Pure-Python Japanese character interconverter for Hiragana, Katakana, Hankaku, Zenkaku and more


Keywords
Japanese, converter, text, preprocessing, half-width, kana, Hiragana, Katakana, Hankaku, Zenkaku, transliteration, Julius, character-converter, japanese-kana, japanese-language, pure-python, text-processing
License
MIT
Install
pip install jaconv==0.4.0

Documentation

jaconv

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jaconv (Japanese Converter) is interconverter for Hiragana, Katakana, Hankaku (half-width character) and Zenkaku (full-width character)

Japanese README is available.

INSTALLATION

$ pip install jaconv

USAGE

See also document

import jaconv

# Hiragana to Katakana
jaconv.hira2kata('ともえまみ')
# => 'トモエマミ'

# Hiragana to half-width Katakana
jaconv.hira2hkata('ともえまみ')
# => 'トモエマミ'

# Katakana to Hiragana
jaconv.kata2hira('巴マミ')
# => '巴まみ'

# half-width character to full-width character
# default parameters are followings: kana=True, ascii=False, digit=False
jaconv.h2z('ティロ・フィナーレ')
# => 'ティロ・フィナーレ'

# half-width character to full-width character
# but only ascii characters
jaconv.h2z('abc', kana=False, ascii=True, digit=False)
# => 'abc'

# half-width character to full-width character
# but only digit characters
jaconv.h2z('123', kana=False, ascii=False, digit=True)
# => '123'

# half-width character to full-width character
# except half-width Katakana
jaconv.h2z('アabc123', kana=False, digit=True, ascii=True)
# => 'アabc123'

# an alias of h2z
jaconv.hankaku2zenkaku('ティロ・フィナーレabc123')
# => 'ティロ・フィナーレabc123'

# full-width character to half-width character
# default parameters are followings: kana=True, ascii=False, digit=False
jaconv.z2h('ティロ・フィナーレ')
# => 'ティロ・フィナーレ'

# full-width character to half-width character
# but only ascii characters
jaconv.z2h('abc', kana=False, ascii=True, digit=False)
# => 'abc'

# full-width character to half-width character
# but only digit characters
jaconv.z2h('123', kana=False, ascii=False, digit=True)
# => '123'

# full-width character to half-width character
# except full-width Katakana
jaconv.z2h('アabc123', kana=False, digit=True, ascii=True)
# => 'アabc123'

# an alias of z2h
jaconv.zenkaku2hankaku('ティロ・フィナーレabc123')
# => 'ティロ・フィナーレabc123'

# normalize
jaconv.normalize('ティロ・フィナ〜レ', 'NFKC')
# => 'ティロ・フィナーレ'

# Hiragana to alphabet
jaconv.kana2alphabet('じゃぱん')
# => 'japan'

# Alphabet to Hiragana
jaconv.alphabet2kana('japan')
# => 'じゃぱん'

# Katakana to Alphabet
jaconv.kata2alphabet('ケツイ')
# => 'ketsui'

# Alphabet to Katakana
jaconv.alphabet2kata('namba')
# => 'ナンバ'

# Hiragana to Julius's phoneme format
jaconv.hiragana2julius('てんきすごくいいいいいい')
# => 't e N k i s u g o k u i:'

NOTE

jaconv.normalize method expand unicodedata.normalize for Japanese language processing.

'〜' => 'ー'
'~' => 'ー'
"’" => "'"
'”'=> '"'
'“' => '``'
'―' => '-'
'‐' => '-'
'˗' => '-'
'֊' => '-'
'‐' => '-'
'‑' => '-'
'‒' => '-'
'–' => '-'
'⁃' => '-'
'⁻' => '-'
'₋' => '-'
'−' => '-'
'﹣' => 'ー'
'-' => 'ー'
'—' => 'ー'
'―' => 'ー'
'━' => 'ー'
'─' => 'ー'