eKoNLPy

eKoNLPy is a Python library for Korean text processing in economic and financial research. It provides a MeCab based tagger with an economic vocabulary and lexicon based sentiment analyzers for Korean and English text.

This documentation follows the repository source, which may include unreleased changes. Published versions are listed on PyPI.

Install

python -m pip install ekonlpy

eKoNLPy supports Python 3.9 or newer, below Python 4. The main CI matrix tests Python 3.12-3.14 on Linux, macOS, and Windows, and Python 3.9-3.11 on Linux. For Jupyter or Colab, install into the active kernel:

%pip install ekonlpy

Quick start

from ekonlpy import Mecab

tagger = Mecab()
print(tagger.pos("금통위는 금리정책을 결정했다."))

The default tagger applies eKoNLPy's extended vocabulary. Use Mecab(use_original_tagger=True) for the underlying fugashi/MeCab tagger. Instances keep their dictionaries, synonyms, and lemmas separate from one another. See the documentation for tagging, custom vocabularies, sentiment analyzers, and the CLI.

Sentiment example

from ekonlpy.sentiment import MPKO

analyzer = MPKO(kind=1)
tokens = analyzer.tokenize("금리 인상이 필요하다")
print(analyzer.get_score(tokens))

The sentiment package also exports EUKO, KSA, HIV4, LM, and MPCK. KSA uses KoNLPy's Java backed Kkma tokenizer and is optional. The separate KOSAC analyzer is another optional KoNLPy integration.

Development

make install
make check
make test
make docs-test

Contributions and issue reports are welcome on GitHub. For project documentation and verification steps, see the contributing guide.

License and citation

eKoNLPy is released under the MIT License. Research users can cite the project and the monetary policy text mining paper listed in the contributing and citation notes.

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