Python 通过调用接口获取公交信息的实例

# -*- coding: utf-8 -*-import sys, urllib, urllib2, jsoncity=urllib.quote(sys.argv[1]);url = 'http://apis.baidu.com/xiaota/bus_lines/buses_lines?city=%s&bus=%s&direction=%s'%(city,sys.argv[2],sys.argv[3])print urlreq = urllib2.Request(url)req.add_header("apikey", "2f5da4b87cbd02a5f8be1189db99b6a8")resp = urllib2.urlopen(req)content = resp.read()if(content):    print(content)print "/n"busStation = json.loads(content)print busStation.keys()print busStation['data'].keys()print busStation['data']['stations']for bus in busStation['data']['stations']:        print bus['stateName']