【转】百度api查询天气

import osimport urllib.requestimport urllib.parseimport jsonclass weather(object):    # 获取城市代码的uri    code_uri = "http://apistore.baidu.com/microservice/cityinfo?cityname="    # 获取天气信息的uri    weather_uri = "http://apistore.baidu.com/microservice/weather?cityid="    # 主处理逻辑    def mainHandle(self):        city_name = input("输入你要查询的天气：")        uri = self.code_uri + urllib.parse.quote(city_name)        ret = json.loads(urllib.request.urlopen(uri).read().decode("utf8"))        if ret['errNum'] != 0:            print(ret['retMsg'])            return False        else:            weather_uri = self.weather_uri + ret['retData']['cityCode']            data = json.loads(urllib.request.urlopen(weather_uri).read().decode("utf8"))            if data['errNum'] == 0:                ret_data = data['retData']                output = "城市名:" + city_name + "\r\n"                output += "更新时间:" + ret_data["date"] + " " + ret_data["time"] + "\r\n"                output += "天气:" + ret_data["weather"] + " [" + ret_data["WD"] + ret_data["WS"] + "]\r\n"                output += "当前温度:" + ret_data["temp"] + " (" + ret_data["h_tmp"] + " ---> " + ret_data["l_tmp"] + ")\r\n"                print(output)                return True            else:                print(data['errMsg'])                return Falseif __name__ == "__main__":    weather = weather()    weather.mainHandle()