[Python-ideas] Improve error message when missing 'self' in method definition
Lisa Roach
lisaroach14 at gmail.com
Wed Oct 5 13:17:35 EDT 2016
+1
I've definitely seen a lot of new users make this error, an improved
message could go a long way.
On Tue, Oct 4, 2016 at 1:52 PM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:
> Hi all,
>
> Recently pypy received a patch that improves the error message one gets
> when 'self' is missing in a method's signature:
>
> https://mail.python.org/pipermail/pypy-dev/2016-September/014678.html
>
> Here are the commits that implement the change in pypy:
>
> https://bitbucket.org/pypy/pypy/commits/all?search=
> branch(better-error-missing-self)
>
> I'm curious whether a similar improvement would also be received well in
> CPython. In particular, this guides one to the correct solution for a
> common programming mistake made by newcomers (and even not-so-newcomers).
>
> Here is a case study that found this was a common source of errors for
> newcomers:
>
> http://dl.acm.org/citation.cfm?id=2960327
>
> -Nathan
>
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