neologdn is a Japanese text normalizer for mecab-neologd.
The normalization is based on the neologd's rules: https://github.com/neologd/mecab-ipadic-neologd/wiki/Regexp.ja
Contributions are welcome!
NOTE: Installing this module requires C++11 compiler.
$ pip install neologdn
import neologdn
neologdn.normalize("ハンカクカナ")
# => 'ハンカクカナ'
neologdn.normalize("全角記号!?@#")
# => '全角記号!?@#'
neologdn.normalize("全角記号例外「・」")
# => '全角記号例外「・」'
neologdn.normalize("長音短縮ウェーーーーイ")
# => '長音短縮ウェーイ'
neologdn.normalize("チルダ削除ウェ~∼∾〜〰~イ")
# => 'チルダ削除ウェイ'
neologdn.normalize("いろんなハイフン˗֊‐‑‒–⁃⁻₋−")
# => 'いろんなハイフン-'
neologdn.normalize(" PRML 副 読 本 ")
# => 'PRML副読本'
neologdn.normalize(" Natural Language Processing ")
# => 'Natural Language Processing'
neologdn.normalize("かわいいいいいいいいい", repeat=6)
# => 'かわいいいいいい'
# Sample code from
# https://github.com/neologd/mecab-ipadic-neologd/wiki/Regexp.ja#python-written-by-hideaki-t--overlast
import normalize_neologd
%timeit normalize(normalize_neologd.normalize_neologd)
# => 1 loop, best of 3: 18.3 s per loop
import neologdn
%timeit normalize(neologdn.normalize)
# => 1 loop, best of 3: 9.05 s per loop
neologdn is about x2 faster than sample code.
details are described as the below notebook: https://github.com/ikegami-yukino/neologdn/blob/master/benchmark/benchmark.ipynb
Apache Software License.