【爬虫】爬取酷狗音乐榜单热搜榜前100名歌曲歌手名称加歌单

# By Vax
# At time - 2021/1/3 15:40
# linked from
import json, requests
from lxml import etree

class KuDog(object):
    def __init__(self):
        self.base_url = 'https://www.kugou.com/yy/singer/index/%s-%s-1.html'
        self.headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36'
        }
        self.parse()

    # ---------------通过url获取该页面的内容，返回xpath对象
    def get_xpath(self, url, headers):
        try:
            response = requests.get(url, headers=headers)
            return etree.HTML(response.text)
        except Exception:
            print(url, '该页面没有相应！')
            return ''

    # --------------------通过歌手详情页获取歌手简介
    def parse_info(self, url):
        html = self.get_xpath(url, self.headers)
        info = html.xpath('//div[@class="intro"]/p/text()')
        return info[0]

    # --------------------------写入方法
    def write_json(self, value):
        with open('kugou.json', 'a+', encoding='utf-8') as file:
            json.dump(value, file)

    # -----------------------------用ASCII码值来变换abcd...
    def parse(self):
        for j in range(97, 124):
            # 小写字母为97-122，当等于123的时候我们按歌手名单的其他算，路由为null
            if j < 123:
                p = chr(j)
            else:
                p = "null"
            for i in range(1, 6):
                response = requests.get(self.base_url % (i, p), headers=self.headers)
                # print(response.text)
                html = etree.HTML(response.text)
                # 由于数据分两个url，所以需要加起来数据列表
                name_list1 = html.xpath('//ul[@id="list_head"]/li/strong/a/text()')
                sing_list1 = html.xpath('//ul[@id="list_head"]/li/strong/a/@href')
                name_list2 = html.xpath('//div[@id="list1"]/ul/li/a/text()')
                sing_list2 = html.xpath('//div[@id="list1"]/ul/li/a/@href')
                singer_name_list = name_list1 + name_list2
                singer_sing_list = sing_list1 + sing_list2
                # print(singer_name_list,singer_sing_list)
                for i, name in enumerate(singer_name_list):
                    item = {}
                    item['名字'] = name
                    item['歌单'] = singer_sing_list[i]
                    # item['歌手信息']=parse_info(singer_sing_list[i])#被封了
                    print(item)
                    self.write_json(item)

music = KuDog()