), s.rsplit, s.partition: > Allow sep to be a collection of separators. > > s.startswith, s.endswith: > Allow argument to be a collection of strings. > > s.find, s.index, s.count, x in s: > Similar. > These methods are also in `list`, which can't distinguish between > items, subsequences, and subsets. However, `str` is already inconsistent > with `list` here: list.M looks for an item, while str.M looks for a > subsequence. > > s.[r|l]strip: > Sadly, these functions already interpret their str arguments as > collections of characters. >
I second that proposal. I regularly need those and feel frustrated when it doesn't work. I even wrote a wrapper that does exactly this : https://github.com/Tygs/ww/blob/master/src/ww/wrappers/strings.py But because it's pure Python, it's guaranteed to be slow. Plus you need to install it every time you need it. _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
