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Take unicode string, leave czech characters, normalize rest.

Project Description


Sanitize unicode inputs from unwanted characters.

Principle of the module is simple; Use translation table. If the character is not in translation table, convert it to latin2. If it can’t be converted, try to normalize it using unicode NKFD normalization. If it can’t be normalized, replace it with ?.


>>> from normalize_cz_unicode import normalize
>>> print normalize("Tohle je smajlík: 😭 , který tu ale nechci.")
Tohle je smajlík: ? , který tu ale nechci.

Various whitespace and special dash characters are normalized to basic ascii:

>>> a = u"Spojovníky ― a další havěť jako nedělitelné mezery taky nechci."
u'Spojovn\xedky \u2015 a dal\u0161\xed hav\u011b\u0165 jako ned\u011bliteln\xe9\u202fmezery\u2007taky nechci.'
>>> normalize(a)
u'Spojovn\xedky - a dal\u0161\xed hav\u011b\u0165 jako ned\u011bliteln\xe9 mezery taky nechci.'


Module is hosted at PYPI, and can be installed using PIP:

sudo pip install normalize_cz_unicode



  • Added caching.


  • First working version.
  • Added tests.
  • Added documentation to README.rst.
  • Uploaded to PYPI.


  • Project created.

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