进入电影天堂首页,提取到主页面中的每一个电影的背后的那个urL地址 访问子页面,提取到电影的名称以及下载地址 from  tqdm import  tqdm
import  requests
import  re
from  selenium import  webdriver
from  selenium. webdriver. edge. options import  Optionsclass  MovieScraper : """MovieScraper类用于从网站抓取电影信息。属性----------edge_options : Options用于配置webdriver的selenium Options对象web_driver : webdriver用于与网站交互的selenium webdriverrequest_headers : dict包含请求头的字典方法-------get_response(url)向指定的URL发送GET请求并返回响应。get_movie_list_html(response)从响应中提取电影列表的HTML。get_sub_url_list(movie_list_html)从电影列表HTML中提取子URL。get_movie_info(child_response)从子URL的响应中提取电影信息。scrape(target_url)从指定的URL抓取电影信息并写入文件。""" def  __init__ ( self) : """初始化MovieScraper,配置webdriver和请求头。""" self. edge_options =  Options( ) self. edge_options. add_argument( "headless" ) self. web_driver =  webdriver. Edge( options= self. edge_options) self. request_headers =  { "User-Agent" :  "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36" } def  get_response ( self,  url) : """向指定的URL发送GET请求并返回响应。参数----------url : str要发送请求的URL。返回-------response : ResponseGET请求的响应。""" response =  requests. get( url,  headers= self. request_headers) response. encoding =  "gbk" return  responsedef  get_movie_list_html ( self,  response) : """从响应中提取电影列表的HTML。参数----------response : Response要提取HTML的响应。返回-------movie_list_html : str电影列表的HTML。""" movie_list_pattern =  re. compile ( r'2024必看热片.*?<ul>(?P<html>.*?)</ul>' ,  re. S) movie_list_result =  movie_list_pattern. search( response. text) return  movie_list_result. group( "html" ) def  get_sub_url_list ( self,  movie_list_html) : """从电影列表HTML中提取子URL。参数----------movie_list_html : str电影列表的HTML。返回-------sub_url_list : iterator子URL的迭代器。""" sub_url_pattern =  re. compile ( r"<li><a href='(?P<sub_url>.*?)'" ,  re. S) return  sub_url_pattern. finditer( movie_list_html) def  get_movie_info ( self,  child_response) : """从子URL的响应中提取电影信息。参数----------child_response : Response要提取电影信息的响应。返回-------movie_info_result : Match包含电影信息的匹配对象。""" movie_info_pattern =  re. compile ( r'◎片  名 (?P<movie>.*?)<br.*?<td style="WORD-WRAP: break-word" bgcolor="#fdfddf"><a href="(?P<download>.*?)"' ,  re. S) return  movie_info_pattern. search( child_response. text) def  scrape ( self,  target_url) : """从指定的URL抓取电影信息并写入文件。参数----------target_url : str要抓取电影信息的URL。""" self. web_driver. get( target_url) response =  self. get_response( target_url) movie_list_html =  self. get_movie_list_html( response) sub_url_list =  self. get_sub_url_list( movie_list_html) with  open ( "电影天堂.txt" ,  "w" ,  encoding= "utf-8" )  as  file : for  sub_url in  tqdm( sub_url_list,  desc= "处理URL中" ,  unit= "URL" ) : child_url =  target_url +  sub_url. group( "sub_url" ) child_response =  self. get_response( child_url) movie_info_result =  self. get_movie_info( child_response) download_link =  movie_info_result. group( "download" ) file . write( download_link +  "\n" ) self. web_driver. quit( ) print ( "爬取完毕" ) if  __name__ ==  "__main__" : scraper =  MovieScraper( ) scraper. scrape( "https://www.dy2018.com/" )