[Python-Dev] What does a double coding cookie mean? (original) (raw)

M.-A. Lemburg mal at egenix.com
Thu Mar 17 13:23:00 EDT 2016

On 17.03.2016 15:02, Serhiy Storchaka wrote:

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.detectencoding()?

I'd prefer a separate utility for this somewhere, since tokenize.detectencoding() 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.detectencoding() (but be aware that the default encoding in Python 2 is ASCII, not UTF-8).

Yes, I got the default for Python 3 wrong. I'll fix that. Thanks for the note.

What other aspects are different than what Python implements ?

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