Use MeCab to fetch readings

I was addicted to installing python-mecab, so I just wanted to do what Pat read, so I decided to just hit the mecab command.

mecab can get the reading like this (it can not be taken unless it is in the dictionary)

$ echo "Apple" | mecab -Oyomi
Apple

So, here's a script that pulls the name from Django's model and converts it to Yomigana.

yomigana.py


# -*- coding: utf-8 -*-

import os
import sys

import re
from subprocess import Popen, PIPE

import jcconv

from django.conf import settings

sys.path.append(os.path.abspath(os.path.dirname('.')))
os.environ['DJANGO_SETTINGS_MODULE'] = 'hogehoge.settings'

from hogehoge.apps.fuga.models import Piyo

def get_yomigana(text):
    p1 = Popen(['echo', text], stdout=PIPE)
    p2 = Popen(['mecab', '-Oyomi'], stdin=p1.stdout, stdout=PIPE)
    p1.stdout.close()
    output = p2.communicate()[0]
    return re.sub(r'\n', '', output)

for piyo in Piyo.objects.all():
    yomigana = jcconv.kata2hira(jcconv.half2hira(get_yomigana(piyo.name )))

    print ','.join([str(user.id), piyo.name.encode('cp932'), yomigana.decode('utf8').encode('cp932')])

The project name is hogehoge. I referred to the following manual for hitting external commands.

-17.1. Subprocess — Subprocess Management — Python 2.7ja1 documentation

Apparently, os.system is going to be abolished (2.7)

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