On 22.03.2020 7:46, Steven D'Aprano wrote:
On Sun, Mar 22, 2020 at 06:57:52AM +0300, Ivan Pozdeev via Python-Dev wrote:
Does it need to be separate methods?
Yes.
Overloading a single method to do two dissimilar things is poor design.
They are similar. We're removing stuff from an edge in both cases. The only difference is whether input is treated as a character set or as
a raw substring.
As written in the PEP preface, the very reason for the PEP is that people
are continuously trying to use *strip methods for the suggested
functionality -- which shows that this is where they are expecting to find
it.
They are only expecting to find it in strip() because there is no other
alternative where it could be. There's nothing inherent about strip that
means to delete a prefix or suffix, but when the only other choices are
such obviously wrong methods as upper(), find(), replace(), count() etc
it is easy to jump to the wrong conclusion that strip does what is
wanted.
--
Regards,
Ivan
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