[Python-Dev] Normalisation of unicode and keywords
vano at mail.mipt.ru
Fri May 18 09:38:59 EDT 2018
On 18.05.2018 14:46, Steven D'Aprano wrote:
> Stephan Houben noticed that Python apparently allows identifiers to be
> keywords, if you use Unicode "mathematical bold" letters. His
> explanation is that the identifier is normalised, but not until after
> keywords are checked for. So this works:
> class Spam:
> locals()['if'] = 1
> Spam.𝐢𝐟 # U+1D422 U+1D41F
> # returns 1
> Of course Spam.if fails with SyntaxError.
> Should this work? Is this a bug, a feature, or an accident of
> implementation we can ignore?
Voting for bug:
Either those identifiers should be considered equal, or they shouldn't.
They can't be considered "partially" equal.
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