[Python-ideas] New explicit methods to trim strings

David Mertz mertz at gnosis.cx
Mon Mar 25 10:55:02 EDT 2019


All of this would be well served by a 3rd party library on PyPI.  Strings
already have plenty of methods (probably too many).  Having `stringtools`
would be nice to import a bunch of simple functions from.

On Mon, Mar 25, 2019 at 10:45 AM Alex Grigoryev <evrial at gmail.com> wrote:

> strip_prefix and strip_suffix I think are the best names from all and work
> perfectly with auto completion. Common use case:
>
> "      mailto:maria at gmail.com".strip().strip_prefix("mailto:")
>
>
> On Mar 25 2019, at 4:40 pm, Anders Hovmöller <boxed at killingar.net> wrote:
>
>
> Earlier, Anders wrote:
> I propose naming them strip_prefix() and strip_suffix() and just skip the
> one that does both sides since it makes no sense to me.
>
> This is good, except I prefer subtract_prefix(a, b), truncate_suffix etc.
> And for the two step process prefix_subtractor(a)(b) etc.
>
>
> I don't understand the logic for "subtract". That's not a thing for
> non-numbers.
>
> If you don't think "strip" is good, then I suggest "remove". Or one could
> also consider "without" since we're talking about something that removes
> /if present/ (making subtract even worse! Subtract doesn't stop at zero).
> So "without_prefix()".
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