Home Original page

[Python-ideas] Stop displaying elements of bytes objects as printable ASCII characters in CPython 3

Ethan Furman ethan at stoneleaf.us
Mon Sep 15 17:16:58 CEST 2014 
On 09/15/2014 07:44 AM, Steven D'Aprano wrote:
> On Mon, Sep 15, 2014 at 07:24:17AM -0700, Ethan Furman wrote:
>
>>> In Python 2, hex() calls the dunder method __hex__. That has been
>>> removed in Python 3. Does anyone know why?
>>
>> __hex__ and __oct__ were removed in favor of __index__.  __index__ returns
>> the number as an integer (if possible to do so without conversion from,
>> say, float or complex or ...).  __hex__ and __oct__ did the same, and were
>> redundant.
>
> No, __hex__ returned a string. It could be used to implement (say) a
> floating point hex representation, or hex() of bytes.

Right, sorry.  I had the wrong return type in mind.  Now you have to use the hex format codes.

> I don't suppose anyone would support bringing back __hex__?

I don't think we need another formatting operator.  we already have % and .format() -- do we still have string templates?

--
~Ethan~
More information about the Python-ideas mailing list