“最美天气”Python抓取天气

import urllib.request
import urllib.parse
import json

"""
    利用“最美天气”抓取即时天气情况
    http://www.zuimeitianqi.com/

"""

class ZuiMei():
    def __init__(self):
        self.url = 'http://www.zuimeitianqi.com/zuimei/queryWeather'
        self.headers = {}
        self.headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36'
        # 部分城市的id信息
        self.cities = {}
        self.cities['成都'] ='01012703'
        self.cities['杭州'] = '01013401'
        self.cities['深圳'] = '01010715'
        self.cities['广州'] = '01010704'
        self.cities['上海'] = '01012601'
        self.cities['北京'] = '01010101'
        # Form Data
        self.data = {}
        self.city = '北京'
        
    
    def query(self,city='北京'):
        if city not in self.cities:
            print('暂时不支持当前城市')
            return
        self.city = city
        data = urllib.parse.urlencode({'cityCode':self.cities[self.city]}).encode('utf-8')
        req = urllib.request.Request(self.url,data,self.headers)
        response = urllib.request.urlopen(req)

        html = response.read().decode('utf-8')
        # 解析json数据并打印结果
        self.json_parse(html)
 
     def json_parse(self,html):
        target = json.loads(html)
        actual = target['data'][0]['actual']
        high_temp = actual['high']
        low_temp = actual['low']
        current_temp = actual['tmp']
        today_wea = actual['wea']
        air_desc = actual['desc']
        # 上海 6~-2°C 现在温度 1°C 湿度：53 空气质量不好，注意防霾。 
        print('%s: %s~%s°C 现在温度 %s°C 湿度：%s %s'%(
            self.city,high_temp,low_temp,current_temp,today_wea,air_desc))

      

if __name__ == '__main__':
    zuimei = ZuiMei()
    zuimei.query('广州')