requests爬虎牙频道和主播信息-优快云博客

本文链接：https://blog.youkuaiyun.com/zhugeaming1314/article/details/84915382

本文介绍了一个使用Python编写的爬虫程序，该程序能够抓取虎牙直播平台的所有分类及其相关信息，包括主播昵称、直播间的名称以及观众人数等数据。

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2018/1/23 15:42
# @Author  : Aries
# @Site    : 
# @File    : yy.py
# @Software: PyCharm
import requests
import time
from lxml import html

headers = {
    'user-agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
    'x-devtools-emulate-network-conditions-client-id': "(6DC99B5E32009D9E60CDB0C3B620074)",
    'upgrade-insecure-requests': "1",
    'accept': "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
    'accept-language': "zh-CN,zh;q=0.9,en;q=0.8",
    'cookie': "udb_passdata=1; PHPSESSID=91siudst3ptb6egbjgh8j3rn42; SoundValue=0.50; guid=0e74abb6d4e5665a0c52c0e3c1e35727; __yasmid=0.2352245147818357; __yamid_tt1=0.2352245147818357; __yamid_new=C7D8A9F6CD3000013AA46C206EC0135D; _yasids=__rootsid%3DC7D8A9F6CDA00001226020701A00E5B0; Hm_lvt_51700b6c722f5bb4cf39906a596ea41f=1516692949; isInLiveRoom=; Hm_lpvt_51700b6c722f5bb4cf39906a596ea41f=1516696335",
    'cache-control': "no-cache",
    }

class huyaFcukYouSpider:
    urlStyle = "http://www.huya.com/g"
    '''
    解析出来全部分类网页内容
    '''
    def huyaRootHtml(self):
        print("开始分析虎牙分类======》》》")
        roothtml = requests.get(huyaFcukYouSpider.urlStyle,headers = headers)
        print("爬分类返回状态码======》》》"+str(roothtml.status_code))
        return roothtml.text

    '''
    解析出来分类html
    '''
    def itmStyle(self,roothtml):
        tree = html.fromstring(roothtml)
        hrefs = tree.xpath('//*[@id="js-game-list"]/li/a/@href')
        texts = tree.xpath('//*[@id="js-game-list"]/li/a/img/@title')
        styleObjects = []
        for (text, href) in zip(texts, hrefs):
            styleObject = {"text":text,'href':href}
            styleObjects.append(styleObject)
        print("分类已经获取成功，大哥开始对下面的频道吧")
        print("分类数量："+ str(len(styleObjects)))
        return styleObjects

    '''
    请求频道内的信息
    '''
    def itemContent(self, styleObjects):
        for item in styleObjects:
            print("开始分析  "+item["text"]+"  ======》》》")
            itemhtml = requests.get(item["href"], headers=headers)
            print("爬"+item["text"]+"返回状态码======》》》" + str(itemhtml.status_code))
            tree = html.fromstring(itemhtml.text)
            titles = tree.xpath('//*[@id="js-live-list"]/li/a[contains(@class,"title") and contains(@class,"new-clickstat")]/text()')
            nicknames = tree.xpath('//*[@id="js-live-list"]/li[@class="game-live-item"]/span/span[contains(@class,"avatar") and contains(@class,"fl")]/i/text()')
            numbers = tree.xpath('//*[@id="js-live-list"]/li[@class="game-live-item"]/span/span[@class="num"]/i[@class="js-num"]/text()')
            for (title, nickname,number) in zip(titles, nicknames,numbers):
                print("\t\t主播："+nickname+";正在频道名称为： "+title +"直播，观看人数："+str(number))
                #感觉慢就去掉
                time.sleep(1)
            # 感觉慢就去掉
            time.sleep(10)
            pass


    def go(self):
        rootHtml = self.huyaRootHtml()
        styleObjects = self.itmStyle(rootHtml)
        self.itemContent(styleObjects)


huya = huyaFcukYouSpider()
huya.go()

感觉慢就把time.sleep去掉