Source code for konlp.stem.api

# Copyright (C) 2017 - 0000 KoNLTK project
# Korean Natural Language Toolkit:
# Author: HyunYoung Lee <>
#         GyuHyeon Nam <>
#         Seungshik Kang <>
# URL: <>
# For license information, see LICENSE.TXT
# ============================================================
"""Korean Natural Language Toolkit stemmer interface"""

from abc import ABCMeta, abstractmethod
from six import add_metaclass

[docs]@add_metaclass(ABCMeta) class StemmerI(object): """Stemmer Interface"""
[docs] @abstractmethod def stem(self, token): """Strip affixes from the token and return the stem. Args: token (str): The token that should be stemmed. Returns: str: Stemming token Raises: NotImplementedError: If not implement this method on a class that extends this class """ raise NotImplementedError()
[docs]class SimpleStemmer(StemmerI): """For an example about how to use the interface above"""
[docs] def stem(self, token): """주격, 목적격 조사를 제거하는 stemmer Args: token (str): 조사를 제거할 토큰 Returns: str: 조사가 제거된 토큰 """ if token[-1] in "은는이가을를": return token[:-1] else: return token