[issue17331] Fix str methods for detecting digits with unicode

[Mathieu Pasquet]

Mathieu Pasquet added the comment:

I understand the reasoning behind the feature, and the will to be unicode-compliant, but I think this might still break a lot of code (though it may never be detected).

I understand that isdecimal() is the safe way, because anything that is a decimal (Nd) can be translated to an integer by int() ; however, what is the recommended way to get something that isnumeric() into an int?

unicodedata.normalize('NFKD', num) or unicodedata.normalize('NFKC', num)?

Maybe str could have a method that does this, or methods performing exclusively on ascii values?

Sorry for the noise, I did not find issue 10557 when I searched.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17331>
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