入力した文章の名詞をぐちゃぐちゃに入れ替える.py

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

import MeCab
import random


def make_strange(message, options={}):
    tagger = MeCab.Tagger('mecabrc')

    text = message.encode('utf-8')
    node = tagger.parseToNode(text)

    words = []
    nouns = []

    index = 0
    noun_index = 0
    while node:
        pos = node.feature.split(',')[0]
        word = node.surface
        noun = pos == '名詞'
        if noun:
            words.append([word, noun_index])
            nouns.append(word)
            noun_index = noun_index + 1
        else:
            words.append([word, -1])

        index = index + 1
        node = node.next

    random.shuffle(nouns)
    new_words = []

    for i, pair in enumerate(words):
        if pair[1] < 0:
            word = pair[0]
        else:
            word = nouns[pair[1]]
        new_words.append(word)


    return ''.join(new_words)