Homoglyphs: get similar letters, convert to ASCII, detect possible languages and UTF-8 group.
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homoglyphs
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README.md

Homoglyphs

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Homoglyphs -- python library for getting homoglyphs and converting to ASCII.

Features

It's smarter version of confusable_homoglyphs:

  • Autodect or manual choosing category (aliases from ISO 15924).
  • Auto or manual load only needed alphabets in memory.
  • Converting to ASCII.
  • More configurable.
  • More stable.

Installation

sudo pip install homoglyphs

Usage

Importing:

import homoglyphs as hg

Languages

#detect
hg.Languages.detect('w')
# {'pl', 'da', 'nl', 'fi', 'cz', 'sr', 'pt', 'it', 'en', 'es', 'sk', 'de', 'fr', 'ro'}
hg.Languages.detect('т')
# {'mk', 'ru', 'be', 'bg', 'sr'}
hg.Languages.detect('.')
# set()

# get alphabet for languages
hg.Languages.get_alphabet(['ru'])
# {'в', 'Ё', 'К', 'Т', ..., 'Р', 'З', 'Э'}

# get all languages
hg.Languages.get_all()
# {'nl', 'lt', ..., 'de', 'mk'}

Categories

Categories -- (aliases from ISO 15924).

#detect
hg.Categories.detect('w')
# 'LATIN'
hg.Categories.detect('т')
# 'CYRILLIC'
hg.Categories.detect('.')
# 'COMMON'

# get alphabet for categories
hg.Categories.get_alphabet(['CYRILLIC'])
# {'ӗ', 'Ԍ', 'Ґ', 'Я', ..., 'Э', 'ԕ', 'ӻ'}

# get all categories
hg.Categories.get_all()
# {'RUNIC', 'DESERET', ..., 'SOGDIAN', 'TAI_LE'}

Homoglyphs

Get homoglyphs:

# get homoglyphs (latin alphabet initialized by default)
hg.Homoglyphs().get_combinations('q')
# ['q', '𝐪', '𝑞', '𝒒', '𝓆', '𝓺', '𝔮', '𝕢', '𝖖', '𝗊', '𝗾', '𝘲', '𝙦', '𝚚']

Alphabet loading:

# load alphabet on init by categories
homoglyphs = hg.Homoglyphs(categories=('LATIN', 'COMMON', 'CYRILLIC'))  # alphabet loaded here
homoglyphs.get_combinations('гы')
# ['rы', 'гы', 'ꭇы', 'ꭈы', '𝐫ы', '𝑟ы', '𝒓ы', '𝓇ы', '𝓻ы', '𝔯ы', '𝕣ы', '𝖗ы', '𝗋ы', '𝗿ы', '𝘳ы', '𝙧ы', '𝚛ы']

# load alphabet on init by languages
homoglyphs = hg.Homoglyphs(languages={'ru', 'en'})  # alphabet will be loaded here
homoglyphs.get_combinations('гы')
# ['rы', 'гы']

# manual set alphabet on init      # eng rus
homoglyphs = hg.Homoglyphs(alphabet='abc абс')
homoglyphs.get_combinations('с')
# ['c', 'с']

# load alphabet on demand
homoglyphs = hg.Homoglyphs(languages={'en'}, strategy=hg.STRATEGY_LOAD)
# ^ alphabet will be loaded here for "en" language
homoglyphs.get_combinations('гы')
# ^ alphabet will be loaded here for "ru" language
# ['rы', 'гы']

You can combine categories, languages, alphabet and any strategies as you want.

Converting glyphs to ASCII chars

homoglyphs = hg.Homoglyphs(languages={'en'}, strategy=hg.STRATEGY_LOAD)

# convert
homoglyphs.to_ascii('тест')
# ['tect']
homoglyphs.to_ascii('ХР123.')  # this is cyrillic "х" and "р"
# ['XP123.', 'XPI23.', 'XPl23.']

# string with chars which can't be converted by default will be ignored
homoglyphs.to_ascii('лол')
# []

# you can set strategy for removing not converted non-ASCII chars from result
homoglyphs = hg.Homoglyphs(
    languages={'en'},
    strategy=hg.STRATEGY_LOAD,
    ascii_strategy=hg.STRATEGY_REMOVE,
)
homoglyphs.to_ascii('лол')
# ['o']