[Python-Dev] What does a double coding cookie mean?

Serhiy Storchaka storchaka at gmail.com
Thu Mar 17 10:02:55 EDT 2016

On 17.03.16 15:14, M.-A. Lemburg wrote:
> On 17.03.2016 01:29, Guido van Rossum wrote:
>> Should we recommend that everyone use tokenize.detect_encoding()?
> I'd prefer a separate utility for this somewhere, since
> tokenize.detect_encoding() is not available in Python 2.
> I've attached an example implementation with tests, which works
> in Python 2.7 and 3.

Sorry, but this code doesn't match the behaviour of Python interpreter, 
nor other tools. I suggest to backport tokenize.detect_encoding() (but 
be aware that the default encoding in Python 2 is ASCII, not UTF-8).

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