gistfile1.py

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

import re
import os
import sys
import json
import urllib
import urllib2
import hashlib

bot_id = 'shoutbot'
bot_secret = 'UUOJ3DJRC5VwrPBwNxkG2leZZ0n'
bot_verifier = hashlib.sha1(bot_id + bot_secret).hexdigest() + bot_id + bot_secret

calc_url = 'http://www.google.co.jp/ig/calculator'

def main():
    print 
    content_length = int(os.environ['CONTENT_LENGTH'])
    query = sys.stdin.read(content_length)
    array = json.loads(query)
    status = array['status']
    counter = array['counter']
    events = array['events']
    for event in events:
        event_id = event['event_id']
        message = event['message']
        id = message['id']
        room = message['room']
        public_session_id = message['public_session_id']
        icon_url = message['icon_url']
        speaker_id = message['speaker_id']
        nickname = message['nickname']
        text = message['text']
        timestamp = message['timestamp']
        local_id = message['local_id']
        gcreg = re.compile(r'calc\(\S+\)')
        formula = gcreg.search(text).group()[5:-1]
        calc_param = urllib.urlencode({'q' : formula})
        calc_urle = calc_url + '?' + calc_param
        calc_req = urllib2.urlopen(calc_urle)
        calc_result = calc_req.read()
        calc_re = re.compile('\{lhs:\s\\\"(.*)\\\",rhs:\s\\\"(\d+.?\d+)\\\",error:\s\\\"(.*)\\\",icc:\s(.*)\}')
        calc_m = calc_re.match(formula)
        print calc_m.group(2)
    print 'test'    
    
if __name__ == u'__main__':
    main()