https://ja.stackoverflow.com/q/37648/19110

docomo-bot.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Docomoの雑談対話APIを使ってチャットできるスクリプト (Python 3)
# https://ja.stackoverflow.com/q/37648/19110

import sys
import urllib.request
import json
import os

APP_URL = 'https://api.apigw.smt.docomo.ne.jp/dialogue/v1/dialogue'

class DocomoChat(object):
    def __init__(self, api_key):
        api_key = os.environ.get('DOCOMO_DIALOGUE_API_KEY', api_key)
        super(DocomoChat, self).__init__()
        self.api_url = APP_URL + ('?APIKEY=%s' % api_key)
        self.context, self.mode = None, None

    def __send_message(self, input_message = '', custom_dict = None):
        req_data = {'utt': input_message}
        if self.context:
            req_data['context'] = self.context
        if self.mode:
            req_data['mode'] = self.mode
        if custom_dict:
            req_data.update(custom_dict)
        request = urllib.request.Request(self.api_url,
                                         data = json.dumps(req_data).encode('utf-8'))
        request.add_header('Content-Type', 'application/json')
        try:
            response = urllib.request.urlopen(request)
        except Exception as e:
            print(e)
            sys.exit()
        return response

    def __process_response(self, response):
        resp_json = json.load(response)
        self.context = resp_json['context']
        self.mode    = resp_json['mode']
        return resp_json['utt']

    def send_and_get(self, input_message):
        response = self.__send_message(input_message)
        received_message = self.__process_response(response)
        return received_message


    def set_name(self, name, yomi):
        response = self.__send_message(custom_dict = {'nickname': name, 'nickname_y': yomi})
        received_message = self.__process_response(response)
        return received_message


def main():
    chat = DocomoChat('your-api-key')
    resp = chat.set_name('あなたのニックネーム', 'ニックネームのヨミガナ')
    print('相手　 : %s' % resp)
    message = ''
    while message != 'バイバイ':
        message = input('あなた : ')
        resp = chat.send_and_get(message)
        print('相手　 : %s' % resp)

if __name__ == "__main__":
    main()