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AI网络爬虫-自动获取百度实时热搜榜

Dance with GenAI  · 公众号  ·  · 2024-05-26 07:46

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工作任务和目标:自动获取百度实时热搜榜的标题和热搜指数

标题:

东部战区台岛战巡演练模拟动画

4946724

第一步,在deepseek中输入如下提示词:

你是一个Python爬虫专家,完成以下网页爬取的Python脚本任务:

在F:\aivideo文件夹里面新建一个Excel文件:topbaidu.xlsx

设置chromedriver的路径为:"D:\Program Files\chromedriver125\chromedriver.exe"

用selenium打开网页:https://top.baidu.com/board?tab=realtime;

请求标头为:

Accept:

text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7

Accept-Encoding:

gzip, deflate, br, zstd

Accept-Language:

zh-CN,zh;q=0.9,en;q=0.8

Cache-Control:

max-age=0

Connection:

keep-alive

Host:

http:// top.baidu.com

Referer:

https:// top.baidu.com/board? platform=pc&tab=homepage&sa=pc_index_homepage_all

Sec-Ch-Ua:

"Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24"

Sec-Ch-Ua-Mobile:

?0

Sec-Ch-Ua-Platform:

"Windows"

Sec-Fetch-Dest:

document

Sec-Fetch-Mode:

navigate

Sec-Fetch-Site:

same-origin

Sec-Fetch-User:

?1

Upgrade-Insecure-Requests:

1

User-Agent:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

解析源代码,并打印输出;

定位class="c-single-text-ellipsis"的div标签,提取其文本内容作为热搜标题,保存到topbaidu.xlsx的第1列;

定位class="hot-index_1Bl1a"的div标签,提取其文本内容作为热搜指数,保存到topbaidu.xlsx的第2列;

注意:

每一步都要输出相关信息到屏幕;

每解析一个网页随机暂停1-10秒;

设置请求头,来应对反爬虫机制;

DataFrame.append 方法在 pandas 1.4.0 版本中已经被弃用,并且在后续版本中被移除。为了解决这个问题,我们可以使用 concat 函数来代替 append

第二步,查看审阅deepseek生成的Python代码:

import os

import time

import random

import pandas as pd

from selenium import webdriver

from selenium.webdriver.chrome.service import Service

from selenium.webdriver.common.by import By

from selenium.webdriver.chrome.options import Options

# 设置chromedriver的路径

chromedriver_path = "D:\\Program Files\\chromedriver125\\chromedriver.exe"

# 设置请求头

headers = {

'authority': 'top.baidu.com',

'method': 'GET',

'path': '/board?tab=realtime',

'scheme': 'https',

'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',

'accept-encoding': 'gzip, deflate, br, zstd',

'accept-language': 'zh-CN,zh;q=0.9,en;q=0.8',

'cache-control': 'max-age=0',

'cookie': '__root_domain_v=.baidu.com; _qddaz=QD.484716194472545; _ntes_origin_from=sogou; _ntes_nuid=af525edefbd3d363cd5876dbe902d85b; s_n_f_l_n3=01cb466d244b7db51716517702302; _antanalysis_s_id=1716517702995; UserProvince=%u5168%u56FD; ne_analysis_trace_id=1716518441938; vinfo_n_f_l_n3=01cb466d244b7db5.1.0.1716517702302.0.1716518672850',

'if-modified-since': 'Fri, 24 May 2024 02:40:05 GMT',

'priority': 'u=0, i',

'referer': ' https://www. sogou.com/link? url=hedJjaC291M4oaTBlXc5yCiioa5eDVgw ',

'sec-ch-ua': '"Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24"',

'sec-ch-ua-mobile': '?0',

'sec-ch-ua-platform': '"Windows"',

'sec-fetch-dest': 'document',

'sec-fetch-mode': 'navigate',

'sec-fetch-site': 'cross-site',

'sec-fetch-user': '?1',

'upgrade-insecure-requests': '1',

'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36'

}

# 设置Chrome选项

chrome_options = Options()

chrome_options.add_argument(f'user-agent={headers["user-agent"]}')

# 设置Chrome服务

service = Service(chromedriver_path)

# 启动Chrome浏览器

driver = webdriver.Chrome(service=service, options=chrome_options)

# 打开网页

url = ' https:// top.baidu.com/board? tab=realtime '

driver.get(url)

# 等待页面加载完成







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