How Can I Efficiently Remove Accents from Unicode Strings in Python?

Removing Accents from Python Unicode Strings

When working with Unicode strings in Python, it can be necessary to remove accents or diacritics. This can be achieved by converting the string to its "long normalized form" and then removing all characters classified as "diacritic."

Python Standard Library

Before installing additional libraries, check the Python standard library. The unicodedata module provides functions for working with Unicode characters, including normalization. However, it does not offer a straightforward way to remove accents by character type.

PyICU and Python 3

PyICU is a library that implements the ICU (International Components for Unicode) data and APIs. It provides advanced Unicode support, including normalization and character classification. However, pyICU is not part of the Python standard library and requires installation.

For Python 3, the unidecode library is a more convenient option. It provides a simple, cross-platform solution for transliterating Unicode strings into their closest ASCII equivalents.

Example

from unidecode import unidecode

original = "kožušček"
normalized = unidecode(original)

print(normalized)  # Output: kozuscek

This method is straightforward and efficient for removing accents from Python Unicode strings. It eliminates the need for explicit character mapping or complex normalization and classification procedures.

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