MESHボタン押すとラズパイが天気しゃべるよ (http://masaponto.hatenablog.com/entry/2017/04/21/234752)

app.py

from bottledaemon import daemon_run
from bottle import route, run, get
from talk_weather import talk_weather, talk_datetime


@get('/test')
def test():
    return 'Hello Raspbery Pi!'


@get('/talk_weather')
def talk_today_weather():
    talk_datetime()
    talk_weather()

if __name__ == "__main__":
    daemon_run(host='0.0.0.0', port=8080)

jtalk.sh

#!/bin/sh

# Reference: http://raspi.seesaa.net/article/415482141.html

# 引数チェック
CMDNAME=`basename $0`
if [ $# -lt 1 ]; then
    echo "Usage: ${CMDNAME} [ text ]" 1>&2
    exit 1
fi 


# 定数定義（出力ファイル名、辞書の場所、音声データの場所）
TMPFILE=`mktemp /tmp/tmp.XXXXXXXX.wav`
DIC=/var/lib/mecab/dic/open-jtalk/naist-jdic
VOICE=/usr/share/hts-voice/mei/mei_normal.htsvoice


# 音声データ生成
echo "$1" | open_jtalk \
-x ${DIC} \
-m ${VOICE} \
-ow ${TMPFILE} && \


# 生成した音声データを再生する
aplay --quiet ${TMPFILE}

# 生成した音声データを削除する
rm -f ${TMPFILE}

# 終了
exit 0

mesh_talk_tag_execute.js

var apiURL = "http://<your-host>/talk_weather";

ajax ({
	url : apiURL,
	type : "get",
	timeout : 10000,
	success : function ( contents ) {
		
		callbackSuccess( {
			resultType : "continue",
		} );
	},
	error : function ( request, errorMessage ) {
		log("Day : Network error");

		callbackSuccess( {
			resultType : "continue",
		} );
	}
});


return {
	resultType : "continue"
};

mesh_talk_tag_initialize.js

return {
	resultType : "continue"
};

talk_weather.py

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

"""
Reference: http://raspi.seesaa.net/article/415530289.html
"""
import shlex
import subprocess

from datetime import datetime

import urllib2
import json

CMD_TALK = 'jtalk'


def talk_datetime():
    d = datetime.now()
    text = '%s月%s日、%s時%s分' % (d.month, d.day, d.hour, d.minute)
    text = CMD_TALK + ' ' + text
    print text
    proc = subprocess.Popen(shlex.split(text))
    proc.communicate()


def talk_weather():
    city = '070030'  # Aizu
    json_url = 'http://weather.livedoor.com/forecast/webservice/json/v1'

    weather_text = u'%sの天気は%sです。'
    temperature_text = u'予想最高気温は、%s度、予想最低気温は、%s度です。'

    try:
        r = urllib2.urlopen('%s?city=%s' % (json_url, city))
        obj = json.loads(unicode(r.read()))

        forecasts = obj['forecasts']

        cast = forecasts[0]
        temperature = cast['temperature']
        today_w_txt = weather_text % (cast['dateLabel'], cast['telop'])

        if temperature['max'] is not None and temperature['min'] is not None:
            today_t_txt = temperature_text % (
                temperature['max']['celsius'], temperature['min']['celsius'])
            weather_str = today_w_txt + ' ' + today_t_txt
        else:
            weather_str = today_w_txt

        weather_str = weather_str.encode('utf-8')

        text = CMD_TALK + ' ' + weather_str
        print text
        proc = subprocess.Popen(shlex.split(text))
        proc.communicate()
    finally:
        r.close()


def main():
    talk_datetime()
    talk_weather()

if __name__ == "__main__":
    main()