[issue31042] Inconsistency in documentation of operator.index

[Joseph Fox-Rabinovitz]

Joseph Fox-Rabinovitz added the comment:

I brought up the issue because it was really a point of confusion for me.
Could we make the change to "Roughly equivalent" and make that a link to
https://docs.python.org/3/reference/datamodel.html#special-method-lookup?
That would make it clear how the lookup is actually done.

While I agree that making the docs unnecessarily pedantic is probably a bad
thing, I am going to guess that I am not the only person that looks to them
for technical accuracy.

Regards,

    -Joe

On Thu, Jul 27, 2017 at 4:04 PM, R. David Murray <report at bugs.python.org>
wrote:

>
> R. David Murray added the comment:
>
> I agree with Raymond.  I'm not sure that adding roughly is going to
> decrease the possibility of confusion, but I won't object to it.
>
> In a way, it's too bad we didn't make the attribute lookup machinery look
> up all dunder methods on the class, so that a.__index__ would call the
> class method.  I think backward compatibility prevented that.
>
> ----------
> nosy: +r.david.murray
>
> _______________________________________
> Python tracker <report at bugs.python.org>
> <http://bugs.python.org/issue31042>
> _______________________________________
>

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