pythonは中国の天気網に登って最低温度を示した.

import requests
from bs4 import BeautifulSoup
import lxml
import json
from echarts import Echart,Bar,Axis
import time

#        
weather_list = []
#    
city_list = []
#    
lowest_list =[]

#    
def getTemperature(url):
    result = requests.get(url)
    #print result.content
    soup = BeautifulSoup(result.content,'lxml')
    div_conMidTab =  soup.find("div",attrs={'class':'conMidtab'})
    div_conMidTab2 = div_conMidTab.find_all("div",attrs={'class':'conMidtab2'})
    for x in div_conMidTab2:
        tr_list = x.find_all("tr")[2:]
        provider =''
        for index,tr in enumerate(tr_list):
            td_list = tr.find_all('td')
            if index ==0:
                provider = td_list[0].text.replace('
','')
                city = td_list[1].text.replace('
','')
                #    
                hight_temperature = td_list[4].text
                #    
                low_temperatrue = td_list[7].text
            else:
                city = td_list[0].text.replace('
','')
                #     
                hight_temperature = td_list[3].text
                #    
                low_temperatrue = td_list[6].text
            print provider+'  '+city+'  '+low_temperatrue+'~'+hight_temperature
            weather_list.append({
                'city':provider+city,
                'min':low_temperatrue
            })
            city_list.append(provider+city)
            lowest_list.append(low_temperatrue)
        print '-' * 40

def main():
    result = requests.get('http://www.weather.com.cn/textFC/hb.shtml')
    soup = BeautifulSoup(result.content,'lxml')
    #    ，  ...      url           ，   
    li_list = soup.find("ul",attrs={'class':'lq_contentboxTab2'}).find_all('li')[0:-1]
    #      
    for li in li_list:
        url = 'http://www.weather.com.cn/'+li.find('a')['href']
        getTemperature(url)
        time.sleep(1)

    #      
    # line = json.dumps(weather_list,ensure_ascii=False)
    # with open ('weather.json','w') as fp:
    #     fp.write(line.encode('utf-8'))

    #     json  
    # with open('weather.json', 'r') as fp:
    #     weather_list = json.load(fp,encoding='utf-8')

    #       
    sort_weather_list = sorted(weather_list,lambda x,y:cmp(int(x['min']),int(y['min'])))
    #   20 
    TOP10_SORT_WEATHER_LIST = sort_weather_list[0:20]
    TOP10_CITY = []
    TOP10_MIN = []
    #               
    for city_min in TOP10_SORT_WEATHER_LIST:
        TOP10_CITY.append(city_min['city'])
        TOP10_MIN.append(city_min['min'])

    #    
    echart = Echart(u'    ','  ')
    #   
    bar = Bar(u'    ',TOP10_MIN)
    #  
    axis = Axis('category','bottom',data = TOP10_CITY)
    echart.use(bar)
    echart.use(axis)
    echart.plot()


if __name__ == '__main__':
    main()