| # Natural Language Toolkit: Stemmer Interface | |
| # | |
| # Copyright (C) 2001-2023 NLTK Project | |
| # Author: Trevor Cohn <tacohn@cs.mu.oz.au> | |
| # Edward Loper <edloper@gmail.com> | |
| # Steven Bird <stevenbird1@gmail.com> | |
| # URL: <https://www.nltk.org/> | |
| # For license information, see LICENSE.TXT | |
| from abc import ABCMeta, abstractmethod | |
| class StemmerI(metaclass=ABCMeta): | |
| """ | |
| A processing interface for removing morphological affixes from | |
| words. This process is known as stemming. | |
| """ | |
| def stem(self, token): | |
| """ | |
| Strip affixes from the token and return the stem. | |
| :param token: The token that should be stemmed. | |
| :type token: str | |
| """ | |