get odakyu-line infomation. from its official twitter acounts

GetOdakyulineInfo.py

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

import sys
import json
import urllib2
from datetime import *

_MONTH = {u'Jan':u'01', u'Feb':u'02', u'Mar':u'03', u'Apr':u'04',
          u'May':u'05', u'Jun':u'06', u'Jul':u'07', u'Aug':u'08',
          u'Sep':u'09', u'Oct':u'10', u'Nov':u'11', u'Dec':u'12'}

def main():
    url = 'http://api.twitter.com/1/statuses/user_timeline/odakyuline_info.json?count=1'
    contents = urllib2.urlopen(url)
    tweets = contents.readlines()
    val = json.loads(tweets[0],'utf-8')
    if _isNew(val[0]['created_at']):
        return val[0]['text']
    else:
        return 'no recent info'


def _isNew(twitime):
    #twitterに合わせて世界標準時刻
    tmp = twitime.split(' ')
    tmp_times = tmp[3].split(':')
    twitime = datetime(int(tmp[-1]), int(_MONTH[tmp[1]]), int(tmp[2]),
            int(tmp_times[0]), int(tmp_times[1]), int(tmp_times[2]))

    gap = datetime.utcnow() - twitime
    return (gap <= timedelta(hours=3))



if __name__ == '__main__':
    sys.stdout.write(main())