get weather info for chaoyao district Beijing, CN

weather.py

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

import json
import httplib2


# Chaoyang district, Beijing, CN
chaoyang = 101010300

class ValidCityCode(object):
    valid_code = {
        101010300: 1,
    }

    def is_city_code_valid(self, city_code):
        if self.valid_code.get(city_code, 0):
            #print "your city code is ok"
            return True

# make sure your city code is ok
def get_url_by_city_code(city_code):
    return "http://www.weather.com.cn/data/sk/%s.html" % city_code

# get current weather info by city code
def weather(city_code):
    vcd = ValidCityCode()

    if not vcd.is_city_code_valid(city_code):
        print "seem you feed me an invlid place, Mars?"
        return False

    httpAgent =  httplib2.Http()
    url = get_url_by_city_code(city_code)
    response, content = httpAgent.request(url, 'GET')

    if not response.status == 200:
        print "Please try it again later"

    content_json = json.loads(content)['weatherinfo']
    print u"城市: ", content_json['city']
    print u"温度: ", content_json['temp'], "C"
    print u"风力: ", content_json['WS']


if __name__ == '__main__':
    weather(chaoyang)