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confusable_homoglyphs

ϲοnfuѕаblе_һοmоɡlyphs

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confusable_homoglyphs [doc] <http://confusable-homoglyphs.readthedocs.io/en/latest/>__

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a homoglyph is one of two or more graphemes, characters, or glyphs with shapes that appear identical or very similar wikipedia:Homoglyph <https://en.wikipedia.org/wiki/Homoglyph>__

Unicode homoglyphs can be a nuisance on the web. Your most popular client, AlaskaJazz, might be upset to be impersonated by a trickster who deliberately chose the username ΑlaskaJazz.

  • AlaskaJazz is single script: only Latin characters.
  • ΑlaskaJazz is mixed-script: the first character is a greek letter.

You might also want to avoid people being tricked into entering their password on www.micros оft.com or www.faϲebook.com instead of www.microsoft.com or www.facebook.com. Here is a utility <http://unicode.org/cldr/utility/confusables.jsp>__ to play with these confusable homoglyphs.

Not all mixed-script strings have to be ruled out though, you could only exclude mixed-script strings containing characters that might be confused with a character from some unicode blocks of your choosing.

  • Allo and ρττ are fine: single script.
  • AlloΓ is fine when our preferred script alias is 'latin': mixed script, but Γ is not confusable.
  • Alloρ is dangerous: mixed script and ρ could be confused with p.

This library is compatible Python 2 and Python 3.

API documentation <http://confusable-homoglyphs.readthedocs.io/en/latest/apidocumentation.html>__

Is the data up to date?

Yep.

The unicode blocks aliases and names for each character are extracted from this file <http://www.unicode.org/Public/UNIDATA/Scripts.txt>__ provided by the unicode consortium.

The matrix of which character can be confused with which other characters is built using this file <http://www.unicode.org/Public/security/latest/confusables.txt>__ provided by the unicode consortium.

This data is stored in two JSON files: categories.json and confusables.json. If you delete them, they will both be recreated by downloading and parsing the two abovementioned files and stored as JSON files again.

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