YahooAPI.py

import requests
import xmltodict

class YahooAPI:
    _base_url = 'https://jlp.yahooapis.jp/FuriganaService/V1/furigana'
    _client_id = ''
    _secret_key = ''
    kana_xml = None
    kana_api_url = None
    headers = None
    grade = 1

    def __init__(self):
        self.headers = {
            'User-Agent': f'Yahoo AppID: {self._client_id}',
            'Content-Type': 'application/x-www-form-urlencoded',
        }
    def _set_headers_contents_length(self, text):
        url_encoded_text = requests.utils.quote(text)
        self.headers['Content-Length'] = str(9 + len(url_encoded_text))

    def _ask_kana_xml(self, text):
        if self.kana_xml is not None: return self.kana_xml
        data = {
            'sentence':text,
            'grade':self.grade,
        }
        self._set_headers_contents_length(text)
        result = requests.post(self._base_url,data=data,headers=self.headers)
        self.kana_xml = xmltodict.parse(result.text)

    def _create_kana_text(self):
        if self.kana_xml is None:
            raise Exception('self.kana_xml is None. Please run ask_kana_xml() before this function.')
        word_list = self.kana_xml['ResultSet']['Result']['WordList']['Word']
        text = ''
        for word in word_list:
            kana = word.get('Furigana')
            if kana is None:
                surface = word.get('Surface')
                if surface is None:surface = ' '
                text += surface
                continue
            text += kana
        return text
    def to_kana_text(self, text):
        self._ask_kana_xml(text)
        return self._create_kana_text()