爬虫之爬取斗鱼官网LOL部分主播的状态

一个爬虫小程序 爬取主播的排名及观看人数

import re
import requests
import request
class Spider():
    url = 'https://www.douyu.com/g_lol'
    root_pattern = '<p>([\s\S]*?)</p>'
    name_pattern = '<span class="dy-name ellipsis fl">([\s\S]*?)</span>'
    number_pattern = '<span class="dy-num fr"  >([\s\S]*?)</span>'

    def __fetch_content(self):
        r = requests.get(Spider.url)
        htmls = r.text
        return htmls

    def __analysis(self, htmls):
        root_htmls = re.findall(Spider.root_pattern, htmls)
        anchors = []
        for html in root_htmls:
            name = re.findall(Spider.name_pattern, html)
            number = re.findall(Spider.number_pattern, html)
            anchor = {'name': name, 'number': number}
            anchors.append(anchor)
        return anchors

    def __refine(self, anchors):
        l = lambda anchor: {
            'name': anchor['name'][0],
            'number': anchor['number'][0]
            }
        return map(l, anchors)

    def __sort(self, anchors):
        anchors = sorted(anchors, key=self.__sort_seed, reverse=True)
        return anchors

    def __sort_seed(self, anchor):
        r = re.findall('\d*', anchor['number'])
        number = float(r[0])
        if '万' in anchor['number']:
            number *= 10000
        return number

    def __show(self, anchors):
        for rank in range(0, len(anchors)):
            print(
                '人数排名' + str(rank + 1)
                + ' : ' + anchors[rank]['name']
                + '~~~~~~' + anchors[rank]['number']
            )

    def go(self):
        htmls = self.__fetch_content()
        anchors = self.__analysis(htmls)
        anchors = list(self.__refine(anchors))
        anchors = self.__sort(anchors)
        self.__show(anchors)

spider = Spider()
spider.go()

运行结果：

喜欢的朋友们可以去看主播的排名啦